Results 61 to 70 of about 1,264,446 (168)

The Effect of Upper Eyelid Blepharoplasty on Corneal Tomography and Epithelial Profile

open access: yesClinical Ophthalmology, 2023
Pedro Carreira, Tomás Loureiro, Ana Rita Carreira, Filipe Gouveia-Moraes, Ana Cardoso, Audrey Sampaio, Paul Campos, Sandra Rodrigues-Barros, Ines Machado, Nuno Campos Centro de Responsabilidade Integrada de Oftalmologia, Hospital Garcia de Orta, Almada ...
Carreira P   +9 more
doaj  

Corneal biomechanical changes in allergic conjunctivitis

open access: yesEye and Vision, 2021
Background To explore corneal biomechanical changes, identify related factors and determine early indicators of keratoconus (KC) development risk in allergic conjunctivitis (AC) patients.
Qian Wang   +6 more
doaj   +1 more source

Comparison of the repeatability and reproducibility of corneal thickness mapping using optical coherence tomography according to tear film break-up time

open access: yesBMC Ophthalmology
Background To compare the repeatability and reproducibility of corneal and corneal epithelial thickness mapping using anterior segment optical coherence tomography (AS-OCT) according to tear film break-up time (TBUT).
Kan Lin   +8 more
doaj   +1 more source

Epithelial and Topographic Corneal Remodeling After Ptosis and Ectropion Surgery: An MS-39-Based Study

open access: yesDiagnostics
Background/Objectives: Eyelid malpositions can alter corneal shape through chronic mechanical forces, yet conventional topographic devices do not distinguish epithelial from stromal contributions to these changes.
Maria Angela Romeo   +7 more
doaj   +1 more source

Mechanical removal of epithelial hyperplasia leads to successful treatment of irregular astigmatism

open access: yesBMC Ophthalmology, 2023
Background Corneal epithelium remodeling in response to changes in the anterior corneal surface (keratoconus, corneal refractive surgery) is well-documented in the literature. However, several conditions may induce a different behavior of the epithelium,
Mª Victoria de Rojas Silva   +2 more
doaj   +1 more source

Corneal Epithelial Remodeling after LASIK Measured by Fourier-Domain Optical Coherence Tomography

open access: yesJournal of Ophthalmology, 2015
Purpose. To quantify corneal epithelial thickness changes after myopic LASIK by OCT. Methods. Epithelial thickness before and after myopic LASIK were measured by a Fourier-domain OCT system.
Maolong Tang, Yan Li, David Huang
doaj   +1 more source

Effect of Hypoxia on Central and Peripheral Corneal Thickness and Corneal Topography [PDF]

open access: yes, 1975
Epithelial anoxia causes increases in both central and peripheral corneal thickness. The thickness increase is eliminated when the cornea is exposed to 2% oxygen.
Carney, Leo G.
core  

Construction of a full-thickness human corneal substitute from anterior acellular porcine corneal matrix and human corneal cells [PDF]

open access: yesInternational Journal of Ophthalmology, 2019
AIM: To construct functional human full-thickness corneal replacements. METHODS: Acellular porcine corneal matrix (APCM) was developed from porcine cornea by decellulariztion.
Kai Zhang   +4 more
doaj   +1 more source

Development of Multi-Layer Nanofiber Scaffolds for Corneal Epithelial Layer Using Silk Fibroin, Collagen, Aloe Vera, and Epithelial Growth Factor [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering
This research aimed to develop and evaluate various multi-layer nanofiber scaffolds using different scaffold compounds, including Silk fibroin, Silk fibroin/Collagen, Silk fibroin/collagen/Aloe vera, silk fibroin/Collagen/Aloe vera/ epithelial growth ...
Shaghayegh Zargar   +3 more
doaj   +1 more source

Diurnal variation of corneal shape and thickness [PDF]

open access: yes, 2009
Purpose: To investigate associations between the diurnal variation in a range of corneal parameters, including anterior and posterior corneal topography, and regional corneal thickness.
Read, Scott A., Collins, Michael J.
core   +1 more source

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