What are the items of pre-operative examination for laser myopia surgery? Experts explain the preoperative examination items: 1, computerized optometry; 2, intraocular pressure measurement; 3, corneal geomorphometry and wavefront aberration; contrast sensitivity 4, primary optometry; 5, dilated pupil optometry; 6, triple-lens fundus check; 7, anterior segment examination; corneal endothelial count; pupil distance; pupil diameter 8, corneal thickness measurement; 9, ocular A ultrasound; 10, self-lens detection. It takes about 1-2 hours in total, and after completion, we will evaluate whether surgery is possible. Generally, surgery cannot be done on the day of examination. After 2-3 days of anti-inflammatory eye drops, surgery will be performed.