Results 81 to 90 of about 13,158 (161)

Assessment of corneal parameters in patients with rheumatoid arthritis

open access: yesIndian Journal of Ophthalmology
Purpose: To assess the corneal parameters in rheumatoid arthritis (RA) patients. Methods: We enrolled 64 patients with RA (32 receiving biologic and 32 receiving conventional drugs) and 32 healthy subjects. Keratometric values (anterior flat [K1], steep [
Dilek Özkaya   +2 more
doaj   +1 more source

Astigmatism management in cataract surgery with Precizon(®) toric intraocular lens: a prospective study [PDF]

open access: yes, 2016
PURPOSE: The purpose of this study was to evaluate the visual and refractive outcomes and rotational stability of the new aspheric Precizon(®) toric intraocular lens (IOL) for the correction of corneal astigmatism in cataract surgery.
Brochado, M.   +7 more
core   +2 more sources

Longitudinal change of refraction over at least 5years in 15,000 patients [PDF]

open access: yes, 2018
Background: To report the natural, longitudinal history of shifts in refractive errors in different age groups in a large western European cohort over at least 5years in the same patients.
Brugger, Annette   +3 more
core  

A Comprehensive Evaluation of the Precision (Repeatability and Reproducibility) of the Oculus Pentacam HR [PDF]

open access: yes, 2011
This article is made available with the permission of the publisher, Association for Research in Vision and OphthalmologyPurpose.: To evaluate the precision (repeatability and reproducibility) of the Pentacam HR (high-resolution) tomographer (Oculus ...
Khadka, Jyoti   +2 more
core   +1 more source

Positional accommodative intraocular lens power error induced by the estimation of the corneal power and the effective lens position [PDF]

open access: yes, 2015
Purpose: To evaluate the predictability of the refractive correction achieved with a positional accommodating intraocular lenses (IOL) and to develop a potential optimization of it by minimizing the error associated with the keratometric estimation of ...
Camps, Vicente J.   +4 more
core   +4 more sources

Evaluation of Cornea and Anterior Chamber with Pentacam in Scleroderma Cases

open access: yesTürk Oftalmoloji Dergisi, 2011
Purpose: To evaluate the anterior segment structures with Pentacam in scleroderma patients. Materials and Methods: The 34 eyes (study group) of 17 scleroderma patients who attended our clinic were compared with 40 eyes (control group) of age-matched 20
Melis Palamar   +3 more
doaj   +1 more source

The effects of ocular and lens parameters on the postlens tear thickness. [PDF]

open access: yes, 2003
PURPOSE:To assess the effects of soft contact lens base curve radius (BCR), sex, ethnicity, central corneal curvatures, and vertical palpebral aperture size (PAS) on the postlens tear thickness (PLTT).
Chen, Ying Q   +2 more
core  

Visual and keratometric outcomes in eyes undergoing small incision lenticule extraction for compound myopic astigmatism

open access: yesJournal of the Egyptian Ophthalmological Society, 2019
Context The use of small incision lenticule extraction (SMILE) for compound myopic astigmatism has been subject to experimentation in the recent years. Furthermore, examination of corneal alterations has revealed conflicting conclusions, which could be ...
Ashraf H Soliman
doaj   +1 more source

Astigmatismo inducido en la cirugía de catarata por técnica de facoemulsificación Induced astigmatism in cataract's surgery by phacoemulsification technique

open access: yesRevista Cubana de Oftalmología, 2011
OBJETIVO: Determinar el astigmatismo inducido en la cirugía de catarata por la técnica de facoemulsificación, en los pacientes operados en el Instituto Cubano de Oftalmología "Ramón Pando Ferrer", en el período de enero a diciembre de 2007.
Anabel González Peña   +2 more
doaj  

Revisió de la potencia estadística i mida de la mostra en estudis de concordança d'equips de diagnòstic ocular [PDF]

open access: yes, 2016
En aquest treball s’ha realitzat una revisió de la potència estadística i mida de la mostra en estudis de concordança d'equips de diagnòstic ocular utilitzats en els camps de l’oftalmologia i l’optometria.
Homs Espinal, Marina
core  

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