Results 201 to 210 of about 385,906 (239)

Changes in Corneal Curvature After Upper Eyelid Surgery Measured by Corneal Topography

The Journal of craniofacial surgery (Print), 2016
Purpose: To analyze corneal curvature changes (eg, central corneal power and corneal astigmatism) after upper eyelid surgery, and to compare the effects of different upper eyelid procedures on corneal curvature.
Yoon Kyung Kim, Jung Hee In, S. Jang
semanticscholar   +1 more source

Customized Topography-Guided Corneal Collagen Cross-linking for Keratoconus.

Journal of refractive surgery, 2017
PURPOSE To compare the efficacy and safety of topography-guided corneal collagen cross-linking (TG-CXL) to conventional corneal CXL (C-CXL) in progressive keratoconus.
M. Cassagne, Kévin Pierné, S. Galiacy, Marie-Pierre Asfaux-Marfaing, P. Fournié, F. Malecaze   +5 more
semanticscholar   +1 more source

Refractive improvements and safety with topography-guided corneal crosslinking for keratoconus: 1-year results

British Journal of Ophthalmology, 2016
Purpose To assess the refractive improvements and the corneal endothelial safety of an individualised topography-guided regimen for corneal crosslinking in progressive keratoconus. Methods An open-label prospective randomised clinical trial was performed
M. Nordström, Maria Schiller, Anneli Fredriksson, A. Behndig   +3 more
semanticscholar   +1 more source

Irregular Astigmatism After Corneal Transplantation—Efficacy and Safety of Topography-Guided Treatment

Cornea, 2016
Purpose: To analyze the efficacy and safety of topography-guided photorefractive keratectomy (TG-PRK) to treat irregular astigmatism after corneal transplantation. Methods: This was a retrospective observational case series.
I. Laíns, A. Rosa, M. Guerra, C. Tavares, C. Lobo, M. F. L. Silva, M. Quadrado, J. Murta   +7 more
semanticscholar   +1 more source

Noncontact Quantification of Topography of Anterior Corneal Surface and Bowman's Layer With High-Speed OCT.

Journal of refractive surgery, 2017
PURPOSE To quantify keratometry and wavefront aberration of the anterior corneal surface and epithelium-Bowman's layer interface using anterior segment optical coherence tomography (OCT).
H. Matalia, Mathew Francis, Tarun Gangil, Rachana S Chandapura, M. Kurian, R. Shetty, E. J. R. Nelson, Abhijit Sinha Roy   +7 more
semanticscholar   +1 more source

Epithelial Thickness Profile Change After Combined Topography-Guided Transepithelial Photorefractive Keratectomy and Corneal Cross-linking in Treatment of Keratoconus.

Journal of refractive surgery, 2016
PURPOSE To evaluate corneal epithelial remodeling after topography-guided transepithelial photorefractive keratectomy (PRK) combined with corneal collagen cross-linking (CXL) in the treatment of keratoconus.
Xiangjun Chen, A. Stojanovic, Xiaorui Wang, Jingli Liang, D. Hu, T. Utheim   +5 more
semanticscholar   +1 more source

Repeatability of Placido-Based Corneal Topography in Keratoconus

Optometry and Vision Science, 2014
Purpose To determine and compare the repeatability of a Placido-based corneal topography (Oculus Keratograph) in a sample of healthy and keratoconus eyes.
S. Ortiz-Toquero, G. Rodríguez, V. de Juan, Raúl Martín   +3 more
semanticscholar   +1 more source

Corneal curvature gradient map: a new corneal topography map to predict the corneal healing process.

Journal of refractive surgery, 2014
PURPOSE To evaluate a new curvature gradient topography map to predict postoperative corneal remodeling. METHODS In this retrospective study, 32 eyes of 16 patients with myopia underwent excimer ablation surgery with a postoperative high curvature ...
P. Vinciguerra, C. Roberts, E. Albé, M. Romano, A. Mahmoud, S. Trazza, R. Vinciguerra   +6 more
semanticscholar   +1 more source

Stromal surface topography-guided custom ablation as a repair tool for corneal irregular astigmatism.

Journal of refractive surgery, 2015
PURPOSE To illustrate the concept of using a stromal surface topography-guided procedure for therapeutic repair after a complication following primary laser refractive surgery.
D. Reinstein, M. Gobbe, T. Archer, G. Youssefi, H. Sutton   +4 more
semanticscholar   +1 more source

Stromal Demarcation Line Induced by Corneal Cross-linking in Eyes With Keratoconus and Nonkeratoconic Asymmetric Topography

Cornea, 2015
Purpose: To evaluate stromal demarcation lines following corneal cross-linking (CXL) using anterior segment optical coherence tomography in patients with keratoconus and nonkeratoconic asymmetric topography.
J. B. Malta, A. C. Renesto, B. K. Moscovici, H. Soong, M. Campos   +4 more
semanticscholar   +1 more source