Pellucid marginal degeneration


Astigmatism

A type of astigmatism associated with abnormal curvatures on the anterior and/or posterior surface of the cornea.


Total: 2

                       


(per page)
PMID (PMCID)
19624971
 FEMALE Middle Aged
[Pellucid marginal degeneration and corneal ulceration, associated with Sjogren syndrome].
Fernandez-Barboza F, Verdiguel-Sotelo K, Hernandez-Lopez A.
Rev Med Inst Mex Seguro Soc. 2009;47(1):77-82.
two cases reported presented corneal topography with peripheral inferior corneal slimming (pachymetry), flattening of superior and central meridian, high astigmatism against the rule, corroborating clinical pellucid marginal degeneration prognosis.
15977889
 MALE Adult
Management of pellucid marginal degeneration with intracorneal ring segments.
Barbara A, Shehadeh-Masha'our R, Zvi F, Garzozi HJ.
J Refract Surg. 2005;21(3):296-8.
Insertion of the intracorneal ring segment improves visual acuity in pellucid marginal degeneration by flattening the central corneal protrusion, thus reducing myopia and improving the astigmatism irregularity.