Myopia is a refractive error (blurred vision at a given distance) that affects about 30% of the world's population. This proportion is increasing so quickly that it ...

It's a very subtle difference, but it's important from a visual perspective," says Manhattan ... Astigmatism is one of four kinds of, what are called, refractive errors, in which the shape of ...

Residual refractive errors, delayed recovery ... facing a patient that is undergoing to cataract surgery. More accurate visual results are found when compared with manual limbal relaxing incisions.