Results 21 to 30 of about 1,813,871 (298)
Profile of refractive error in Ekiti, south western Nigeria
African Vision and Eye Health, 2018 Background:Â Refractive error is one of the eye disorders with the capability of causing visual impairment. We needed to know the various types and proportion of refractive errors seen in patients attending an eye clinic at the tertiary health centre ...
Iyiade A. Ajayi +2 more
doaj +1 more source
JAMA: The Journal of the American Medical Association, 1895 These eighteen propositions will assist the beginner to more readily understand the many pages treating of the same subjects in all our text-books. With a second lecture on the lenses which correct the errors of refraction, and a third lecture on the frames which hold the lenses which correct the errors of refraction, we will have completed the "House
openaire +1 more source
PLoS ONE, 2021 BackgroundRefractive error is one of the commonly encountered problems during pregnancy and being the cause of deleterious effects on health. Despite its impacts, there is no evidence on the magnitude and associated factors of refractive error among ...
Mengistie Diress +6 more
doaj +1 more source
Refractive change following pseudophakic vitrectomy: a retrospective review [PDF]
, 2008 Background To assess the occurrence and magnitude of refractive change in pseudophakic eyes undergoing 20 gauge pars plana vitrectomy without scleral buckling and to investigate possible aetiological factors.
Byrne Sinead +15 more
core +2 more sources
Refractive error among school children in Jhapa, Nepal
Journal of Optometry, 2011 Purpose: To evaluate the pattern of refractive errors among school children in Jhapa, Nepal. Methods: A cross-sectional study was designed to evaluate refractive status of 2236 school children in three government schools and a private school.
Gauri Shankar Shrestha +2 more
doaj +1 more source
, 2022 ROC showing the ability of CR in correctly differentiating eyes with refractive error (>0.5D) from eyes without refractive error.
Joshua R. Ehrlich (5478770) +5 more
core +1 more source
Cogent Medicine, 2021 To estimate the prevalence and distribution of uncorrected refractive error among school children in the Bongo District of Ghana. A descriptive cross-sectional study was conducted among 12–15-year-old children in eighteen public junior high schools in ...
Frederick A Asare, Priya Morjaria
doaj +1 more source
IEEE Access, 2022 Subjective accommodation refractive error models are essential for implementing adaptive vision correction devices that utilize varifocal optics. This article describes compact empirical models of subjective accommodative refractive errors in subjects ...
Mohit U. Karkhanis +7 more
doaj +1 more source