نتایج جستجو برای: corneal toxicity
تعداد نتایج: 146059 فیلتر نتایج به سال:
The purpose of this study was to evaluate the effects of different time combinations of dexamethasoneand acetylcysteine on experimentally induced corneal ulcers in dogs. Experimental corneal wounds werecreated surgically to the anterior one third of the cornea in the center of all eyes of 15 mixed breed dogs. The eyes were divided into five groups according to planned post-operative medications...
purpose: to study the effect of phototherapeutic keratectomy (ptk) in the treatment of various superficial corneal pathologies. methods: we performed a nonrandomized, prospective study on patients who presented with superficial corneal disease and/or poor vision. fifty eyes were included recurrent corneal erosion (rce): 25 eyes, salzmann’s nodular degeneration: 9 eyes, spheroidal degeneration: ...
purpose: congenital corneal leukoma is rare with an incidence of 6/100000 and is one of the most important causes of amblyopia. here we report an unusual case of bilateral congenital elevated corneal leukoma. methods: we encountered a 13-day-old full term male newborn. ocular examination of both eyes revealed central elevated corneal leukomas with a narrow normal lucid interval to limbus. corne...
Report keratoconus in two patients with a long history of wrestling without any risk factor for corneal ectasia and reviewing the possible pathogenesis. To confirm suspicion of keratoconus, corneal topography was performed using scanning slit topography system and Orbscan. In two wrestlers with the complaint of visual loss in their eyes and IOP raising, corneal topography was performed and de...
Background and purpose: Astigmatism is a common optical dysfunction, effective on various visual outcomes and one of the important criteria of refractive surgery. The aim of present study was to evaluate the correlation between refractive, corneal and residual astigmatism in refractive surgery candidates. Materials and methods: In this cross-sectional descriptive, analytical study, 200 patient...
Causes of Melanosis other than Chlorpromazine THE pathological deposition of melanin is rarely seen in the tissues of the eye. Normally, small collections of melanin are sometimes seen in the eyes of Caucasians where the ciliary vessels pierce the sclera near the limbus. Larger collections of melanocytes form a benign naevus which may invade the cornea, or there may be multiple collections of m...
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