VISION.ZIP

What is an Optician?   (created at Nov 18, 2009)   767   An optician is a person trained to help you with eyeglasses and contact lenses.But they don't decide if you need glasses or not.Instead,they work on making sure your glasses or lenses are just right for you.Opticians learn how to shape and grind glass and ...

Understanding Cataracts   (created at Nov 18, 2009)   554   A cataract is like a cloudy lens in your eye.Imagine if the lens of your camera got smudged or scratched - your pictures wouldn't be clear,right? Well,the lens in your eye works the same way.It focuses what you see onto a special part at the back of your e...

Can cataract surgery be done with laser?   (created at Nov 18, 2009)   456   Many people wonder if lasers are commonly used for cataract removal.Contrary to popular belief,cataracts are typically removed with ultrasound waves,not laser light.However,some individuals develop a condition after cataract surgery where scar tissue forms...

The history of the excimer laser   (created at Aug 27, 2009)   937   The excimer laser, born out of the innovative labs of IBM in 1976, initially served as a tool for etching computer microchips. However, its exceptional precision and minimal collateral damage soon caught the attention of pioneers seeking new applications. ...