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Abnormally thin cornea
Active collagen vascular disease (lupus/rheumatoid arthritis)
Active corneal or other eye disease (Endothelial basement membrane dystrophies/epithelial dystrophies resulting in recurrent corneal erosion/keratoconus.
Active or severe vessel disease
Advanced guttata
Amblyopia
Antihistamine use
Autoimmune disorders (rheumatoid arthritis/Sjögren’s syndrome/systemic lupus erythematosus/FMS)
BCVA less than 20/40
Blepharitis
Breast feeding
Cataract formation (signs of developing cataract/previous cataract surgery)
Contact lens intolerance
Cordarone or Accutane, Prednisone 5 mg or more use
Corneal scarring
Deep set eyes/high cheekbones/small or narrow eyes
Diabetes mellitus
Dry eye (low tear breakup time/inadequate tear volume)
Eye muscle imbalances
Eyelid ptosis
Fluctuating refractive error
Forme fruste keratoconus
Fuch’s dystrophy
Glaucoma
Herpes zoster of the eye
High correction and astigmatism (-12D/4D of astigmatism/+4D hyperopia)
History of corneal abrasion/recurrent erosion/epithelial dystrophy
Incomplete eyelid closure (often present with thyroid conditions)
Keloid formation/hypertrophic scarring
Keratoconus
Large pupils
Pregnancy
Psychological disease/disorder
Severe abnormal curvature of the cornea (more than 47K/less than 38-41K)
Recent pregnancy
Retinal abnormalities (vitreous detachment/floaters/retinal tear or break/map dot fingerprint dystrophy)
Uveitis
Unrealistic expectations
For more information about contraindications, please visit the FDA's Lasik information site at http://www.fda.gov/cdrh/LASIK/when.htm.
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