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The Effect of Corneal Epithelium on Corneal Curvature in Patients with Keratoconus

open access: yesSeminars in Ophthalmology, 2014
To investigate the effects of corneal epithelium on corneal curvature in patients with keratoconus.This is a prospective, nonrandomized study.Fifty-nine eyes of 47 patients diagnosed as keratoconus and for whom corneal collagen crosslinking (CXL) was recruited in this study.This study is a single-center clinical trial.
Uysal, Betul Seher   +6 more
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Corneal epithelium.

Archives of ophthalmology (Chicago, Ill. : 1960), 1974
Using microdensitometry, the recovery courses of glycogen concentration and lactic dehydrogenase (LDH) reactivity were monitored following a standard period of epithelial anoxia. Although the reactivity imbalance of LDH between the superficial and basal cell layers was restored, as was the sagittal thickness of the epithelium, by about six hours ...
G E, Lowther, R M, Hill
openaire   +3 more sources

Corneal Epithelium in Keratoconus

Cornea, 1995
Specular microscopy was employed to study the corneal epithelium of 20 keratoconus patients (17 male, 3 female, average age 23.9 +/- 6.6 years). The patients were divided into three groups based on the severity of the keratoconus; early, intermediate, and advanced. Initially, epithelial changes were limited to enlargement of the superficial cells.
K, Tsubota   +4 more
openaire   +2 more sources

ARTIFICIAL CORNEAL EPITHELIUM

Archives of Ophthalmology, 1968
To the Editor: Water-impermeable transparent membranes of polypropylene or polymethyl methacrylate have been placed intralamellarly in patients having bullous keratopathy. 1-4 This procedure is of little help because, although the stroma in front of the membrane dehydrates and the epithelial edema disappears, the posterior stroma becomes even more ...
C H, Dohlman   +3 more
openaire   +2 more sources

Optics of the Corneal Epithelium

Journal of Refractive Surgery, 1993
ABSTRACT BACKGROUND: The refractive effect of the corneal epithelium in relation to the cornea as a whole is relatively unknown, yet it may affect the efficacy of keratorefractive surgical procedures, most notably photorefractive keratectomy and epikeratoplasty. This article investigates the retractive effect of the epithelium on the cornea.
G, Simon   +3 more
openaire   +2 more sources

Actin in Human Corneal Epithelium

Archives of Ophthalmology, 1985
Actin, a major protein involved in muscle cell contraction, is also associated with cell motility, cell-substrate adhesion, and cell-shape changes in non-muscle cells. By electrophoresis and scanning densitometry, actin was found to constitute about 4% to 6% of the total cellular protein in the human corneal epithelium.
H K, Soong, J A, Fairley
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Permeability of regenerated corneal epithelium

Experimental Eye Research, 1975
The penetration of non-metabolized 14carbon labelled α-amino-isobutyric acid (α-AIB), 3-o-methyl glucose, and d-mannitol across the regenerated corneal epithelium in rabbits has been determined in vivo and compared to penetration into bare stroma and across normal epithelium.
R A, Thoft, J, Friend
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Integrins in Human Corneal Epithelium

Cornea, 1991
Monoclonal antibodies (Mabs) were used for immunohistochemical location of integrin beta- (beta 1,3, and 4) and alpha subunits (alpha 1-6 and alpha v) in the epithelium of both normal and tissue-cultured human cornea. Immunoreaction for the beta 1 integrin subunit was the most intense at the membranes of the basal epithelial cells and weaker at the ...
K, Tervo   +3 more
openaire   +2 more sources

Immunoelectrophoresis of the proteins of the corneal epithelium

Experimental Eye Research, 1963
The proteins of the corneal epithelium are separated into a greater number of fractions by high-tension agar electrophoresis than by paper electrophoresis. The distribution of the different fractions is greatly influenced by the ionic strength of the buffer solution.
J, FRANCOIS, M, RABAEY
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Fc receptors in corneal epithelium

Current Eye Research, 1989
The corneal epithelia of the mouse, rabbit and human were shown to contain Fc receptors by an indirect method with immunoglobulins, labelled second antibody and the avidin-biotin peroxidase complex (ABC); and a direct method with the peroxidase conjugated Fc fragment.
H M, Wang, J E, Jeng, H J, Kaplan
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