نتایج جستجو برای: scleral penetration

تعداد نتایج: 38939  

Journal: :The British journal of ophthalmology 1992
R J Leitch M A Bearn P G Watson

A 66-year-old man presented with massive bilateral scleral thickening and calcification associated with a unilateral exudative retinal detachment which did not respond to systemic anti-inflammatory agents including steroids and cyclophosphamide but improved with scleral resection. This patient shows the features of both posterior scleritis and the uveal effusion syndrome, providing further evid...

Journal: :Investigative ophthalmology & visual science 2000
N A McBrien P Lawlor A Gentle

PURPOSE Recent investigations have suggested that scleral thinning in mammalian eyes with axial myopia is a consequence of the loss of scleral tissue, rather than the redistribution of existing tissue as the eye enlarges. The present study investigated whether further changes in the distribution and metabolism of scleral tissue occur during the process of recovery from axial myopia. Scleral gly...

Journal: :Eye & contact lens 2010
Muriel M Schornack Sanjay V Patel

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...

2018
AnnMarie Hipsley Brad Hall Karolinne M Rocha

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...

Journal: :The British journal of ophthalmology 1990
R M De Doncker R J de Keizer J A Oosterhuis A Maes

A remarkable case of a scleral melting reaction in association with conjunctival rhinosporidiosis is presented and its surgical treatment with a scleral graft described.

Journal: :Ophthalmology 2021

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...

Journal: :Investigative ophthalmology & visual science 2011
Michaël J A Girard J-K Francis Suh Michael Bottlang Claude F Burgoyne J Crawford Downs

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...

Journal: :PLoS ONE 2008
Yuko Seko Noriyuki Azuma Yoriko Takahashi Hatsune Makino Toshiyuki Morito Takeshi Muneta Kenji Matsumoto Hirohisa Saito Ichiro Sekiya Akihiro Umezawa

BACKGROUND The sclera maintains and protects the eye ball, which receives visual inputs. Although the sclera does not contribute significantly to visual perception, scleral diseases such as refractory scleritis, scleral perforation and pathological myopia are considered incurable or difficult to cure. The aim of this study is to identify characteristics of the human sclera as one of the connect...

Journal: :Archives of ophthalmology 1999
Z M Corrêa J J Augsburger J Freire R C Eagle

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...

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