نتایج جستجو برای: scleral perforation
تعداد نتایج: 21460 فیلتر نتایج به سال:
PURPOSE To describe the use of Jupiter scleral lenses (Medlens Innovations, Front Royal, VA; and Essilor Contact Lenses, Inc., Dallas, TX) in the management of keratoconus. METHODS We performed a single-center retrospective chart review of our initial 32 patients with keratoconus evaluated for scleral lens wear. All patients were referred for scleral lens evaluation after exhausting other non...
Presbyopia corrections traditionally have been approached with attempts to exchange power, either at the cornea or the lens planes, inducing multifocality, or altering asphericity to impact the optical system. Treatments that affect the visual axis, such as spectacle and contact lens correction, refractive surgeries, corneal onlays and inlays, and intraocular lenses are typically unable to rest...
A remarkable case of a scleral melting reaction in association with conjunctival rhinosporidiosis is presented and its surgical treatment with a scleral graft described.
A 76-year-old patient experienced a car accident several years earlier that resulted in the loss of his right eye (ocular prosthesis) and retinal detachment left eye, treated with scleral buckle. computed tomography scan head (Fig A) showed bilobed globe separated by ring hyperdensity (scleral buckle). Ultra-widefield fundus imaging B) demonstrated major circular indentation delimiting anterior...
PURPOSE To characterize scleral biomechanics in both eyes of eight monkeys in which chronic intraocular pressure (IOP) elevation was induced in one eye. METHODS Each posterior sclera was mounted on a pressurization apparatus, IOP was elevated from 5 to 45 mm Hg while the 3D displacements of the scleral surface were measured by speckle interferometry. Finite element (FE) models of each scleral...
A 62-year-old man with a large ciliochoroidal melanoma developed early-onset scleral necrosis with tumor extrusion within 1 month of epibulbar iodine I 125 plaque radiotherapy. The eye was enucleated. Pathologic study revealed nonmicrobial scleral necrosis with extrusion of histologically intact and necrotic uveal melanoma cells. The patient has been followed up for 15 months without clinical r...
purpose: to detect the prevalence of dry eye after vitrectomy and its influencing factors. methods: schirmer i, tear basic secretion test and tear breakup time was done preoperatively and 3 months postoperatively on consecutive patients undergoing vitrectomy in khatam hospital from 2005 to 2006. eyes with previous peritomies of more than 120◦ and symptoms of dry eye or tear tests compatible wit...
Objectives To investigate corneal, scleral, choroidal, and foveal thicknesses in female patients with rheumatoid arthritis (RA) and compare them with healthy subjects. Materials and Methods This prospective study included consecutive female patients diagnosed with RA and healthy subjects. Corneal, scleral, choroidal, and retinal (foveal) thicknesses were obtained by using optical coherence to...
PURPOSE To describe a new surgical approach for the tectonic reconstruction of the anterior ocular segment and the management of scleral and conjuctival melting. METHODS Case series of patients demonstrating anterior segment anomalies, such as scleral and conjunctival melting. The anterior stromal part of a pre-cut corneal graft for Descemet's stripping automated endothelial keratoplasty (DSA...
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