
Corneal opacity and other disorders of cornea

Corneal scars and opacities

Corneal opacity unspecified
- clouding that can occur in the transparent part of the coat of the eyeball or cornea, secondary to inflammation, infection or irritant exposure by a foreign body or chemical.

Minor opacity of cornea

Peripheral opacity of cornea

Central opacity of cornea
- Diffuse edema of the central region of the cornea, usually associated with the wearing of hard contact lenses, but may also occur in keratoconus.

Adherent leucoma

Phthisical cornea

Corneal pigmentations and deposits

Corneal deposit unspecified

Anterior corneal pigmentations

Stromal corneal pigmentations

Posterior corneal pigmentations

Kayser-fleischer ring

Other corneal deposits associated with metabolic disorders

Argentous corneal deposits

Corneal edema
- excessive amount of fluid in the transparent anterior portion of the fibrous coat of the eye due to damage of the epithelium or endothelium, causing decreased visual acuity.
- Hazy, swollen cornea.

Corneal edema unspecified
- excessive amount of fluid in the transparent anterior portion of the fibrous coat of the eye due to damage of the epithelium or endothelium, causing decreased visual acuity.
- Hazy, swollen cornea.

Idiopathic corneal edema

Secondary corneal edema

Bullous keratopathy

Corneal edema due to wearing of contact lenses

Changes of corneal membranes

Corneal membrane change unspecified

Folds and rupture of bowman's membrane

Folds in descemet's membrane

Rupture in descemet's membrane

Corneal degenerations

Corneal degeneration unspecified

Senile corneal changes
- Degenerative changes of the cornea related to aging that are highly influenced by changes in the corneal endothelium. Changes include corneal topography, increased density, decreased hydration of the corneal stroma, and epithelial basement membrane dystrophy; The stroma appears hazier than in younger eyes and reduces light transmission. Changes may also include age-related stromal degeneration and deposition.

Recurrent erosion of cornea

Band-shaped keratopathy

Other calcerous degenerations of cornea

Keratomalacia nos
- dryness with ulceration and perforation of the cornea, with absence of inflammatory reactions, occurring in cachectic children; results from severe vitamin A deficiency.

Nodular degeneration of cornea

Peripheral degenerations of cornea

Other corneal degenerations

Hereditary corneal dystrophies

Hereditary corneal dystrophy unspecified

Juvenile epithelial corneal dystrophy

Other anterior corneal dystrophies

Granular corneal dystrophy

Lattice corneal dystrophy

Macular corneal dystrophy

Other stromal corneal dystrophies

Endothelial corneal dystrophy
- disorder caused by loss of endothelium of the central cornea; it is characterized by hyaline endothelial outgrowths on Descemet's membrane, epithelial blisters, reduced vision, and pain.

Other posterior corneal dystrophies

Keratoconus
- noninflammatory, usually bilateral protrusion of the cornea in which the apex is displaced downward and nasally; the conus refers to the cone shape of the corneal protrusion.

Keratoconus unspecified
- noninflammatory, usually bilateral protrusion of the cornea in which the apex is displaced downward and nasally; the conus refers to the cone shape of the corneal protrusion.

Keratoconus stable condition

Keratoconus acute hydrops

Other corneal deformities

Corneal deformity unspecified

Corneal ectasia

Descemetocele

Corneal staphyloma

Other corneal disorders

Corneal anesthesia and hypoesthesia

Corneal disorder due to contact lens

Other corneal disorders

Unspecified corneal disorder
- pathological process affecting the transparent anterior portion of the fibrous coat of the eye.
- The transparent part of the eye that covers the iris and the pupil and allows light to enter the inside.
- The transparent anterior portion of the fibrous coat of the eye consisting of five layers: stratified squamous epithelium, Bowman's membrane, stroma, Descemet's membrane, and mesenchymal endothelium. It serves as the first refracting medium of the eye. It is structurally continuous with the sclera, is avascular, receiving its nourishment by permeation through spaces between the lamellae, and is innervated by the ophthalmic division of the trigeminal nerve via the ciliary nerves and those of the surrounding conjunctiva which together form plexuses.