Results 121 to 130 of about 14,451 (267)

Laser refractive correction of presbyopia

open access: yesIndian Journal of Ophthalmology
Presbyopia is an inevitable and progressive loss of the eye’s ability to focus on nearby objects due to aging, which affects everyone regardless of their refractive error.
Sri Ganesh, Sushmitha Samak Sriganesh
doaj   +1 more source

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  

Presbyopia correction using the monocular bi-aspheric ablation profile in myopic eyes

open access: green, 2022
Soyoung Ryu   +8 more
openalex   +2 more sources

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  

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  

Borosilicate and Polyurethane as Materials for Lenses to Correct Human Presbyopia

open access: diamond, 2018
Ali H. Al-Hamdani   +3 more
openalex   +1 more source

Home - About - Disclaimer - Privacy