2. Try on glasses

3. Choose the frame according to your diopter and pupil distance.

4 custom-made

5 corrected glasses

6 glasses

Ophthalmology and rehabilitation medicine glasses should be considered to be clearer, more comfortable and lasting!

* the first day after birth: the eyes are often closed, and sometimes they are opened and closed. In the first few days, eye movements have no purpose. After a few days, people start to look at the lights. Strong light stimulation can cause eyes to close.

* 2 weeks after birth: turn your eyes inward when the light (such as flashlight) from half a meter away moves in your own direction.

* 3 weeks after birth: I can look at a large object and distinguish its color, and my eyes can follow the movement of the object in one direction.

* 2 months: both eyes can follow the adult's hand and make a long-term gaze.

* 3 months: not only can the eyes follow the moving object, but the head will also rotate with it.

* 4 months: I can lift my head and look at my hands often.

* 6 months: I can sit up, and when my head and eyes rotate with the object, my body can also rotate with it, and I can stare at colorful toys or other objects for half a minute.

* 9 months: I can look at a single line on the screen, and my vision is about .1.

* 12 months: most of them can fondle toys, can look at close objects, and can point out nose, eyes or hair according to mommy's instructions.

* 2-3 years old: visual acuity is about .5? .6, is close to the adult, but at this time it is easy to lose sight.

* 4-5 years old: the visual acuity is about 1., and various physiological eye reflexes have formed and become stable, so it is not easy to lose sight at this time.

* 6-7 years old: enter the visual state of adults.

* 8 years old: All kinds of eye reflexes are stable, and the development of vision is basically over.

if the above functions are not completed before the age of 8, they should be taken into account in the later glasses and be rehabilitated. In particular, children in junior high schools and senior high schools should not pay attention to the secondary and tertiary functions of vision. Children with strong functions are not easy to deteriorate their eyesight. If you don't have a detailed examination, your child's vision will deteriorate seriously and the degree will deepen quickly.

Myopia:

It is required to correct vision with the minimum diopter and wear appropriate glasses. (If the patient does not use accommodation, it is 5. to use -5.D to correct his vision, and it is 5. to use -4.5D to correct his vision during the audition. Generally, it is better to use-4,5d glasses. ) in order to avoid over-correction, (especially for patients who work at close range) will cause visual fatigue symptoms. When high myopia was first fitted with glasses, the patient could not accept all the corrected diopters. The diopter can be appropriately reduced to make it adapt for a period of time, and then increased.

hyperopia:

Generally, the highest number and the best vision are better. So as to minimize over-regulation and relieve the symptoms of asthenopia. If children have hyperopia with esotropia, they must wear all corrective glasses.

Astigmatism eyes:

Glasses are not required for mild asymptomatic eyes. If you have vision loss and visual fatigue, you should prepare appropriate glasses no matter how mild the symptoms are. When high astigmatism and axial deflection are unacceptable to patients, the diopter can be appropriately reduced. The general principle of astigmatism is to wear all corrective glasses. Astigmatism eyes must pay attention to the adjustment of axial position when trying lenses. Often the axial position difference of 5 will affect the corrected vision. But it can't be relieved, and the symptoms of visual fatigue.

anisometropia:

Generally, if the diopter difference between the two eyes is less than -4.D, glasses can be fitted according to the above principles. If it is over -4.D, patients without diplopia can accept glasses. If diplopia occurs, the higher diopter can be appropriately reduced and the lower diopter can be matched. If the anisometropia is large, such as aphakia after cataract surgery, contact lenses can be used to correct it. Children with anisometropia should be corrected as completely as possible. So as not to affect the normal development of visual function.

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Reference: Comprehensive Optometry for Chinese Glasses in Jining.