Þ  uncontrolled vascular disease or with autoimmune disease

Þ  are immune-compromised or on immunity-suppressing drugs or have a previous history of keloid formation

Þ  pregnancy, nursing, expecting to become pregnant within six months following the LASIK procedure or on hormone therapy for gynaecological dysfunction

Þ  have residual, recurrent, or active eye disease(s) or abnormality except for myopia [or hyperopia] in either eye

Þ  have any active or residual systemic disease(s) likely to affect wound healing capability

Þ  had herpes infection of the eye in the past

Þ  have unstable or uncontrolled diabetes

Þ  have progressive myopia or hyperopia [unstable spectacle power]

Þ  amblyopia (lazy eye); glaucoma; severe dry eye