by daniel | Nov 16, 2016 | Common Definitions in Eye Care
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).
by daniel | Nov 16, 2016 | Common Definitions in Eye Care
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...
by daniel | Nov 16, 2016 | Glasses Terminology
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...
by daniel | Nov 16, 2016 | Common Definitions in Eye Care
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...
by daniel | Nov 16, 2016 | Common Definitions in Eye Care
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...
by daniel | Nov 16, 2016 | Glasses Terminology
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...
