Conjunctiva

Conjunctiva A flimsy transparent membrane covering the outer part of the eye and the inner layer of the eyelids. In addition to protecting the eye, it secrets mucous to lubricate the eye and reduce friction between the eyelids and...

Photopsia

Photopsia A term meaning light flashes or the sensation of flickering of lights. It is a visual phenomena that is usually benign, but could be an early indication of a retinal tear or detachment. It is caused by shrinkage that occurs with the vitreous gel in the back...

Transitional Lenses

Transitional Lenses Lenses that turn dark outdoors and lighten up indoors. Activation is induced by a chemical reaction to ultraviolet (UV) sunlight. Generally, they do not get as dark as sunglasses and will not darken in the car since most car windows block out UV...

Cornea

Cornea A clear membrane that lies in front of the iris (colored part of the eye) and pupil. It is commonly referred to as the “front of the eye.” It is literally the window to the eye and has tremedous focusing power for the eye. It determines 80% of the...

Presbyopia

Presbyopia A universal aging process that occurs in all people regardless of whether or not glasses were necessary as a child or during young adulthood. This is a loss of the ability to focus on near objects. It generally becomes evident during the 40’s and will...

UV Tint

UV Tint Not really a “tint”, but a clear chemical coating used to filter out ultraviolet light. More than a dozen studies have shown that chonic exposure to sunlight without proper protection can increase the chances of developing age-related eye diseases...