What is the worst vision that they will perform lasik surgery on?

Eye parameters: The level of vision is not the criteria used for lasik evaluation. It is a combination of the refractive error (numbers like -6.00 on your eyeglass prescription) and the thickness of the front of the eye. Other factors include general health, age and history of eye disease. Check with your ophthalmologists for suitability or with the lasik surgeon you have chosen.

LASIK: Lasik eye surgery is typically performed between the levels of +5.00 and -10.00 d prescriptions as long as everything else is normal.