نتایج جستجو برای: macular corneal dystrophy
تعداد نتایج: 71007 فیلتر نتایج به سال:
PURPOSE To investigate whether apoptosis plays a notable role in degeneration of corneal endothelial cells in patients with Fuchs' dystrophy. METHODS Forty-seven corneal buttons from 41 patients with Fuchs' dystrophy were studied. Nucleus labeling, transmission electron microscopy (TEM), and TdT-dUTP terminal nick-end labeling (TUNEL) were used to detect apoptosis. TEM and TUNEL were performe...
INTRODUCTION To report the sequential changes in corneal topography and astigmatism following limited macular translocation. CLINICAL PICTURE AND TREATMENT: A 45-year-old-man who underwent limited macular translocation for idiopathic subfoveal choroidal neovascularisation in the right eye was evaluated by corneal topography and manifest refraction preoperatively and serially for 1 year postoper...
AIMS To ascertain the level of perceived difficulty experienced by patients with central vision loss due to juvenile macular dystrophies in the performance of everyday activities. A second objective was to compare their perceived difficulty with that of patients with retinitis pigmentosa (RP) with primarily peripheral vision loss. METHODS 72 patients with Stargardt disease, cone dystrophy, or...
OBJECTIVES To search for novel mutations that cause corneal stromal dystrophies and to confirm or revise the clinical diagnosis of patients with these mutations. PATIENTS Through review of the records of the Cogan Eye Pathology Laboratory at the Massachusetts Eye and Ear Infirmary, Boston, and of clinical records, we ascertained 14 unrelated patients with the clinical or histopathologic diagn...
A progressive, apparently inherited corneal dystrophy is described in an inbred line of Manx cats. Initial changes in the cornea are seen at four months of age and characterized by anterior stromal edema. Progressive worsening of the condition produces severe bullous keratopathy with eventual breakdown of both epithelium and stroma. Light microscopic and ultrastructural studies in the advanced ...
An interest in the possibility of a systemic lipid disturbance in Schnyder's corneal dystrophy stems from the work of Bonnet, Paufique, and Bonamour (I934), who first suggested that the needle-shaped corneal deposits in this condition consisted of cholesterol. The present study is of great interest since it describes a family in which Schnyder's central crystalline stromal dystrophy coexisted w...
Histochemical evidence suggests that the amorphous stromal deposits of corneal granular dystrophy are composed essentially of a non-collagenous protein or polypeptide complex, the precise nature of which, however, is unknown (Seitz and Goslar, I963; Garner, I969). Electron microscopy fortunately enables a further dimension of this material to be studied, and the present report gives the finding...
This study was performed to evaluate the efficacy of anterior keratoplasty with microkeratome in the improvement of visual acuity (V.A) in superficial corneal disorders in patients admitted to Labbfi Nezhad hospital and Tehran Bassir Clinic . &nbs...
We studied 133 Japanese patients with retinal dystrophies to detect peripherin/RDS (retinal degeneration slow) gene defects. The patients analyzed included 52 with autosomal dominant retinitis pigmentosa, 36 with autosomal recessive retinitis pigmentosa, 3 with simplex retinitis pigmentosa, 12 with cone-rod dystrophy, 5 with rod-cone dystrophy, 3 with vitelliform macular dystrophy (Best's disea...
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