Results 11 to 20 of about 2,322,259 (309)

Are we testing visual acuity adequately? [PDF]

open access: yesCommunity Eye Health Journal, 2018
Visual field testing has benefited from advances in computerised technology and is considered highly accurate and reliable, whereas visual acuity testing still relies on the examiner to apply their best judgement. Is it time to reconsider?
Eytan Blumenthal, Michael Mimouni
doaj   +1 more source

Evaluation of contrast visual acuity in patients with retinitis pigmentosa [PDF]

open access: yesClinical Ophthalmology, 2011
Kazumi Oomachi1, Kazuha Ogata2, Takeshi Sugawara2, Akira Hagiwara2, Akira Hata1, Shuichi Yamamoto21Department of Public Health; 2Department of Ophthalmology, Chiba University Graduate School of Medicine, Chiba, JapanBackground: The purpose of this study ...
Oomachi K   +5 more
doaj   +2 more sources

Baseline visual acuity strongly predicts visual acuity gain in patients with diabetic macular edema following anti-vascular endothelial growth factor treatment across trials

open access: yesClinical Ophthalmology, 2016
Pravin U Dugel,1,2 Jost Hillenkamp,3 Sobha Sivaprasad,4,5 Jessica Vögeler,6 Marie-Catherine Mousseau,7 Andreas Wenzel,8 Philippe Margaron,8 Ron Hashmonay,8 Pascale Massin9 1Retinal Consultants of Arizona LTD, Retinal Research Institute LLC, Phoenix,
Dugel PU   +8 more
doaj   +1 more source

Evaluation of a paper-based visual acuity questionnaire

open access: yesClinical Ophthalmology, 2017
Miki Uchino,1 Motoko Kawashima,1 Minako Kaido,1 Kazuhisa Suwaki,2 Yuichi Uchino,1 Ichiro Kawachi,3 Kazuno Negishi,1 Kazuo Tsubota1 1Department of Ophthalmology, Keio University School of Medicine, Tokyo, 2Santen Pharmaceutical Co., Ltd, Osaka, Japan ...
Uchino M   +7 more
doaj   +1 more source

Visual acuity and patient satisfaction at varied distances and lighting conditions after implantation of an aspheric diffractive multifocal one-piece intraocular lens [PDF]

open access: yesClinical Ophthalmology, 2016
Daniel H Chang Empire Eye and Laser Center, Bakersfield, CA, USA Purpose: The aim of the study is to evaluate the visual acuity and patient satisfaction at varied distances under photopic and mesopic lighting conditions in patients bilaterally ...
Chang DH
doaj   +1 more source

How to measure distance visual acuity

open access: yesCommunity Eye Health Journal, 2014
Visual acuity (VA) is a measure of the ability of the eye to distinguish shapes and the details of objects at a given distance. It is important to assess VA in a consistent way in order to detect any changes in vision. One eye is tested at a time.
Janet Marsden , Sue Stevens , Anne Ebri
doaj   +1 more source

Omega 3 fatty acids on child growth, visual acuity and neurodevelopment. [PDF]

open access: yes, 2012
The aim of this review is to evaluate the effects of omega-3 long chain polyunsaturated fatty acids (n-3 LCPUFA) supplementation in pregnant and lactating women and infants during postnatal life, on the visual acuity, psychomotor development, mental ...
Anjos, Tania   +8 more
core   +1 more source

Is the NEI-VFQ-25 a useful tool in identifying visual impairment in an elderly population? [PDF]

open access: yes, 2006
BACKGROUND: The use of self-report questionnaires to substitute for visual acuity measurement has been limited. We examined the association between visual impairment and self reported visual function in a population sample of older people in the UK ...
Fletcher, AE   +23 more
core   +2 more sources

Visual acuity measures do not reliably detect childhood refractive error--an epidemiological study. [PDF]

open access: yes, 2012
PURPOSE: To investigate the utility of uncorrected visual acuity measures in screening for refractive error in white school children aged 6-7-years and 12-13-years.
Nicola S Logan   +19 more
core   +2 more sources

A close eye on the eagle-eyed visual acuity hypothesis of autism [PDF]

open access: yes, 2011
Autism spectrum disorders (ASD) have been associated with sensory hypersensitivity. A recent study reported visual acuity (VA) in ASD in the region reported for birds of prey. The validity of the results was subsequently doubted.
Henrik Walter   +49 more
core   +1 more source

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