ICL implantation offers patients with high myopia and thin corneas the opportunity to permanently remove their glasses. Many nearsighted people are eager to do this surgery, so today we’ll tell you what you need to do to prepare for ICL implantation before surgery. 1, two weeks in advance to remove contact lenses: ICL implantation surgery, at least two weeks in advance to remove contact lenses. As you know, the reason why keratoplasty lenses can correct myopia by changing the curvature of the cornea is because the cornea is very soft and malleable. Soft contact lenses also have a certain impact on the cornea. In order to measure more accurately before surgery and be able to choose a suitable ICL, so remove your contact lenses before surgery and keep them for at least two weeks to allow the cornea to recover fully before biological measurement. 2, three days before surgery point antibiotic eye drops: ICL implantation surgery is an internal eye surgery, there is a risk of incision infection. To prevent infection, antibiotic eye drops should be used 3 days before surgery. 3. Pre-operative examination and custom-made crystal: Before surgery, various examinations should be done, including general examination and eye examination. The most important thing is to measure the depth of the anterior chamber, as well as some routine examinations. If all the examinations are qualified, the ICL model will be customized. It is usually necessary to wait for 2~3 days for crystals without astigmatism and about 20 days for astigmatic crystals. If the examination reveals that the anterior chamber is shallow, with a depth of 2.8 mm or less, you cannot do this surgery because the ICL cannot be put in.