Results 31 to 40 of about 3,196,627 (365)
The present study was conducted to investigate the effect of parental refractive errors on myopic children in Korean families using a nationally representative survey.
D. Lim+4 more
semanticscholar +1 more source
Congenital ptosis may be associated with abnormalities of visual development and function, including amblyopia, strabismus and refractive errors. However, the prevalence estimates of these abnormalities vary widely.
Yijie Wang+4 more
semanticscholar +1 more source
Refractive errors among medical students in Jordan: prevalence, types and possible risk factors
Aim: This study aims to determine the prevalence of refractive errors among medical students in Jordan. Materials & methods: Cross-sectional model through an online questionnaire was conducted.
Asem A Alqudah+2 more
doaj +1 more source
The prevalence of uncorrected refractive errors in underserved rural areas
Purpose: To determine the prevalence of uncorrected refractive errors, need for spectacles, and the determinants of unmet need in underserved rural areas of Iran.
Hassan Hashemi+4 more
doaj +1 more source
Prevalence and Burden of Refractive Errors at National and Sub-national Levels in Iran
Purpose: To estimate the prevalence, burden of refractive errors and their associated trend from 1990 to 2018 and geographic inequalities in Iran. Methods: Data regarding the epidemiology of refractive errors was extracted from three different sources ...
Seyed Mohammadi+6 more
doaj +1 more source
Prevalence of refractive errors in Tibetan adolescents
BackgroundThe prevalence of adolescent eye disease in remote areas of the Qinghai-Tibet Plateau has rarely been reported. To understand the prevalence of common eye diseases in Tibet, we performed ocular-disease screening on students from primary and ...
Xuehan Qian+12 more
semanticscholar +1 more source
Agreement between methods of retinoscopy, conventional subjective refraction and fogging subjective refraction [PDF]
Purpose: to compare the refractive error measurements achieved through three distinct techniques: retinoscopy, subjective method, and the subjective fogging method. Methods: Participants included 223 young adults aged 18 to 36 years (mean age: 25.63±5.31)
Atefeh Kebriaei+6 more
doaj +1 more source
A fast high-order solver for problems of scattering by heterogeneous bodies [PDF]
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
Purpose: The aim of this study was to analyze and compare corneal endothelial cell morphology and characteristics in bilateral keratoconus (KCN) patients with unilateral Vogt's striae. Methods: Fifty patients aged 20–38 years were recruited in this cross-
Hadi Ostadi-moghaddam+5 more
doaj +1 more source