LASIK surgery continues to be one of the most popular and effective methods of correcting vision problems caused by ...

Astigmatism of a diopter or more, however, tends to degrade image quality and is typically addressed. Checking ... Today’s IOLs can correct nearly all hyperopia, myopia, presbyopia.

A 32-year-old woman with moderate myopia and mild dry eye has worn soft contact lenses for 12 years but now is not tolerating them well. On examination, her refraction is –4.25 + 1.0 × 90 (–3 ...

That factor may also drive the difference in hyperopia, he added, with almost half as many Asian children having hyperopia. Astigmatism overlaps the 2 groups. The new study "shows, in a way, what ...

No difference was found in astigmatism between the students ... A multiple logistic model found that the risks of students developing myopia, hyperopia, and anisometropia were 1.88 (95% CI, 1. ...

For people with nearsightedness (myopia), farsightedness (hyperopia) or astigmatism, LASIK surgery could be the key to a life free of cumbersome spectacles or contact lenses. But not everybody is a ...