Results 31 to 40 of about 13,158 (161)

Effects of rigid high gas-permeable contact lens wear on progression in patient with keratoconus

Medicine Science, 2022
Wearing Rigid High Gas-Permeable Contact Lens (RGPCL) is a primary method of vision rehabilitation in keratoconus eyes. The aim of the study is to investigate the effects of using RGPCL on the topographical variations at the keratoconus progress.
Tolga Yilmaz, Ahu Yilmaz, Feyza Altin, Ferah Ozcelik   +3 more
doaj   +1 more source

Agreement and clinical comparison between a new swept-source optical coherence tomography-based optical biometer and an optical low-coherence reflectometry biometer [PDF]

, 2016
Purpose To compare measurements taken using a swept-source optical coherence tomography-based optical biometer (IOLmaster 700) and an optical low-coherence reflectometry biometer (Lenstar 900), and to determine the clinical impacts of differences in ...
Almendral Gómez, Jaime, Arriola Villalobos, Pedro, Díaz Valle, David, Fernandez Perez, C, Garzón Jiménez, Nuria, Martinez de la Casa, Jose Maria, Ruiz Medrano, J   +6 more
core   +2 more sources

Paired opposite clear corneal incision: time-related changes of its effect and factors on which those changes depend [PDF]

, 2017
PURPOSE To assess astigmatism induced by paired opposite clear corneal incision (OCCI) compared to single incisions and to investigate factors on which its effect depends. METHODS The study comprised 326 eyes from 326 patients.
Berta, András, Kolozsvári, Bence Lajos, Módis, László, Németh, Gábor   +3 more
core   +3 more sources

Transepithelial Corneal Cross-Linking With Vitamin E-Enhanced Riboflavin Solution and Abbreviated, Low-Dose UV-A: 24-Month Clinical Outcomes [PDF]

, 2016
Purpose: To report the clinical outcomes with 24-month follow-up of transepithelial cross-linking using a combination of a D-alpha-tocopheryl polyethylene-glycol 1000 succinate (vitamin E-TPGS)-enhanced riboflavin solution and abbreviated low fluence UV ...
Barbaro, G., Capobianco, D., Caruso, C., Epstein, R. L., Ostacolo, C., Troisi, S.   +5 more
core   +1 more source

Effects of Upper Eyelid Blepharoplasty on Contrast Sensitivity in Dermatochalasis Patients

Türk Oftalmoloji Dergisi, 2020
Objectives:To evaluate the impact of upper eyelid blepharoplasty on contrast sensitivity in dermatochalasis patients.Materials and Methods:Best corrected visual acuity, ophthalmologic examination, eyelid examination, lash ptosis, contrast sensitivity ...
Hilal Nalcı, Melek Banu Hoşal, Ömür Uçakhan Gündüz   +2 more
doaj   +1 more source

Association between retinal vein occlusion, axial length and vitreous chamber depth measured by optical low coherence reflectometry. [PDF]

, 2015
BACKGROUND: Results of ocular biometric measurements in retinal vein occlusion (RVO) eyes are still inconclusive and controversial. The aim of this study was to evaluate the association between ocular axial length (AL), vitreous chamber depth (VCD) and ...
A Agarwal, A Mirshahi, A Sahin, Andrea Szigeti, AS Majjii, B Simons, C Oliveira, Central Vein Occlusion Study Group, DJ Browning, EA Timmerman, F Bandello, GT Frangieh, H Tanna, J Jabbour, L Attas-Fox, M Goldstein, M Mehdizadeh, Miklós Schneider, MM Brown, MS Rajan, Mónika Ecsedy, N Ariturk, O Cekic, R Klein, R Ren, R Salouti, RC Gupta, RC Saxena, RL McIntosh, RM Bjeloš, S Moghimi, SA Read, SC Tsai, SL Rogers, SS Hayreh, T Ueda, The Eye Disease Case-control Study Group, The Eye Disease Case-control Study Group, WR Green, Zoltán Zsolt Nagy, Zsuzsanna Récsán   +40 more
core   +1 more source

Analysis of best corrected visual acuity following corneal refractive surgery comparing low and standard predicted postoperative keratometry [PDF]

, 2018
BACKGROUND: It is a commonly held view in the ophthalmologic community that eyes with sufficiently low calculated postoperative corneal keratometry, less than 35 diopters, should not undergo corrective refractive laser surgery (CRLS) due to the increased
Drake, Ryan Carpenter
core  

Scleral contact lenses for visual rehabilitation in keratoconus and irregular astigmatism after refractive surgery [PDF]

, 2009
This study aims to report our experience of using fluid-ventilated, gas-permeable scleral contact lenses (SCLs) for visual rehabilitation of patients with keratoconus and irregular astigmatism after refractive surgery.
Lo, Hua-Lin, Yeh, Shu-I, Cheng, Huey-Chuan   +2 more
core   +1 more source

Corneal power modelling with OCT data – Thin and thick lens paraxial models versus raytracing

Acta Ophthalmologica, EarlyView.
Abstract Background Evaluating keratometric power with Zeiss index (PKZ), paraxial thick cornea power (Gullstrand [PG]) and power referenced to the front (PFV) and back vertex plane (PBV) and raytracing power (PR), and modelling the deviation from PKZ with a multivariable linear prediction model.
Achim Langenbucher, Nóra Szentmáry, Alan Cayless, Peter Hoffmann, Jascha Wendelstein   +4 more
wiley   +1 more source

Comparing keratometry readings with manual separation of lids and wire speculum in children under general anesthesia

Indian Journal of Ophthalmology, 2021
Purpose: Keratometry (K) readings are crucial for intraocular lens power calculation in cataract surgery. In children who do not cooperate, the keratometry is done under general anesthesia with a handheld autokeratometer.
Jitendra Jethani, Kavita Porwal, Amit Porwal, Paaraj Dave, Syma Lalwani, Mihika Trivedi   +5 more
doaj   +1 more source