Results 71 to 80 of about 870 (171)

Accommodation deficit in children with Down syndrome: practical considerations for the optometrist

open access: yesClinical Optometry, 2015
Julie-Anne Little School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland, UKAbstract: Down syndrome is the most common cause of intellectual impairment, and life expectancy in this group has increased in recent decades, meaning ...
Little JA
doaj  

Retinoscopía estática versus retinoscopía dinámica [PDF]

open access: yes, 2015
Objectiu: Realitzar un estudi amb els resultats obtinguts de dues tècniques de retinoscopia, la estàtica i la dinàmica de Merchán, comparant-les amb els resultats finals obtinguts mitjançant l’examen subjectiu monocular de la refracció, per poder ...
Visa Solà, Ricard
core   +2 more sources

Dynamic BMP gene expression regulation in chick RPE during recovery from short term optical defocus and form-deprivation.

open access: yesPLoS ONE
PurposeThis study investigated the differential gene expression of BMPs in chick retinal pigment epithelium (RPE) during recovery from short term exposure to optical defocus and form-deprivation (FD) treatments.Methods14-day old White-Leghorn chicks wore
Yan Zhang   +9 more
doaj   +1 more source

Accommodative lag before and after near work [PDF]

open access: yes, 2015
Bakalaura darbs uzrakstīts latviešu valodā, datorsalikumā uz 39 lappusēm un satur 14 attēlus, 2 tabulas, un tajā ir izmantots 30 literatūras avoti. Darba mērķis: Darba mērķis ir noskaidrot, kā akomodācijas atpalikšanu ietekmē tuvuma darbs pie datora ...
Urtāne, Diāna
core  

Objective methods of refraction examination [PDF]

open access: yes
Introduction: Retinoscopy is an important method for the objective assessment of refraction, widely used for diagnosing vision disorders such as hyperopia, myopia, and astigmatism.
Petriman, Daniela
core  

Diagnostic signs of accommodative insufficiency [PDF]

open access: yes, 2002
PURPOSE: To determine which are the most sensitive tests, together with accommodative amplitude, to classify accommodative insufficiency (Al), we analyzed the relation between monocular estimated method (MEM) dynamic retinoscopy, monocular and binocular ...
Cacho Martínez, Pilar   +4 more
core  

Calibration and validation the Dynamic Photorefraction System (DPRS) [PDF]

open access: yes, 2014
Introduction: Our group has been measuring accommodation in myopic children. The instrument of choice has been the Power Refractor (Multichannel Systems). However, this instrumentation is no longer supported and runs on an outdated platform (Windows 98).
Labhishetty, Vivek
core  

Effectiveness of Accommodating Intra Ocular Lens [PDF]

open access: yes, 2015
Cataract surgery is effective in restoring distance vision. However, standard monofocal intraocular lenses (IOLs) have a fixed refractive power, leaving patients presbyopic and dependent on spectacles for near vision.
Yusran, Muhammad
core   +1 more source

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