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Posterior polymorphous corneal dystrophy (PPCD; sometimes also Schlichting dystrophy) is a type of corneal dystrophy, characterised by changes in Descemet's membrane and endothelial layer. Symptoms mainly consist of decreased vision due to corneal edema. In some cases they are present from birth, other patients are asymptomatic.
Posterior corneal dystrophies – Fuchs corneal dystrophy presents during the fifth or sixth decade of life. The characteristic clinical findings are excrescences on a thickened Descemet membrane (cornea guttae), generalized corneal edema and decreased visual acuity.
Posterior amorphous corneal dystrophy (PACD) is a rare form of corneal dystrophy. It is not yet linked to any chromosomal locus. The first report describing this dystrophy dates back to 1977.
The appearance of the cornea is similar to that in congenital glaucoma but without increased corneal diameter and elevated intraocular pressure. [14] Posterior polymorphous corneal dystrophy (PPMD, PPCD) [15]: PPCD, also known as Schlichting dystrophy, is an autosomal dominant disorder of the corneal endothelium and Descemet’s membrane. It is ...
Fuchs' dystrophy; Other names: Fuchs endothelial corneal dystrophy (FECD) Fuchs corneal dystrophy. Light microscopic appearance of the cornea showing numerous excrescences (guttae) on the posterior surface of Descemet's membrane and the presence of cysts in the corneal epithelium beneath ectopically placed intraepithelial basement membrane.
Congenital hereditary corneal dystrophy (CHED) is a form of corneal endothelial dystrophy that presents at birth. CHED was previously subclassified into two subtypes: CHED1 and CHED2. However in 2015, the International Classification of Corneal Dystrophies (IC3D) renamed the condition "CHED1" to become posterior polymorphous corneal dystrophy ...
Posterior keratoconus, a rare condition, usually congenital, which causes a nonprogressive thinning of the inner surface of the cornea, while the curvature of the anterior surface remains normal. Usually only a single eye is affected.
Congenital hereditary endothelial dystrophy; Congenital stromal corneal dystrophy; Cornea verticillata; Corneal abrasion; Corneal dystrophy; Corneal ectatic disorders; Corneal hydrops; Corneal neovascularization; Corneal ulcer