Results 21 to 30 of about 30,419 (187)

A standardized logarithm of the minimum angle of resolution visual acuity chart in Hindi

open access: yesIndian Journal of Ophthalmology, 2018
Purpose: The purpose of this study to develop and calibrate a new Hindi logarithm of the minimum angle of resolution (logMAR) visual acuity chart. Methods: A new Hindi visual acuity chart was designed to logMAR specifications using Hindi optotypes ...
Ananth Sailoganathan   +2 more
doaj   +1 more source

Segmentos de anillos corneales intraestromales para el manejo de ectasia de aparición tardía tras queratotomía radiada

open access: yesRevista Mexicana de Oftalmología, 2023
Objective: To report the uncommon scenario of post-radial keratotomy (RK) ectasia and the subsequent management with intrastromal corneal ring segments (ICRS). A 50-year-old male with a history of RK 12 years prior presented with a complaint of decreased
Gustavo Ortiz-Morales   +4 more
doaj   +1 more source

Crowded letter and crowded picture logMAR acuity in children with amblyopia: a quantitative comparison [PDF]

open access: yesBritish Journal of Ophthalmology, 2016
Aims Clinically, picture acuity tests are thought to overestimate visual acuity (VA) compared with letter tests, but this has not been systematically investigated in children with amblyopia. This study compared VA measurements with the LogMAR Crowded Kay Picture test to the LogMAR Crowded Keeler Letter acuity test in a group of young children with ...
O'Boyle, Cathy   +2 more
openaire   +2 more sources

Visual performance after trifocal versus extended range of vision presbyopia-correcting intraocular lenses

open access: yesDelta Journal of Ophthalmology, 2018
Purpose The purpose of this article is to compare visual outcomes after cataract surgery with implantation of two intraocular lenses (IOLs): extended range of vision and trifocal.
Ahmed Abd El Kareem El-Massry   +3 more
doaj   +1 more source

Remote Monitoring of Visual Function in Patients with Maculopathy: The Aphelion Study

open access: yesOphthalmology and Therapy, 2023
Introduction Remote monitoring of vision, using tools such as the shape discrimination hyperacuity (SDH) test, can detect disease activity in patients with maculopathy.
Anthony Joseph   +5 more
doaj   +1 more source

Investigation of contrast visual acuity with rigid gas permeable contact lenses after penetrating Keratoplasty

open access: yesBMC Ophthalmology, 2023
Background To investigate the effects of rigid gas permeable contact lens (RGP-CL) wear on contrast visual acuity in patients after penetrating keratoplasty.
Ju Zhang   +7 more
doaj   +1 more source

A comparative study of stereopsis measurements: analyzing natural conditions versus dichoptic presentation using smartphones and ultraviolet printer technology [PDF]

open access: yesPeerJ
Background Accurate differentiation between stereopsis assessments in the natural and dichoptic presentation states has proven challenging with commercial stereopsis measurement tools.
Lu Liu   +4 more
doaj   +2 more sources

Intravitreal Ranibizumab for Subfoveal Choroidal Neovascularization from Age-Related Macular Degeneration with Combined Severe Diabetic Retinopathy [PDF]

open access: yesDiabetes & Metabolism Journal, 2015
BackgroundTo evaluate the efficacy of intravitreal ranibizumab for subfoveal choroidal neovascularization (CNV) from age-related macular degeneration (AMD) with combined severe diabetic retinopathy (DR).MethodsThis retrospective, interventional case ...
So Young Han   +4 more
doaj   +1 more source

KARTU LOGMAR 50 CM DALAM PEMERIKSAAN REFRAKSI SUBYEKTIF

open access: yesJurnal Mata Optik, 2021
The recently challanges nowadays are do the eye examination without face to face. Condition of disability patients that physiologicly couldn’t bear at sitting position, the changes of customer behaviour and pandemic covid – 19 situation drives needs of - easy, convenient and safe -  eye examination indirectly by cyberspace.
Marta Angkawijaya   +3 more
openaire   +1 more source

The Test-Retest Variability of the COMPlog System in Participants with Induced Non-Normal Visual Acuity

open access: yesBritish and Irish Orthoptic Journal, 2019
Aim: The aim of this study was to determine and compare test-retest variability (TRV) of the computerised visual acuity (VA) COMPlog system on participants with normal vision and non-normal vision induced by bangerter foils (BFs).
Mun Wei Kan, Anne Bjerre
doaj   +1 more source

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