Rx Eye & Vision Care (A – Z)
Rx Eye & Vision Care (A - Z)
Cogan Syndrome
Cogan syndrome (often written “Cogan’s syndrome”) is a rare autoimmune disease in which ...
Rx Eye & Vision Care (A - Z)
Valley Fever
Valley Fever—known to doctors as coccidioidomycosis—is an infection you catch by ...
Rx Eye & Vision Care (A - Z)
Coccidioidomycosis
Coccidioidomycosis—often called Valley Fever—is a fungal infection caused by breathing in ...
Rx Eye & Vision Care (A - Z)
Cobalamin C (cblC) Deficiency
Cobalamin C (often written cblC) deficiency is the single most common inherited error in ...
Rx Eye & Vision Care (A - Z)
Coats Disease
Coats disease is an uncommon, non‑hereditary eye disorder in which the tiny blood vessels ...
Rx Eye & Vision Care (A - Z)
Cytomegalovirus (CMV) Retinitis
Cytomegalovirus (CMV) retinitis is a severe viral infection of the retina – the ...
Rx Eye & Vision Care (A - Z)
Cytomegalovirus (CMV) Endotheliitis
Cytomegalovirus (CMV) endotheliitis is a sight‑threatening eye infection in which human ...
Rx Eye & Vision Care (A - Z)
Clear Lens Extraction
Clear Lens Extraction (CLE) — sometimes called refractive lens exchange, ...
Rx Eye & Vision Care (A - Z)
Cicatricial Ectropion
Cicatricial ectropion means the eyelid—usually the lower lid—turns outward because scar ...
Rx Eye & Vision Care (A - Z)
Cicatricial Conjunctivitis
“Cicatricial” is another word for “caused by a scar.” “Conjunctivitis” means inflammation ...
Rx Eye & Vision Care (A - Z)
Chronic Relapsing Inflammatory Optic Neuritis
Chronic Relapsing Inflammatory Optic Neuritis—usually shortened to CRION—is a rare, ...
Rx Eye & Vision Care (A - Z)
Chronic Progressive External Ophthalmoplegia
Chronic Progressive External Ophthalmoplegia is a slow‑moving muscle disease in which the ...
Rx Eye & Vision Care (A - Z)
Chromatopsia
Chromatopsia is an acquired disturbance of colour vision in which everything in the ...
Rx Eye & Vision Care (A - Z)
Choroideremia
Choroideremia (pronounced kuh‑ROY‑der‑EE‑mee‑ah) is a rare, inherited eye disease that ...
Rx Eye & Vision Care (A - Z)
Choroidal Macroaneurysm
Choroidal macroaneurysms (CMAs) are balloon‑like bulges that form in the arteries of the ...
Rx Eye & Vision Care (A - Z)
Choroidal Macrovessels Disorder
A choroidal macrovessel (CM) is an unusually large, tortuous blood vessel inside the ...
Rx Eye & Vision Care (A - Z)
Choroidal Posterior Vortex Veins Disorder
Choroidal Posterior Vortex Veins Disorder describes a group of anatomical variations and ...
Rx Eye & Vision Care (A - Z)
Choroidal Vascular Anomalies
Choroidal vascular anomalies are a group of eye problems in which the network of blood ...



