Akademik

Any corneal disease, damage, dysfunction, or abnormality. SYN: keratopathia. [kerato- + G. pathos, suffering, disease]

- band-shaped k. a horizontal, gray, interpalpebral opacity of the cornea that begins at the periphery and progresses centrally; occurs in hypercalcemia, chronic iridocyclitis, and Still disease.

- bullous k. edema of the corneal stroma and epithelium; occurs in Fuchs endothelial dystrophy, advanced glaucoma, iridocyclitis, and sometimes after intraocular lens implantation.

- chronic actinic k. SYN: climatic k..

- climatic k. a bilateral, symmetrical corneal dystrophy caused by prolonged exposure to extremes of heat or cold; nodular opacities are limited to the interpalpebral area and vision is only mildly affected. SYN: chronic actinic k., climatic droplike k., Labrador k., spheroidal degeneration.

- climatic droplike k. SYN: climatic k..

- filamentary k. formation of fine elongations of corneal epithelium in inflammation, edema, and degenerative states.

- infectious crystalline k. fernlike, needle-shaped deposits that may be seen in bacterial keratitis, particularly that due to α-hemolytic streptococci, under streptococcus.

- Labrador k. SYN: climatic k..

- lipid k. occurrence of fats in an area of corneal vascularization.

- neuroparalytic k. corneal inflammation or ulceration associated with dysfunction of the ophthalmic branch of the trigeminal nerve.

- striate k. corneal stromal edema with formation of criss-cross tracts.

- vesicular k. corneal epithelial edema with formation of vacuoles.

ker·a·top·a·thy .ker-ə-'täp-ə-thē n, pl -thies any noninflammatory disease of the eye see BAND KERATOPATHY

any disorder relating to the cornea. See band keratopathy, bullous keratopathy.