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These are the sources and citations used to research Errores Refractivos. This bibliography was generated on Cite This For Me on Sunday. Esta borrosidad se denomina ‘error de refracción’ y es causada por una cada uno de lo diferentes errores refractivos y el efecto de un cristal (gafa) para su. “Hasta ahora, los errores refractivos que son comunes después de la cirugía de catarata sólo se podían corregir con anteojos, lentes de.

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Ocular morbidity in schoolchildren in Kathmandu.

Refractive Errors

Diagnostic criteria The diagnostic criteria used for refractive error was 0. The cornea and lens of your eye helps you focus. However, our finding was comparable to other school based reports, e. Abstract Purpose To evaluate the pattern of refractive errors among school children in Jhapa, Nepal. Hyperopia and astigmatism initially increased but later decreased with age. The materials taken with the team were internally illuminated Snellen vision chart model AME 20, appasamytorch lights, hand held slit lamp Heine Germanydirect ophthalmoscopes Heine BetaGermanyretinoscopes Heine BetaGermanytrial set, universal trial frames EmamiRAF rule.

Mike Hollenback for helping us edit the article. Global variations and time trends in the prevalence of childhood myopia, a systematic review and quantitative meta-analysis: All the children attending the schools visited were included in the study.

A cyclopentolate drop was instilled two times at an interval of 10 minutes, and refraction was carried out after 45 minutes from the first instillation. A total of children between 5 and 16 years of age were examined in the four schools that were included in the study.

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Please review our privacy policy. Private school students were usually exposed to opportunities like computer education, competitive education and extra curricular courses. Jhapa borders Ilam district in the north, Morang district in the west, the Indian state of Bihar in the south and east, and the Indian state of West Bengal in the east.

Chi-square test was performed to analyze differences in the refractive error between male and female, among different age group, and between government schools and the private school. Magnitude and distribution of refractive error in school children The magnitude of refractive error is given in Table 4. Author information Article notes Copyright and License information Disclaimer.

Refractive error among school children in Jhapa, Nepal

Ophthalmology4pp. Private schoolchildren had significantly higher refractive errors. Methods A cross-sectional study was designed to evaluate refractive status of school children in three government schools and a private school. Methods and methodology Sample size and study design A cross-sectional school-based study was conducted in students in three government schools of Jhapa: Tools and examination The materials taken with the team were internally illuminated Snellen vision chart model AME 20, appasamytorch lights, hand held slit lamp Heine Germanydirect ophthalmoscopes Heine BetaGermanyretinoscopes Heine BetaGermanytrial set, universal trial frames EmamiRAF rule.

Among these school children, Study on the refractive errors of school going children of Pokhara city in Nepal. Bull World Health Organ. American Academy of Ophthalmology Also in Spanish. Errores common refractive errors are Myopia, or nearsightedness – clear vision close up but blurry in the distance Hyperopia, or farsightedness – clear vision in the distance but blurry close up Revractivos – inability to focus close up as a result of aging Astigmatism – focus problems caused by the cornea The most common symptom is blurred vision.

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Presbiopia y errores refractivos | Patient Handouts | 5MinuteConsult

A complete eye examination was carried out in all children including slit lamp examination, fundus examination, retinoscopy and subjective refraction. For You Children Patient Handouts.

Current Opinion in Ophthalmology18 5pp. There were around 18 private schools available at http: Ophthalmology10pp. Prevalence of undetected refractive errors among school children. Gauri Shankar Shrestha a B.

An estimated million people over 5 years of age are visually impaired as a result of uncorrected refractive errors, of which 8 million are blind. Similarly astigmatism less than 1. Refractive Errors National Institutes of Health. In Pokhrel report, the prevalence of uncorrectable cause of vision impairment was reported in 0. This finding was in an agreement with studies by Nepal7 Pokhrel13 Sapkota and Niroula The patterns of refractive errors among the school children of rural and urban settings in Nepal.

A cross-sectional school-based study was conducted in students in three government schools of Jhapa: Myopia was the most common refractive problem.

Hence, a total ocular morbidity including refractive error was seen in Reducing visual deficits caused by refractive errors in school and preschool children: Statistical analysis All data were entered in the statistical package for social studies version National Center for Biotechnology InformationU.

National Eye Institute Also in Spanish. Astigmatism less than 1.