Is LASIK Safe For Those with High Power Numbers? For patients who cannot function without thick eyeglasses or high-power lenses, the idea of permanent vision correction can be a major confidence booster. One of the most common questions patients ask is, “Is LASIK safe for those with high power numbers?” https://www.diigo.com/item/note/b2kov/9pjy?k=32bd42e78fe017a29a89d06316ff07d6