Results 1 to 10 of about 4,363,698 (312)

How to prescribe spectacles for presbyopia

Community Eye Health Journal, 2006
What is presbyopia? As we grow older, the lens loses the ability to focus at close distances. Starting around the age of 40, near vision will slowly become worse, but distance vision will not be affected.
Rènée du Toit
doaj  

When someone has low vision

Community Eye Health Journal, 2012
As clinicians, being faced with a patient whose vision we cannot improve any further can make us feel like a failure. However, there are many ways to help such a person with low vision.
Clare Gilbert, Karin van Dijk
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Vision tests on spectacle lenses and contact lenses for optical myopia correction: a pilot study. [PDF]

BMJ Open Ophthalmol, 2022
Kaymak H, Neller K, Schütz S, Graff B, Sickenberger W, Langenbucher A, Seitz B, Schwahn H.   +7 more
europepmc   +1 more source

Evaluation of Contrast Sensitivity, Chromatic Vision, and Reading Ability in Patients with Primary Open Angle Glaucoma

Journal of Ophthalmology, 2016
Purpose. To compare contrast sensitivity, acquired color vision deficiency, and reading ability in patients with glaucoma at different stages of the disease and to establish correlations between visual field parameters and visual function scores. Methods.
Maria P. Bambo, Blanca Ferrandez, Noemi Güerri, Isabel Fuertes, Beatriz Cameo, Vicente Polo, Jose M. Larrosa, Elena Garcia-Martin   +7 more
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Sensitivity and Stability of Functional Vision Tests in Detecting Subtle Changes Under Multiple Simulated Conditions. [PDF]

Transl Vis Sci Technol, 2021
Chen Z, Zhuang Y, Xu Z, Chan LYL, Zhang S, Ye Q, Feng L, Lu ZL, Li J.   +8 more
europepmc   +1 more source

Convergence insufficiency

Kerala Journal of Ophthalmology, 2016
Convergence insufficiency is a common disorder of binocular vision in children and young adults. Common symptoms include eyestrain, headache, blurred vision, double vision, etc., Diagnosis of the condition involves a battery of tests for assessment of ...
Sanitha Sathyan, N F Beena, Dhanyasree Nair, Angel M Varughese   +3 more
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Computer Vision with Error Estimation for Reduced Order Modeling of Macroscopic Mechanical Tests

Complexity, 2018
In this paper, computer vision enables recommending a reduced order model for fast stress prediction according to various possible loading environments. This approach is applied on a macroscopic part by using a digital image of a mechanical test.
Franck Nguyen, Selim M. Barhli, Daniel Pino Muñoz, David Ryckelynck   +3 more
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A Study of Prevalence of Congenital Color - Blindness, among School Students in Hamadan City in 1995-96

پزشکی بالینی ابن سینا, 2000
This research  was  carried  out to   determine   the    prevalence   of    congenital  color  blindness  among  students  of  Hamadan city,  Iran, in    1995-96.          706pupils were surveyed by a random sample.Personal characteristics    such as
Ahmad Ramezani
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TESTING THE VISION IN SCHOOL CHILDREN. [PDF]

The Lancet, 1908
n ...
openaire   +2 more sources

Assessing Brain Processing Deficits Using Neuropsychological and Vision-Specific Tests for Concussion

Sports
Introduction: Since verbal memory and visual processing transpire within analogous cerebral regions, this study assessed (i) if a visual function can predict verbal memory performance.
Brent A. Harper, Rahul Soangra
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