Preoperative examination items for myopic surgery

Preoperative examination items include refractive examination, corneal examination, intraocular pressure examination and fundus examination.

1. Refractive examination is

carried out by computer to judge the degree of myopia and the presence or absence of astigmatism.

2. Corneal examination

mainly checks the thickness of cornea, whether there is infection, degeneration and keratoconus in the membrane.

3. Intraocular pressure examination

can understand the intraocular pressure of patients and whether there are glaucoma and other diseases.

4. Fundus examination

mainly checks whether there are lens opacity, vitreous opacity, retinal degeneration, retinal hole and other fundus diseases.