Astigmatism occurs when the cornea—the transparent front surface of the eye—has an irregular shape, resembling a football rather than a perfectly round basketball. This uneven curvature causes light ...

ALAN CARR fears an eye condition will ruin his eyesight after having a “worrying” diagnostic test. The 48-year-old Chatty Man ...

ALAN Carr has revealed he had a terrifying ‘health scare’ resulting in his eyeballs needing draining, amid fears he is losing ...

These considerations may be especially relevant to patients with certain pre-existing ocular conditions (prior corneal refractive surgery, irregular corneal astigmatism, severe corneal dystrophy ...

These considerations may be especially relevant to patients with certain pre-existing ocular conditions (prior corneal refractive surgery, irregular corneal astigmatism, severe corneal dystrophy, ...

Thus, in cases where the surface contour is so irregular that meaningful topography cannot be obtained, a staged approach in which PTKsmoothing precedes customized excimer laser ablation is more ...