First, 18 years old and under 45 years old; Laser surgery for myopia is not suitable for everyone. First of all, it depends on whether the patient has the following conditions:
Second, there is no serious eye disease;
Third, the degree of myopia is relatively stable;
Fourth, after the myopia degree is matched, it is necessary to check the thickness of the cornea. For example, the patient is nearsighted 1000 degrees, but his cornea is too thin to meet the surgical conditions. Corneal thickness should not be less than 450 microns;
In addition, patients should rule out systemic connective tissue diseases and severe autoimmune diseases and stop using contact lenses for more than two weeks. The surgical safety, postoperative recovery effect and visual quality of laser treatment of myopia are inseparable from detailed preoperative examination.
1, do not wear hard contact lenses within 2 weeks before operation and do not wear soft contact lenses within 1 week before operation.
2, 3 days before surgery, according to the doctor's advice every day antibiotic eye drops (such as chloramphenicol eye drops or gentamicin syrup or telibito eye drops). Don't use other drugs for your own use without the doctor's permission.
3. Whether eye drops are used correctly after operation is very important for the recovery and stability of vision, which needs great attention. Practice correct eye drops 3 days before operation: wash your hands, take a supine position or a sitting position, then tilt your head back, open your eyes and gently fix the lower eyelid on the lower edge of the orbit with an index finger (please don't press the eyeball), and drop 1-2 eye drops vertically downward into the lower vault from an eye bottle about 3cm away from your eyes, then release the lower eyelid and close your eyes for 2 minutes.
Don't use any cosmetics and perfume for three days before the operation. If you have a cold or special discomfort before operation, you should inform the doctor so that the doctor can handle it as appropriate. Women in the menstrual period does not affect the operation.
5. In order to make the eyes recover well after operation, it is not advisable to press the operation when the work is busy. According to the specific situation of your work and life, you should agree with the doctor on the date of operation. Please make preoperative preparation and operation on time according to the scheduled operation time. If there are special reasons to change the operation time, you need to call in advance so that the operation hospital can make corresponding adjustments.