Results 111 to 120 of about 12,425 (219)

Patterns of Nonlinearity in the Ratio of Stimulus Accommodative Convergence to Accommodation

open access: yes, 1996
Background: This study disputes the assumption that the stimulus accommodative convergence to accommodation (AC/A) ratio is linear. Subjects and Methods: Accommodative convergence induced by minus lenses of varying power (-1.50 to -6.00DS, at intervals
Firth, A.Y.   +3 more
core  

Aikuisnäköopas - tietoa aikuisnäöstä työterveyshoitajille : verkkosivuston toteutus [PDF]

open access: yes, 2009
Opinnäytetyön tarkoituksena oli tuottaa tietoa aikuisnäöstä ja siihen liittyvistä näkemisen ongelmista työterveyshoitajien käyttöön. Työterveyshoitajat ovat työssään ensisijaisesti tekemisissä aikuisnäköisten henkilöiden kanssa, ja sen vuoksi on tärkeää,
Poutsalo, Leea, Rossi, Emmi
core  

Prevalence of presbyopia and spectacle correction coverage in a rural population of North West Nigeria

open access: yesClinical Ophthalmology, 2015
Murtala Muhammad Umar,1 Nasiru Muhammad,2 Mahmoud B Alhassan3 1Zamfara State Eye Care Programme, King Fahad IBN Abdul-Azeez Women and Children Hospital, Zamfara State, Nigeria; 2Ophthalmology Unit, Surgery Department, College of Health Sciences Usmanu ...
Umar MM, Muhammad N, Alhassan MB
doaj  

Presbicia: ¿hacia dónde vamos? [PDF]

open access: yes, 2018
Introducción : L a acomodación es el mecanismo que nos permite enfocar a distancias cercanas, sin embargo, con la edad, los componentes oculares que lo llevan a cabo se deterioran y se pierde progresivamente esta capacidad.
Sánchez García, María Victoria
core  

Efecto de la adición de las lentes de contacto multifocales en la sensibilidad al contraste y la estereopsis. Estudio piloto [PDF]

open access: yes, 2016
Las lentes de contacto (LC) multifocales pueden disminuir la función visual, atribuyéndose el efecto a factores como la refracción del sujeto, grado de presbicia, envejecimiento ocular, diseño de la LC, etc.
Blanco Vázquez, Marta
core  

Intraocular Pressure Changes Before and After Presbyopic Optical Correction in Early Presbyopic Adults [PDF]

open access: yesFunction and Disability Journal
Background and Objectives: This study aims to evaluate the effects of optical correction of presbyopia on intraocular pressure (IOP) in newly diagnosed presbyopic individuals aged 40 to 50 years.
Ali Mirzajani   +2 more
doaj  

Presbyopia

open access: yesOpen Access Journal of Ophthalmology, 2023
openaire   +1 more source

Presbyopia, Dry Eye, and Retinal Thickness in the Middle-Aged Population: Focusing on Sex Differences

open access: yesClinical Optometry
Masahiko Ayaki, Akiko Hanyuda, Kazuno Negishi Department of Ophthalmology, Keio University School of Medicine, Tokyo, JapanCorrespondence: Masahiko Ayaki; Kazuno Negishi, Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi ...
Ayaki M, Hanyuda A, Negishi K
doaj  

Current Trends in Presbyopia Correction-A Comprehensive Review. [PDF]

open access: yesJ Clin Med
Trojacka E   +4 more
europepmc   +1 more source

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