Disease Glossary

H21.01-03 Hyphema of Iris and Ciliary Body

Hyphema is a condition where blood from the iris or ciliary body hemorrhages into the anterior chamber. A hyphema may appear as a few red blood cells or it can completely fill the anterior chamber.

H20.011-013 Primary Iridocyclitis

Iridocyclitis is an inflammation of the uvela tissues, primarily the iris and ciliary body.

H47.291-293 Partial Optic Atrophy

Partial optic atrophy is not a diagnosis in itself, but rather a clinical sign of a previous optic nerve condition.

H18.831-833 Recurrent Erosion of Cornea

A corneal erosion is characterized by a spontaneous detachment of the basal cells of the corneal epithelium from the underlying basement membrane.

H47.321-323 Optic Nerve Drusen

A condition involving superficial or buried calcium-like globular deposits anterior to the lamina cribrosa of the optic nerve head.

H18.821-823 Corneal Disorder due to Contact Lens

Contact lens wear can cause a change in corneal physiology, which may lead to lead to epithelial, stromal, and endothelial compromise.

H18.731-733 Descemetocele

Descemetocele involves the anterior bulging or rupture of an intact Descemet's membrane through a defect of the overlying corneal stroma and epithelium.

H47.391-393 Crater-like Holes of the Optic Disc

Optic pits are excavations of the optic nerve head.

H18.711-713 Pellucid Marginal Degeneration

Pellucid marginal degeneration is a condition characterized by peripheral corneal thinning and corneal ectasia.

H18.621-623 Keratoconus Acute Hydrops

Corneal hydrops occurs after a rupture in Descemet's membrane and is characterized by severe corneal edema.