Results 11 to 20 of about 67,587 (259)
PLoS ONE, 2022 IntroductionGlobally, the prevalence of refractive error was 12%, and visual impairment due to refractive error was 2.1%. In sub-Saharan Africa, the prevalence of refractive error and visual impairment due to refractive error was 12.6% and 3.4 ...
Daniel Atlaw +15 more
doaj +1 more source
BMC Ophthalmology, 2023 Purpose By comparing the results of the new self-contained darkroom refractive screener (YD-SX-A) versus table-top autorefractor and cycloplegic retinoscopy, to evaluate the performance of the YD-SX-A in detecting refractive error in children and ...
Xianxian Wei +10 more
doaj +1 more source
Prevalence of refractive errors among the school-going children in East Sikkim
Indian Journal of Ophthalmology, 2021 Purpose: Vision plays an important role in child's development for learning and communication. Uncorrected refractive error (URE) has become a major challenge to health care policy makers especially in school going children.
Karma Loday Bhutia +3 more
doaj +1 more source
ADVANCED KERATOCONUS WITH LOW REFRACTIVE ERROR [PDF]
Egyptian Journal of Clinical Ophthalmology, 2018 In this report we are presenting a 28-year-old female with right keratoconus grade3 and leftkeratoconus grade 2 with low degree refraction (spherical equivalent in right eye = -2.25 and+0.75D in left eye).
Mostafa, E., Mounir, A.
doaj +1 more source
Stereoacuity after photorefractive keratectomy in myopia
Journal of Current Ophthalmology, 2016 Purpose: Stereopsis, as a part of visual function, is the ability of differentiating between the two eyes' views (binocular disparity), due to the eyes' different positions.
Siamak Zarei-Ghanavati +4 more
doaj +1 more source
Assessment of Refractive Status of 5-15 Years Old Children Attending Government Schools of Rural Agra [PDF]
Healthline, 2022 Introduction: In children uncorrected refractive errors have a profound effect on educational and psychosocial development hence it is necessary to estimate the prevalence both at the community and at the school level to aid planning and implementation ...
Himanshu Kumar Yadav +4 more
doaj +1 more source
Application of big-data for epidemiological studies of refractive error.
PLoS ONE, 2021 PurposeTo examine whether data sourced from electronic medical records (EMR) and a large industrial spectacle lens manufacturing database can estimate refractive error distribution within large populations as an alternative to typical population surveys ...
Michael Moore +5 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
Profile of refractive error in Ekiti, south western Nigeria
African Vision and Eye Health, 2018 Background: 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