Web1) Iris transillumination defects in a radial pattern (backbowing of iris rubs on lens zonules). Enlarge Download 2) Krukenberg Spindle (pigment) dispersed on the corneal endothelium Enlarge Download 3) Scheie's … Web(Fig A). This abnormal iris configuration underlies the mechanism of pigment liberation in PDS by leading to mechanical rubbing of the iris pigment epithelium against the lens zonules. A laser peripheral iridotomy eliminated the iris backbowing (yellow arrow) (Fig B) and consequently should decrease irido-zonular contact and pigment liberation.
Iris Taylor - Ballotpedia
WebNov 11, 2024 · In addition to iris transillumination defects, iris backbowing, heavy pigmentation of the trabecular meshwork, and elevated intraocular pressure, he had … WebMar 2, 2024 · Diffuse iris transilumination defects and mydriatic pupil with sphincter paralysis was a common finding in all 32 eyes, (Fig. 1) while an irregular shaped iris with distorted pupillary borders... the plane experience
Atlas Entry - Pigment dispersion syndrome / glaucoma
WebPurpose: To study the classifications of qualitative characteristics on the angle configurations in the acute primary angle closure (APAC) and fellow eyes by ultrasound biomicroscopy (UBM). Methods: A total of 131 patients (262 eyes) were researched retrospectively. The qualitative parameters from UBM images were classified into iris … WebMar 6, 2010 · Pigment dispersion syndrome (PDS) occurs most commonly in middle-aged myopic patients and is characterized by concentric iris pigmentation, iris transillumination defects, backbowing, Krukenberg spindle, and dense pigment deposits in the trabecular meshwork.[1] It can lead to elevated intraocular pressure (IOP) and glaucoma.[1] We … WebFigura 2. concavidad post, en pte con dx GP, tras IP, rectifiacion iris, con disminución de área de contacto del iris con la zonula y cristalino. Figura 1. Gonioscopic photograph showing marked iris backbowing, a very deep anterior chamber, and heavy pigmentation of the trabecular meshwork ; Figura 1. the plane faces of a cylinder are circles