Results 51 to 60 of about 3,616,800 (230)

Does Long-Term Night Shift Work Cause Dry Eye in Hospital Nurses?

open access: yesJournal of Ophthalmic & Vision Research, 2023
Purpose: To determine the long-term effects of night shift work on dry eye in hospital nurses. Methods: Each participant was evaluated four times, including at the beginning of the day shift (8 am), at the end of the day shift (2 pm), at the beginning of
Aria Bouyeh   +9 more
doaj   +1 more source

A fast high-order solver for problems of scattering by heterogeneous bodies [PDF]

open access: yes, 2003
A new high-order integral algorithm for the solution of scattering problems by heterogeneous bodies is presented. Here, a scatterer is described by a (continuously or discontinuously) varying refractive index n(x) within a two-dimensional (2D) bounded ...
Bruno, Oscar P., Sei, Alain
core   +1 more source

Prevalence and associated factors of uncorrected refractive errors among school children in suburban areas in Bandung, Indonesia

open access: yesCogent Medicine, 2020
Refractive errors lead to visual impairment if they are uncorrected. The prevalence of uncorrected refractive errors in children is considerably high, even though they can be easily corrected with spectacles.
Aldiana Halim   +6 more
doaj   +1 more source

Knowledge and Preference for Refractive Surgery and Preferred Methods of Refractive Correction among Patients with Significant Refractive Errors Attending Bharatpur Eye Hospital, Nepal

open access: yesJournal of Nobel Medical College, 2020
Background: Refractive errors are a major cause of defective vision in all age groups. Although contact lens and refractive surgery are popular, still spectacles are the traditional and most widely used method of optical correction. The main objective of
Puspa Giri, Gopal Bhandari, Ranjeet Sah
doaj   +1 more source

Evaluation of refractive errors in retinopathy of prematurity screening [PDF]

open access: yesMedicinski Glasnik, 2019
Aim To evaluate the frequency of refractive errors in premature children in retinopathy of prematurity (ROP) screening to find mutual connection of the prematurity level, disease activity and refractive errors.
Aida Pidro   +3 more
doaj   +1 more source

Prevalence of Amblyopia and Refractive Errors Among Primary School Children

open access: yesJournal of Ophthalmic & Vision Research, 2015
Purpose: To determine the prevalence of amblyopia and refractive errors among 7 to 12-year-old primary school children in Tehran, Iran. Methods: This population-based cross-sectional study included 2,410 randomly selected students.
Z. Rajavi   +9 more
semanticscholar   +1 more source

Impact of Ramadan fasting on intraocular pressure, visual acuity and refractive errors [PDF]

open access: yes, 2011
Introduction: Fasting evidently influences a variety of physiological parameters that can impact the ocular system. Among these modifications are alterations in insulin secretion, sympathetic activity, free fatty acids, lipid profile, melatonin ...
Afarid, M   +7 more
core  

A clinic-based study of refractive errors, strabismus, and amblyopia in pediatric age-group

open access: yesJournal of Family and Community Medicine, 2015
Purpose: The purpose of this cross-sectional observational study was to determine the distribution and patterns of refractive errors, strabismus, and amblyopia in children seen at a pediatric eye care.
Elham R. Al-Tamimi   +4 more
semanticscholar   +1 more source

Color vision deficiency

open access: yesمجله دانشگاه علوم پزشکی گرگان, 2016
Color vision deficiency (CVD) is a defect of vision with disability to distinguish colors. Color vision deficiency can be divided into the two categories, congenital and acquired.
M Mahjoob M   +2 more
doaj  

Prevalence of Refractive Error and Associated Risk Factors in School-Age Children in Nepal: A Cross-sectional Study

open access: yesJournal of Lumbini Medical College, 2021
Introduction: The most common visual disorder in school age children is refractive error globally. The present study aimed to know the prevalence of refractive errors and explore the factors associated with the refractive error in school-age children in ...
Keshav Raj Bhandari   +3 more
doaj   +1 more source

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