Results 111 to 120 of about 12,552 (221)

Prevalence and associated factors of presbyopia among school teachers in Gondar City, Northwest Ethiopia, 2016

Clinical Optometry, 2017
Hiwot Berhanu Andualem, Natnael Lakachew Assefa, Dawit Zenebe Weldemichael, Tsehay Kassa Tefera Department of Optometry, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia Introduction: Presbyopia is an age ...
Andualem HB, Assefa NL, Weldemichael DZ, Tefera TK   +3 more
doaj  

Simple multifocal lens based on liquid crystals [PDF]

, 2017
C
De Smet, Herbert, Shang, Xiaobing, Vanhaverbeke, Celine, Vasquez Quintero, Andrés Felipe   +3 more
core   +1 more source

PRESBYOPIA [PDF]

British Journal of Ophthalmology, 1962
openaire   +2 more sources

Extended Depth of Focus Intraocular Lenses as a Correction for Presbyopia

Okulistyka
Presbyopia is pathophysiological process that begins after age of 40 years, associated with the loss of accommodation. This results in blurred vision of nearby objects.
Katarzyna E. Nowik, Justyna Izdebska, Karolina Pielak-Modrzejewska, Jacek P. Szaflik   +3 more
doaj   +1 more source

Surgical interventions for presbyopia

Cochrane Database of Systematic Reviews
Presbyopia is a progressive condition that everyone who lives long enough will experience, irrespective of gender, ethnicity, or economic status. A wide range of surgical options has emerged for overcoming near and intermediate visual impairment; however, questions about the effectiveness and safety of these interventions remain unanswered.
Alvarado-Villacorta, Rosa, Yim, Tsz Wing, Hernandez-Quintela, Everardo, De La Torre-Gonzalez, Enrique, Loza Munarriz, Cesar Antonio, Martinez-Zapata, Maria José   +5 more
openaire   +3 more sources

Near visual acuity in an inner city Hispanic community: understanding the barriers and benefits of correction

Community Eye Health Journal, 2014
Presbyopia is age-related loss of accommodation that gradually impairs near vision. Few studies have examined the burden of presbyopia in the United States of America (USA) and none have examined it in economically disadvantaged or minority populations ...
Thomas Wubben , Gregory Wolfe , Christopher Guerrero, Wanda Jettka Korcz , David J Ramsey   +4 more
doaj  

Aikuisnäköopas - tietoa aikuisnäöstä työterveyshoitajille : verkkosivuston toteutus [PDF]

, 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  

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

, 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., Griffiths , H.J., Leach , C.M., Rennie, I.G.   +3 more
core  

Accommodation Dynamics [PDF]

, 2017
Gray, Lyle S., Winn, Barry
core   +1 more source

Comparison of Different Presbyopia Treatments: Refractive Lens Exchange with Multifocal Intraocular Lens Implantation Versus LASIK Monovision [PDF]

, 2010
There are several methods for presbyopia treatment. Refractive lens exchange (RLE) followed by multifocal intraocular lens (MFIOL) implantation enables high rate of spectacle independance but have some visual disturbances.
Ante Barišić, Branka Jurić, Iva Dekaris, Ivana Romac, Maja Bohač, Nikica Gabrić   +5 more
core   +1 more source