نتایج جستجو برای: corneal opacities
تعداد نتایج: 31478 فیلتر نتایج به سال:
CASTROVEJO (1955) stated that opacities of the cornea, provided that they did not involve the whole thickness might be removed by clean dissection of the affected external layers. If infection, formation of granulation tissue, or revascularization is prevented during the post-operative period, the epithelium grows over the dissected area, the cornea remains transparent or fairly transparent, an...
Out of 742 out-patients screened for ocular disease, 177 (24%) had eye lesions due to leprosy. These were more in the lepromatous spectrum of the disease and showed increasing trend with age of patient and duration of the disease. Madarosis was the commonest lesion (76%). The serious and sight threatening lesions like lagophthalmos, corneal anaesthesia, corneal opacities and ulcers, iritis and ...
Aim: The primary aim of this study was to find if there is any correlation between the corneal radius of curvature and its eccentricity. Method: 45 subjects participated in this study, 24 emmetropes, 18 myopes and three hyperopes. All subjects were free of ocular abnormalities and had no media opacities. All the subjects had normal ocular health and good visual acuity of 1.0 or better for both ...
AIM To assess superficial lamellar keratectomy augmented by excimer laser smoothening with sodium hyaluronate 0.25%, for the management of superficial corneal opacities. METHODS Consecutive procedure performed in 14 eyes (13 patients) with an automated microkeratome and excimer laser phototherapeutic keratectomy (PTK) smoothening using sodium hyaluronate 0.25%. MAIN OUTCOME MEASURES UCVA, B...
PURPOSE OF REVIEW Neonatal corneal opacification (NCO) describes the loss of corneal transparency at or soon after (<4 weeks) birth. Historically, the literature is strewn with terminology that has been at best misleading and at worst, a hindrance to selecting the appropriate treatment plan for, accurate genotype-phenotype correlation of and a better understanding of the entities that present i...
310 There are few reports of spontaneous ocular changes in laboratory rabbits (1), which when detected may complicate interpretation of ocular results in toxicity testing. The corneal changes that have been described in this species include anterior corneal dystrophy in American Dutch belted rabbits (2) and corneal epithelial dystrophy in New Zealand White (NZW) rabbits (3, 4). In addition, die...
, 62 Aterm male neonate born via normal delivery to an AfricanAmerican woman at 39 weeks gestation presented with bilateral corneal clouding. The anthropometric measurements were all < 10% for gestational age (birth weight of 2239 g, head circumference of 31 cm, and length of 46 cm). A cephalhematoma measuring approximately 3 cm × 3 cm was present on right parietal area. Laboratory studies reve...
The pertinent literature on inherited corneal diseases is reviewed in terms of the chromosomal localization and identification of the responsible genes. Disorders affecting the cornea have been mapped to human chromosome 1 (central crystalline corneal dystrophy, familial subepithelial corneal amyloidosis, early onset Fuchs dystrophy, posterior polymorphous corneal dystrophy), chromosome 4 (Biet...
A new type of pre-Descemet's corneal dystrophy is described. The opacities are punctiform, polychromatic, of uniform size, and evenly distributed over the whole cornea. The diagnosis is made only by slit lamp because there is no visual impairment. The disease is hereditary and follows the autosomal mode of inheritance with a high percentage of penetrance, expressivity, and specificity in 4 succ...
PURPOSE To compare the outcomes after phacoemulsification performed with the AquaLase and phacoemulsification in MicroFlow system, including surgically induced astigmatism (SIA), corneal endothelial cell damage and postoperative recovery of visual acuity. METHODS The cataracts of Lens Opacities Classification System, version III (LOCS III) nuclear grade below 2 were subjected in this study. N...
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