Polarized Lenses

Polarized Lenses These lenses have become very popular in the sports world. They cut unwanted reflected glare from sunlight bouncing off water, metallic surfaces, pavement, or snow. For example, sunglasses with polarized lenses are popular and useful for fishing,...

Choroid

Choroid Part of the middle coat of the eye which is a major source of blood supply. It is sandwiched in between the retina and sclera (see definitions this section).

Occipital Lobe

Occipital Lobe The final part of the visual pathway for vision. It is the part of the brain that does the “seeing.” It receive electrical impulses from the retina via the optic nerve. Strokes that involve the occipital lobe can cause blindness even though...

Scratch-resistance Coating

Scratch-resistance Coating Specialized coating for plastic lenses that helps retard scratching or crazing of lenses. Extremely beneficial in most cases for long term preservation of quality vision through your lenses. In the last several years, we’ve seen a...

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...