نتایج جستجو برای: corneal thickening
تعداد نتایج: 41787 فیلتر نتایج به سال:
Findings in nodular iritis of the leprous eye on examination by the slit-lamp microscope were first reported by Peter in 1924. Since then Pillat, Boshoff (1), Kennedy (5), and others have reported on the changes in the leprous eye observed by the same means. Vale (11) in particular has pointed out the importance of the capillary network in the limbus corneae; and Pillat, and also Elliot (2) hav...
PURPOSE To establish the sequence of tomographic changes in the tissue recovery process after pterygium excision and to propose healing indicators. METHODS Optical coherence tomography (OCT) images were taken at 1 week, 1, 3 and 6 months after lesion excision in 73 eyes of 73 patients (33 male, 40 female; mean age 50, S.D. 5.0, range 40-70 years) with primary nasal pterygium. Biomicroscopy wa...
Corneal transparency is maintained by the corneal endothelium through its pump and barrier function. Severe corneal endothelial damage results in dysregulation of water flow and eventually causes corneal haziness and deterioration of visual function. In 2013, we initiated clinical research of cell-based therapy for treating corneal decompensation. In that study, we removed an 8-mm diameter sect...
Corneal disease is the most common cause of bilateral blindness in the world. Visual loss in this condition is often due to changes in morphology and function of the corneal epithelial surface. Corneal disease-1 (corn1) and corn1(2J) are spontaneous mouse mutants that develop irregular thickening of the corneal epithelium, similar to that observed in human corneal surface disease. These autosom...
PURPOSE To report corneal decompensation in 3 patients with recessive cornea plana. METHODS Retrospective case series. RESULTS An adult and two children (all unrelated) with clinical recessive cornea plana had gradual decrease in vision. Ophthalmic examination revealed corneal decompensation (stromal thickening and haze without epithelial changes) in the 3 patients. Diagnostic DNA sequencin...
A Holstein calf was born with a large protruding right eye and a central corneal opacity. Enucleation was the first choice of treatment. The calf had a good prognosis and was raised for milking purposes. Macroscopically, the enucleated eye was characterized by the protruded cornea, adherence of the iris to the central posterior cornea and aphakia. Microscopically, central corneal thickening and...
PURPOSE The Pbx TALE (three-amino-acid loop extension) homeodomain proteins interact with class 1 Hox proteins, which are master regulators of cell fate decisions. This study was performed to elucidate the role of the Pbx1 TALE protein in the corneal epithelium of mice. METHODS Pbx1(f/f) mice were crossed with mice containing Cre recombinase under the control of the K14 promoter. Subsequently...
Purpose Corneal transplantation remains the last hope for vision restoration, and lymphangiogenesis (LG) is a primary mediator of transplant rejection. This study was to investigate the specific role of angiopoietin-2 (Ang-2) in transplantation-associated LG and graft rejection. Methods Orthotopic corneal transplantation was performed between fully mismatched C57BL/6 (donor) and BALB/c (recip...
Pterygium is characterized by the thickening of the bulbar conjunctiva and the invasion of the cornea from the sclerocorneal limbus to the central portion of the cornea. Pterygium produces corneal deformation, which extends toward the central portion of the cornea. The visual disorders depend on the corneal extent. The treatment goal is the removal of the corneal and conjunctival portion of the...
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