Pertaining to the eye.
O (Ocolar to Overconvergence)
River blindness. Caused by the parasitic worm onchocerca. Infection is as a result of being bitten by the buffalo gnat which is found in some fast flowing rivers in Africa and Central America. (more…)
Blind spot. Circular area of the retina where the optic nerve enters the eye. Contains no cells involved with vision.
Links the eye to the brain. It transmits the impulses created in the retina to the brain where they are transformed into images thus creating vision.
Inflammation of the optic nerve causing reduced vision and making the eye uncomfortable when it moves.
Benign tumour found in the optic nerve.
A technique, viewed by some as controversial, using rigid contact lenses to reduce or eliminate myopia, up to -4.00, by deliberately flattening the corneal curvature.
A state where the eyes when focusing on a near object turn in too much resulting in blurred vision.