Vision techniques have become so sophisticated that you can sit in a chair, feel absolutely nothing, and walk out 30 minutes later with 20/20 vision. And, not only that, the knowledge imparted by an ...

How important is a name? We have been using several different terms for this particular aspect of lens-based refractive surgery. Replacing the crystalline lens to correct ametropia and/or presbyopia ...

Astigmatism is a common refractive error that can affect vision at any age. Understanding its symptoms and the tests required ...

Polycarbonate is the ideal lens material for corrective eyeglasses and sunglasses due to its light weight, impact resistance, durability and comfort. However, not all polycarbonate for eyewear ...