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Ophthalmic examination before wearing contact lenses
Green wind cataract GN: an eye disease (acute angle-closure glaucoma), characterized by swelling and pain in the head and eyes, hard eyes, dilated pupils, light green pupils and sharp decline in vision.

Qingfeng Cataract GN: refers to cataract eye disease (primary open-angle glaucoma) with no obvious discomfort, or mild eye swelling, blurred vision and narrow vision, and finally blindness.

Cloud shift: refers to an eye disease with good appearance, conscious of mosquitoes, flies, spider silk or floating objects in the cloud and fog, and vitreous opacity.

Keratoxerosis: dry eye refers to various diseases caused by abnormal tear quality or dynamics for any reason, which leads to the decline of lacrimal gland stability, accompanied by eye discomfort and ocular surface lesions.

Hyperacute bacterial conjunctivitis: an acute progressive course caused by Neisseria, accompanied by a large number of purulent secretions and blood-borne sexually transmitted infections. Adult gonococcal infection: genital, eye and baby birth canal infection.

Purulent ophthalmia: When a newborn is born, it is infected with gonococcus vaginitis through the mother's birth canal, and both eyes are affected at the same time, with photophobia, tears and high edema, which may form a false membrane. Secretion changes from serous to purulent and flows out of eyelid column.

Neuroparalytic keratitis: When the trigeminal nerve is injured by trauma, surgery, inflammation, tumor, etc., the corneal sensitivity and nutritional disorder without innervation decrease, and the defense ability against external harmful factors decreases, so the corneal epithelium is dry and vulnerable to mechanical injury.

Bombyx mori keratitis: a spontaneous, chronic, marginal, progressive and painful corneal ulcer, which mostly occurs in adults.

Bullous keratopathy: A variety of reasons seriously damage corneal endothelial cells, leading to endothelial cells decompensation, making them lose the function of liquid barrier and active liquid pump, causing persistent edema of corneal stroma and subepithelial.

Keratoconus: Congenital dysplasia characterized by thinning of corneal stroma in localized keratoconus and prominent areas.

Macrocornea: a congenital developmental abnormality, the diameter of the cornea is larger than normal, but the intraocular pressure, fundus and visual function are within the normal range. The transverse cornea is 13MM and the longitudinal cornea is 12MM.

Cornea: A congenital developmental abnormality with a diameter smaller than normal and other eye abnormalities. Corneal diameter is less than 65438 00 mm. ..

Cataract: lens opacity caused by various reasons affects visual function. Vision is less than 0.7. The main symptom is visual impairment, which is related to the degree and position of lens opacity. Only cataract can cause visual impairment, which has clinical significance.

Complex cataract: refers to the lens opacity caused by intraocular diseases, which is common in uveitis, retinitis pigmentosa, retinal detachment, glaucoma, intraocular tumors, high myopia, low intraocular pressure and so on.

Morgagnian cataract: in the over-mature stage of cortical cataract, the lens fibers decompose and liquefy, and the milky white and brownish yellow lens nuclei sink below the capsular belt, which can move with the change of the title and further deepen the anterior chamber.

After cataract: posterior capsule opacification after extracapsular extraction or partial cortical absorption of traumatic cataract.

Preoperative examination of cataract surgery: 1, whole body: blood pressure, blood sugar, electrocardiogram, chest radiograph, liver function, etc. 2, eyes: visual function examination, corneal slit lamp examination, except iriditis, lens opacity after mydriasis, intraocular pressure, measurement of corneal curvature and axial length, corneal endoscopy.

Vision correction after cataract surgery: implantation of intraocular lens glasses and contact lenses.

Pupil atresia: when anterior uveitis is inflamed, the pupil shrinks and partially adheres due to ciliary muscle spasm and continuous contraction of pupil sphincter. When it persists for 360 degrees, it is called pupillary atresia. If the fiber covers the whole pupil area, it is called pupillary atresia.

Glaucoma: A group of pathological ocular hypertension syndrome characterized by optic nerve inhibition and visual field defect.

Cotton wool spots: gray-white cotton-like or villous spots in the retina, with different shapes and unclear boundaries, are formed by tiny embolism of nerve fiber layer and obstruction of axon transport after anterior capillary occlusion.

Sympathetic ophthalmia: Bilateral granulomatous uveitis after penetrating injury or intraocular surgery. The injured eye is an induced eye, and the other eye is a sympathetic eye.

Cataract surgery methods: capsular cataract extraction, extracapsular cataract extraction and phacoemulsification.

Accommodation: In order to see the distant object clearly, it is necessary to increase the curvature of the lens, so as to enhance the refraction of the eye and make the near object form a clear image on the retina. This is called accommodation. Mechanism: In the distance, the ciliary muscle relaxes, the suspensory ligament of the lens maintains a certain tension, and the shape of the lens is relatively flat. At close range, the annular ciliary muscle contracts, the suspensory ligament of the contracted lens formed by the agile crown relaxes, and the lens becomes convex.

Myopia: In a relaxed state, parallel beams pass through the refractive system of the eyeball and then focus on the retina. Clinically, there are pathological myopia manifestations such as decreased vision, decreased far vision, normal near vision, visual fatigue, exotropia, arc fundus myopia, leopard fundus, macular hemorrhage or retinal detachment.

Astigmatism: the refractive power of the eyeball is different at different meridians, forming two focal lines and the smallest diffuse spot.

Presbyopia: With the increase of age, the lens gradually hardens, the elasticity decreases, and the function of ciliary muscle gradually decreases, which leads to the gradual decline of the adjustment function of the eye.

Amblyopia: In the development of the world, due to various reasons, the effective stimulation of visual cells is insufficient, resulting in corrected vision lower than that of normal children. Treatment: 1. Early detection of amblyopia and strabismus, 2. Treatment of ametropia, 3. Overwrite processing, 4. Operation, 5. Follow up.

Vision: visual acuity, which mainly reflects the visual function of macula, and the resolution of eyes to the shape and position of two-dimensional objects, that is, to the details of a small space.

Visual pathway: the transmission pathway of visual information from retinal photoreceptor to occipital visual center, optic nerve, optic chiasma, optic tract, lateral geniculate body, visual radiation and occipital visual center.

Field of vision: the spatial range seen when the eyes look forward, reflecting the peripheral vision. The range within 30 degrees from the fixation point is the central visual field, and the outer side is the peripheral visual field.

Angle recession: because the annular fiber of ciliary muscle is separated from the longitudinal fiber, the iris root moves backward and the anterior chamber angle widens and deepens, which is called angle recession. A few months and years after injury, secondary glaucoma occurs due to the obstruction of waterproof discharge, which is called angle recession glaucoma.

Dark adaptation: when the eyes enter the darkness from strong light, they can't see anything at first, and then they can gradually see the objects in the darkness. This process of increasing sensitivity to light and reaching the best state.

Hyperopia: When accommodation is relaxed, parallel light … is behind the retina. No symptoms under 6 years old, visual symptoms at 20 years old, eye pain and headache after close reading at 40 years old, correct convex lens.

Tindal: There are various reasons in the room water. When a beam of light enters, there will be a white column phenomenon.

Relative afferent pupil disorder PAPD, MarcusGunn Pupils: When the flashlight irradiates the non-affected eye, both pupils are narrowed, while when the affected eye is irradiated, both pupils are not narrowed, with an interval of 1 s, and the non-affected side is narrowed and the affected side is enlarged, which can be diagnosed as monocular macular disease or optic neuritis.

Bbehcet disease is a multi-system disease characterized by uveitis, oral ulcer, skin damage and genital ulcer.

Tingdahl phenomenon: When there is something in the room water, it is modulated into a spot beam with a slit lamp, which is reflected into the milky white light column in front.

Aqueous humor flicker: The blood-aqueous humor barrier function is damaged, and protein enters the aqueous humor, which makes the aqueous humor turbid, so that when the aqueous humor is observed under the slit lamp microscope, the fluorescence is enhanced and becomes white and turbid. Form the Tindal phenomenon.

High intraocular pressure: refers to the fact that some people's intraocular pressure exceeds the statistically normal upper limit, but long-term follow-up has not caused optic nerve and visual field damage.

Dry eye: conjunctival dry eye refers to a series of diseases caused by various reasons, which are characterized by abnormal tear quality and dynamics, leading to pleural instability and ocular surface lesions, accompanied by dry eyes, foreign body sensation and other uncomfortable symptoms.

Scleral staphyloma: Scleral thinning under intraocular pressure.

Tear film: a layer of liquid covering the surface of eyeball, which is divided into two layers: anterior tear film of eyeball and anterior tear film of cornea. Used to lubricate the eyeball surface, prevent corneal dryness, and resist foreign bodies and microbial nutrition by washing. It is divided into lipid layer, water sample layer and mucin layer.

Pedicle: Common bacterial infection of eyelid gland, infection of eyelash follicle or sebaceous gland attached to it or abnormal sweat gland infection are all called external pedicle, and meibomian gland infection is called internal pedicle.

Corneal staphyloma: under the action of high intraocular pressure, the corneal scar mixed with iris tissue bulges outward to form a purple protrusion.

Ciliary congestion: refers to the congestion of superficial scleral blood vessels around corneal limbus, which is a common sign of acute uveitis.

Sympathetic ophthalmia refers to bilateral granulomatous uveitis after penetrating injury of one eye or after intraocular surgery. The injured eye is called induced eye, and the other eye is called sympathetic eye.

Corneal scleral margin: it is the transition area between cornea and sclera, where the anterior chamber angle and aqueous humor drainage system are located, and it is also the sign of internal flame surgery incision in clinic, and the location of corneal stem cells in tissue.

Corneal bloodstaining: when hyphema occurs, corneal endothelium is damaged, intraocular pressure is high, and there is much bleeding, which will cause corneal bloodstaining, even brownish yellow, with disc-shaped turbidity in the center, and then gradually turn white and yellow, which will not fade for a long time.

Eyelid adenitis: It is the most common bacterial infection of eyelid gland, which mainly includes acute inflammatory manifestations such as redness, swelling, heat and pain. External meibomitis, eyelash hair surgery or its attached sebaceous glands or abnormal sweat glands are called external meibomitis, while internal meibomitis is meibomian gland infection, which is called internal meibomitis.

Blepharitis: refers to subacute chronic inflammation on the surface of eyelid margin, eyelash hair follicle and its glandular tissue, which is mainly divided into squamous, ulcerative and albino inflammation.

Meibomian gland cyst: refers to the idiopathic aseptic chronic granulomatous inflammation caused by the retention of simplified secretions at the outlet of meibomian gland and chronic stimulation to surrounding tissues.

Entropion: refers to the abnormal position of eyelid, especially the edge of eyelid curling towards eyeball.

Eyelid ectropion: refers to the eyelid margin turning outwards and leaving the eyeball, and the eyelid conjunctiva is often exposed to varying degrees, often accompanied by eyelid cleft closure.

KP: Follow-up observation showed that when aqueous humor was insoluble, water circulated on the surface of corneal endothelial cells.

Orbital cellulitis: acute infection of orbital soft tissue after orbital septum, and exophthalmos in children is the most common cause.

Uveitis: It is the general name of intraocular inflammation, which is caused by many reasons, such as uveitis, retina, retinal blood vessels and vitreous body. Uveitis often occurs in teenagers, often complicated with systemic autoimmune diseases, and the condition is repeated, leading to serious complications.

Glaucoma: Glaucoma is a group of diseases characterized by nerve atrophy and visual field defect and elevated intraocular pressure.

Anterior chamber empyema: refers to a large number of inflammatory cells in aqueous humor deposited in the inferior chamber angle, and the liquid level can be seen. Q anisometropia refers to anisometropia with different refractive degrees or refractive properties.

RAPD: when one eye suffers from afferent pupil disorder, the healthy eye is irradiated with a flashlight, and both pupils are narrowed, and then the affected eye is irradiated, but neither pupil is narrowed, and every second, the healthy eye is narrowed and the affected eye is enlarged. This sign is helpful to diagnose monocular macular disease or optic neuritis.

Blepharoptosis: refers to the dysfunction or loss of levator palpebrae superioris and micller smooth muscle, which leads to partial or total ptosis of the upper eyelid.

Schlemm's tube is an aqueous outlet tube around the anterior chamber angle, which is composed of several small chambers that are anastomosed with each other. The inner wall is separated by a layer of endothelial cells and trabecular meshwork, and the outer wall has 23.35 collection tubes communicating with the internal scleral vein (aqueous humor vein).

Binocular monocular vision: the target that both eyes gaze at at the same time is imaged in the fovea of macula, and the function of a single clear image is realized through brain fusion.

Trachoma: It is a chronic infectious conjunctival keratitis caused by Chlamydia trachomatis, which forms a rough and uneven appearance on the surface of eyelid conjunctiva and looks like sand, which can lead to blindness.

Granuloma: refers to the idiopathic aseptic chronic granulomatous inflammation caused by the blockage of the outlet of meibomian gland and the retention of gland secretions in meibomian, which causes chronic irritation to surrounding tissues.

Nystagmus is a rhythmic involuntary eye movement, which can be divided into horizontal type, vertical type, oblique type, rotating type and mixed type according to its tremor direction. Horizontal style is more common.

Ocular surface disease: refers to the disease of corneal conjunctival epithelium. Changes in various factors that maintain ocular surface health will cause pathological ocular surface dysfunction on corneal conjunctival surface or tear film.

Strabismus: refers to the deviation caused by the disharmony of the eyes under abnormal circumstances, which is called strabismus, A-type or V-type strabismus; Refers to the strabismus in which the horizontal equal deviation degree is related to the vertical direction when the horizontal deviation angle of upward gaze is different from that of downward gaze.

Inflammatory pseudotumor: it is a chronic nonspecific inflammatory change of orbital tissue.

Ocular surface reconstruction: refers to the surface reconstruction of polygonal conjunctiva.

Green wind cataract GN: an eye disease (acute angle-closure glaucoma), characterized by swelling and pain in the head and eyes, hard eyes, dilated pupils, light green pupils and sharp decline in vision.

Qingfeng Cataract GN: refers to cataract eye disease (primary open-angle glaucoma) with no obvious discomfort, or mild eye swelling, blurred vision and narrow vision, and finally blindness.

Cloud shift: refers to an eye disease with good appearance, conscious of mosquitoes, flies, spider silk or floating objects in the cloud and fog, and vitreous opacity.

Keratoxerosis: dry eye refers to various diseases caused by abnormal tear quality or dynamics for any reason, which leads to the decline of lacrimal gland stability, accompanied by eye discomfort and ocular surface lesions.

Hyperacute bacterial conjunctivitis: an acute progressive course caused by Neisseria, accompanied by a large number of purulent secretions and blood-borne sexually transmitted infections. Adult gonococcal infection: genital, eye and baby birth canal infection.

Purulent ophthalmia: When a newborn is born, it is infected with gonococcus vaginitis through the mother's birth canal, and both eyes are affected at the same time, with photophobia, tears and high edema, which may form a false membrane. Secretion changes from serous to purulent and flows out of eyelid column.

Neuroparalytic keratitis: When the trigeminal nerve is injured by trauma, surgery, inflammation, tumor, etc., the corneal sensitivity and nutritional disorder without innervation decrease, and the defense ability against external harmful factors decreases, so the corneal epithelium is dry and vulnerable to mechanical injury.

Bombyx mori keratitis: a spontaneous, chronic, marginal, progressive and painful corneal ulcer, which mostly occurs in adults.

Bullous keratopathy: A variety of reasons seriously damage corneal endothelial cells, leading to endothelial cells decompensation, making them lose the function of liquid barrier and active liquid pump, causing persistent edema of corneal stroma and subepithelial.

Keratoconus: Congenital dysplasia characterized by thinning of corneal stroma in localized keratoconus and prominent areas.

Macrocornea: a congenital developmental abnormality, the diameter of the cornea is larger than normal, but the intraocular pressure, fundus and visual function are within the normal range. The transverse cornea is 13MM and the longitudinal cornea is 12MM.

Cornea: A congenital developmental abnormality with a diameter smaller than normal and other eye abnormalities. Corneal diameter is less than 65438 00 mm. ..

Cataract: lens opacity caused by various reasons affects visual function. Vision is less than 0.7. The main symptom is visual impairment, which is related to the degree and position of lens opacity. Only cataract can cause visual impairment, which has clinical significance.

Complex cataract: refers to the lens opacity caused by intraocular diseases, which is common in uveitis, retinitis pigmentosa, retinal detachment, glaucoma, intraocular tumors, high myopia, low intraocular pressure and so on.

Morgagnian cataract: in the over-mature stage of cortical cataract, the lens fibers decompose and liquefy, and the milky white and brownish yellow lens nuclei sink below the capsular belt, which can move with the change of the title and further deepen the anterior chamber.

After cataract: posterior capsule opacification after extracapsular extraction or partial cortical absorption of traumatic cataract.

Preoperative examination of cataract surgery: 1, whole body: blood pressure, blood sugar, electrocardiogram, chest radiograph, liver function, etc. 2, eyes: visual function examination, corneal slit lamp examination, except iriditis, lens opacity after mydriasis, intraocular pressure, measurement of corneal curvature and axial length, corneal endoscopy.

Vision correction after cataract surgery: implantation of intraocular lens glasses and contact lenses.

Pupil atresia: when anterior uveitis is inflamed, the pupil shrinks and partially adheres due to ciliary muscle spasm and continuous contraction of pupil sphincter. When it persists for 360 degrees, it is called pupillary atresia. If the fiber covers the whole pupil area, it is called pupillary atresia.

Glaucoma: A group of pathological ocular hypertension syndrome characterized by optic nerve inhibition and visual field defect.

Cotton wool spots: gray-white cotton-like or villous spots in the retina, with different shapes and unclear boundaries, are formed by tiny embolism of nerve fiber layer and obstruction of axon transport after anterior capillary occlusion.

Sympathetic ophthalmia: Bilateral granulomatous uveitis after penetrating injury or intraocular surgery. The injured eye is an induced eye, and the other eye is a sympathetic eye.

Cataract surgery methods: capsular cataract extraction, extracapsular cataract extraction and phacoemulsification.

Accommodation: In order to see the distant object clearly, it is necessary to increase the curvature of the lens, so as to enhance the refraction of the eye and make the near object form a clear image on the retina. This is called accommodation. Mechanism: In the distance, the ciliary muscle relaxes, the suspensory ligament of the lens maintains a certain tension, and the shape of the lens is relatively flat. At close range, the annular ciliary muscle contracts, the suspensory ligament of the contracted lens formed by the agile crown relaxes, and the lens becomes convex.

Myopia: In a relaxed state, parallel beams pass through the refractive system of the eyeball and then focus on the retina. Clinically, there are pathological myopia manifestations such as decreased vision, decreased far vision, normal near vision, visual fatigue, exotropia, arc fundus myopia, leopard fundus, macular hemorrhage or retinal detachment.

Astigmatism: the refractive power of the eyeball is different at different meridians, forming two focal lines and the smallest diffuse spot.

Presbyopia: With the increase of age, the lens gradually hardens, the elasticity decreases, and the function of ciliary muscle gradually decreases, which leads to the gradual decline of the adjustment function of the eye.

Amblyopia: In the development of the world, due to various reasons, the effective stimulation of visual cells is insufficient, resulting in corrected vision lower than that of normal children. Treatment: 1. Early detection of amblyopia and strabismus, 2. Treatment of ametropia, 3. Overwrite processing, 4. Operation, 5. Follow up.

Vision: visual acuity, which mainly reflects the visual function of macula, and the resolution of eyes to the shape and position of two-dimensional objects, that is, to the details of a small space.

Visual pathway: the transmission pathway of visual information from retinal photoreceptor to occipital visual center, optic nerve, optic chiasma, optic tract, lateral geniculate body, visual radiation and occipital visual center.

Field of vision: the spatial range seen when the eyes look forward, reflecting the peripheral vision. The range within 30 degrees from the fixation point is the central visual field, and the outer side is the peripheral visual field.

Angle recession: because the annular fiber of ciliary muscle is separated from the longitudinal fiber, the iris root moves backward and the anterior chamber angle widens and deepens, which is called angle recession. A few months and years after injury, secondary glaucoma occurs due to the obstruction of waterproof discharge, which is called angle recession glaucoma.

Dark adaptation: when the eyes enter the darkness from strong light, they can't see anything at first, and then they can gradually see the objects in the darkness. This process of increasing sensitivity to light and reaching the best state.

Hyperopia: When accommodation is relaxed, parallel light … is behind the retina. No symptoms under 6 years old, visual symptoms at 20 years old, eye pain and headache after close reading at 40 years old, correct convex lens.

Tindal: There are various reasons in the room water. When a beam of light enters, there will be a white column phenomenon.

Relative afferent pupil disorder PAPD, MarcusGunn Pupils: When the flashlight irradiates the non-affected eye, both pupils are narrowed, while when the affected eye is irradiated, both pupils are not narrowed, with an interval of 1 s, and the non-affected side is narrowed and the affected side is enlarged, which can be diagnosed as monocular macular disease or optic neuritis.

Bbehcet disease is a multi-system disease characterized by uveitis, oral ulcer, skin damage and genital ulcer.

Tingdahl phenomenon: When there is something in the room water, it is modulated into a spot beam with a slit lamp, which is reflected into the milky white light column in front.

Aqueous humor flicker: The blood-aqueous humor barrier function is damaged, and protein enters the aqueous humor, which makes the aqueous humor turbid, so that when the aqueous humor is observed under the slit lamp microscope, the fluorescence is enhanced and becomes white and turbid. Form the Tindal phenomenon.

High intraocular pressure: refers to the fact that some people's intraocular pressure exceeds the statistically normal upper limit, but long-term follow-up has not caused optic nerve and visual field damage.

Dry eye: conjunctival dry eye refers to a series of diseases caused by various reasons, which are characterized by abnormal tear quality and dynamics, leading to pleural instability and ocular surface lesions, accompanied by dry eyes, foreign body sensation and other uncomfortable symptoms.

Scleral staphyloma: Scleral thinning under intraocular pressure.

Tear film: a layer of liquid covering the surface of eyeball, which is divided into two layers: anterior tear film of eyeball and anterior tear film of cornea. Used to lubricate the eyeball surface, prevent corneal dryness, and resist foreign bodies and microbial nutrition by washing. It is divided into lipid layer, water sample layer and mucin layer.

Pedicle: Common bacterial infection of eyelid gland, infection of eyelash follicle or sebaceous gland attached to it or abnormal sweat gland infection are all called external pedicle, and meibomian gland infection is called internal pedicle.

Corneal staphyloma: under the action of high intraocular pressure, the corneal scar mixed with iris tissue bulges outward to form a purple protrusion.

Ciliary congestion: refers to the congestion of superficial scleral blood vessels around corneal limbus, which is a common sign of acute uveitis.

Sympathetic ophthalmia refers to bilateral granulomatous uveitis after penetrating injury of one eye or after intraocular surgery. The injured eye is called induced eye, and the other eye is called sympathetic eye.

Corneal scleral margin: it is the transition area between cornea and sclera, where the anterior chamber angle and aqueous humor drainage system are located, and it is also the sign of internal flame surgery incision in clinic, and the location of corneal stem cells in tissue.

Corneal bloodstaining: when hyphema occurs, corneal endothelium is damaged, intraocular pressure is high, and there is much bleeding, which will cause corneal bloodstaining, even brownish yellow, with disc-shaped turbidity in the center, and then gradually turn white and yellow, which will not fade for a long time.

Eyelid adenitis: It is the most common bacterial infection of eyelid gland, which mainly includes acute inflammatory manifestations such as redness, swelling, heat and pain. External meibomitis, eyelash hair surgery or its attached sebaceous glands or abnormal sweat glands are called external meibomitis, while internal meibomitis is meibomian gland infection, which is called internal meibomitis.

Blepharitis: refers to subacute chronic inflammation on the surface of eyelid margin, eyelash hair follicle and its glandular tissue, which is mainly divided into squamous, ulcerative and albino inflammation.

Meibomian gland cyst: refers to the idiopathic aseptic chronic granulomatous inflammation caused by the retention of simplified secretions at the outlet of meibomian gland and chronic stimulation to surrounding tissues.

Entropion: refers to the abnormal position of eyelid, especially the edge of eyelid curling towards eyeball.

Eyelid ectropion: refers to the eyelid margin turning outwards and leaving the eyeball, and the eyelid conjunctiva is often exposed to varying degrees, often accompanied by eyelid cleft closure.

KP: Follow-up observation showed that when aqueous humor was insoluble, water circulated on the surface of corneal endothelial cells.

Orbital cellulitis: acute infection of orbital soft tissue after orbital septum, and exophthalmos in children is the most common cause.

Uveitis: It is the general name of intraocular inflammation, which is caused by many reasons, such as uveitis, retina, retinal blood vessels and vitreous body. Uveitis often occurs in teenagers, often complicated with systemic autoimmune diseases, and the condition is repeated, leading to serious complications.

Glaucoma: Glaucoma is a group of diseases characterized by nerve atrophy and visual field defect and elevated intraocular pressure.

Anterior chamber empyema: refers to a large number of inflammatory cells in aqueous humor deposited in the inferior chamber angle, and the liquid level can be seen. Q anisometropia refers to anisometropia with different refractive degrees or refractive properties.

RAPD: when one eye suffers from afferent pupil disorder, the healthy eye is irradiated with a flashlight, and both pupils are narrowed, and then the affected eye is irradiated, but neither pupil is narrowed, and every second, the healthy eye is narrowed and the affected eye is enlarged. This sign is helpful to diagnose monocular macular disease or optic neuritis.

Blepharoptosis: refers to the dysfunction or loss of levator palpebrae superioris and micller smooth muscle, which leads to partial or total ptosis of the upper eyelid.

Schlemm's tube is an aqueous outlet tube around the anterior chamber angle, which is composed of several small chambers that are anastomosed with each other. The inner wall is separated by a layer of endothelial cells and trabecular meshwork, and the outer wall has 23.35 collection tubes communicating with the internal scleral vein (aqueous humor vein).

Binocular monocular vision: the target that both eyes gaze at at the same time is imaged in the fovea of macula, and the function of a single clear image is realized through brain fusion.

Trachoma: It is a chronic infectious conjunctival keratitis caused by Chlamydia trachomatis, which forms a rough and uneven appearance on the surface of eyelid conjunctiva and looks like sand, which can lead to blindness.

Granuloma: refers to the idiopathic aseptic chronic granulomatous inflammation caused by the blockage of the outlet of meibomian gland and the retention of gland secretions in meibomian, which causes chronic irritation to surrounding tissues.

Nystagmus is a rhythmic involuntary eye movement, which can be divided into horizontal type, vertical type, oblique type, rotating type and mixed type according to its tremor direction. Horizontal style is more common.

Ocular surface disease: refers to the disease of corneal conjunctival epithelium. Changes in various factors that maintain ocular surface health will cause pathological ocular surface dysfunction on corneal conjunctival surface or tear film.

Strabismus: refers to the deviation caused by the disharmony of the eyes under abnormal circumstances, which is called strabismus, A-type or V-type strabismus; Refers to the strabismus in which the horizontal equal deviation degree is related to the vertical direction when the horizontal deviation angle of upward gaze is different from that of downward gaze.

Inflammatory pseudotumor: it is a chronic nonspecific inflammatory change of orbital tissue.

Ocular surface reconstruction: refers to the surface reconstruction of polygonal conjunctiva.