نتایج جستجو برای: scleral

تعداد نتایج: 3365  

Journal: :Journal of cataract and refractive surgery 2006
Richard S Hoffman I Howard Fine Mark Packer

Scleral fixation of intraocular lenses (IOLs) and adjunctive capsular devices can be performed under the protection of a scleral flap. A modification of this technique uses a scleral pocket initiated through a peripheral clear corneal incision. Full-thickness passage of a double-armed suture through the scleral pocket and conjunctiva, with subsequent retrieval of the suture ends through the ext...

2002
P Sullivan L Filsecker J Sears

Background/aims: Macular translocation with scleral imbrication is a new technique for treating subfoveal choroidal neovascular membranes (CNV). This procedure shortens the sclera but may result in a minimal decrease in the internal circumference of the globe and limits the amount of foveal displacement. The authors propose a new scleral retraction suture aimed at decreasing the internal circum...

2012
Sujiv Vurgese Songhomitra Panda-Jonas Jost B. Jonas

PURPOSE To obtain information about scleral thickness in different ocular regions and its associations. METHODS The histomorphometric study included 238 human globes which had been enucleated because of choroidal melanomas or due to secondary angle-closure glaucoma. Using light microscopy, anterior-posterior pupil-optic nerve sections were measured. RESULTS In the non-axially elongated grou...

Journal: :The British journal of ophthalmology 1976
L Regenbogen A Romano M Zuckerman R Stein

Preserved human scleral graft and histoacryl-blue tissue adhesive were used in four cases of retinal detachment surgery to obtain scleral buckling effect and to protect staphylomatous or necrotic scleral areas. The use of histoacryl produced a strong and resistant adhesion between the host and the preserved scleral patch. The postoperative inflammatory reaction was mild and disappeared within o...

Journal: :Biomedical optics express 2014
Masahiro Yamanari Satoko Nagase Shinichi Fukuda Kotaro Ishii Ryosuke Tanaka Takeshi Yasui Tetsuro Oshika Masahiro Miura Yoshiaki Yasuno

The relationship between scleral birefringence and biometric parameters of human eyes in vivo is investigated. Scleral birefringence near the limbus of 21 healthy human eyes was measured using polarization-sensitive optical coherence tomography. Spherical equivalent refractive error, axial eye length, and intraocular pressure (IOP) were measured in all subjects. IOP and scleral birefringence of...

Journal: :British Journal of Ophthalmology 1959

2016
Amir H. Marvasti Jesse Berry Maria E. Saber Sibug Jonathan W. Kim Alex S. Huang

INTRODUCTION Anterior segment tumors can be difficult to detect until tumor growth is substantial enough to cause local signs or symptoms. Earlier detection may result in improved outcomes, particularly the ability to option for globe-conserving therapy. Multiple diagnostic modalities such as ultrasound or optical coherence tomography exist to aid for earlier detection of ciliary body tumors, b...

Journal: :Investigative ophthalmology & visual science 1995
E R Tamm T A Koch B Mayer F H Stefani E Lütjen-Drecoll

PURPOSE To study the innervation of the presumably contractile, myofibroblast-like scleral spur cells in human and cynomolgus monkey eyes. METHODS Serial tangential sections of the scleral spur region of the eyes of 16 human donors and 6 cynomolgus monkeys were investigated with immunocytochemical methods. Antibodies against acetylcholinesterase, synaptophysin, alpha-smooth muscle actin, calc...

Journal: :The British journal of ophthalmology 1979
C H Birchall

The 'fishmouth phenomenon' seen in some previously treated retinal detachments is associated with large horeshoe tears and scleral buckling techniques. A method of treating patients with this complication is described in which scleral buckling with implant or explant is not used. The technique utilises intravitreal air tamponade with cryopexy and gives good results. The incidence of patients de...

Journal: :Optometry and vision science : official publication of the American Academy of Optometry 2015
Esther-Simone Visser Nienke Soeters Nayyirih G Tahzib

PURPOSE Subjective and objective evaluation of scleral lens tolerance and fitting before and after corneal cross-linking (CXL) for progressive keratoconus. METHODS In this prospective cohort, evaluations were made of 18 unilateral eyes in patients who underwent CXL and had been wearing scleral lenses before the procedure. All the patients gave informed consent; they were able to cooperate wit...

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