Posterior Vitreous Detachment

Posterior vitreous detachment (PVD) is a very common eye condition. It’s caused by natural changes to the vitreous gel which takes up the space inside the eye. Although PVD causes some frustrating symptoms it doesn’t cause pain, harm the eye or cause permanent...

A Guide to Eyeglass Lenses

An essential part of getting a pair of eyeglasses is deciding on the lenses. Eyeglass lenses can be made from plastic, glass, hard resin, or polycarbonate. Plastic, the most used material for lenses, is impact resistant and lightweight, but it is easily scratched....

Eye Anatomy: How Do Our Eyes Work?

Eye Anatomy: How Do Our Eyes Work? When we are born our eyes are only 1.6 to 1.7 centimeters in diameter. Over the first three years of life, the eyes grow rapidly, reaching their full size (just shy of one inch, or 2.4 cm) by the age of 13. The visible part of the...