4 Major Criteria Center On Cornea Of Good LASIK Candidate

1. Needs To Have Sufficient Corneal Thickness

The surgeon of LASIK needs to create a corneal flap and usually prefer to leave 250 microns of cornea untouched. If the cornea is too thin, the surgeon may not be able to safely create the flap.

4 Major Criteria Center On Cornea Of Good LASIK Candidate

2. Pupils Is Not Larger Than 7mm In Dark

The standard optical zone for LASIK surgery is 6.0 - 6.5 millimeters. Pupils larger than 7mm in the dark will due to increased risk of vision glare and halos at night and decreased night vision. Large pupils may require your LASIK surgeon to make adjustments, but will not usually preclude you from successfully undergoing LASIK.

3. The Evidence Of Keratoconus Are Not Candidates

Keratoconus is the most frequently encountered deformation of the cornea. The most likely causes of Keratoconus are inherited abnormality, eye injury and eye disease. Keratoconus is a disease characterized by a pathological thinning of the cornea. Keratoconus is an absolute contraindication for having LASIK and really any type of refractive laser eye surgery.

4. Corneas Can Not Be Scarred, Abnormal

Corneal scarring can disqualify you from undergoing LASIK surgery. There are many possible explanations for scarred or abnormal corneas such as disease, trauma, aging or past eye surgery. A good LASIK candidate has a smooth, clear cornea. Scarring can be caused by keratitis (inflammation of the cornea) when it involves the cornea's deeper levels.