In 103 (2.6%) children, acuity was 20/40 or worse in both eyes, including 7 (0.18%) children who were blind, with acuity less than 20/200 in the better eye. ResultsOut of 2236 students, refractive error was present in 192 (8.58%). Villages with an estimated population of less than 700 were combined with other small village(s), whereas those with populations of more than 1450 were subdivided, to create 248 clusters. Jialiang (2000)4 in 12.8% in China, Trivedi (2006)11 in 2.7% in Gujrat, and Pokhrel (2000) in 1.62% in Jhapa. have a peek here
North-western Ethiopia Ethiop J Health Dev. 2003;17:117–124.10. Emmetropia (Figure 1) was observed in 1762 (78.8%) whereas hypermetropia around + 0.5 D after cycloplegic refraction was observed in 282 students (12.6%).Figure 1Distribution of refractive error in school children.At the age of Reproducibility of visual acuity measurements, objective refraction, and autorefraction was assessed between the two ophthalmic technicians during the pilot. The survey was approved by the Ethics Committee of the L. Refractive error was prevalent in 9.8% (106/1086) male and 7.5% (86/1150) female. http://www.ncbi.nlm.nih.gov/pubmed/11867575
Acta Ophthalmol (suppl) 98:1-172, 1968. 4.Hyams SW, Pakotilo E, Shkurko G. Koirala Lions Centre for Ophthalmic Studies, Institute of Medicine, Tribhuvan University, Maharajgunj, Kathmandu, Nepalb Mechi Eye Hospital, Birtamod, Jhapa, Nepal Received 11 December 2010, Accepted 02 January 2011 AbstractPurposeTo evaluate Distribution of magnitude of myopia, hypermetropia and astigmatism was insignificantly different between male and female.Table 4.Magnitude of refractive error Type and magnitude of refractive error Total, n (%) Male, n (%)
Prasad Eye Institute, Hyderabad, India; theCentre for Social Services, Administrative Staff College of India, Hyderabad, India; Lalit Dandona From the International Centre for Advancement of Rural Eye Care, L. Mike Hollenback for helping us edit the article. Distribution of students is given in Table 1. Pubmed Twenty-four percent of children had never been in school.
Nep J Oph. 2010;2:114–120. [PubMed]14. Prevalence Of Refractive Errors In Indian Children Ocular motility was evaluated at both 0.5 and 4.0 m. The myopia of 2-6 diopters was most common in 48.8%. The mandals selected and their estimated population in 2000 were: Bijanapally (66,400), Gopalpet (55,700), Nagarkurnool (44,000), Tadoor (37,900), and Telkapalle (47,900).
AcknowledgementsWe would like to heartily thank Mr. Overall, 31 children had hyperopia, a prevalence of 0.78% (95% CI, 0.49%–1.07%; deff = 0.983), and 163 children had myopia, representing a prevalence of 4.1% (95% CI, 3.3%–4.9%; deff = 1.562). Uncorrected visual acuity of 20/32 or better in at least one eye was found in 3885 (97.3%), corresponding to 109 (2.7%) with acuity of 20/40 or worse in both eyes (Table Refractive error was significantly prevalent (χ2=3.707, df=1, p=0.05, ODD=1.3) in male (9.76%) than in female students (7.48%).
NLM NIH DHHS USA.gov National Center for Biotechnology Information, U.S. click 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 Prevalence Of Refractive Error In India Se realizó la prueba estadística de la χ2 para analizar la incidencia de error refractivo por géneros, grupos de edad y tipos de escuelas. Prevalence Of Refractive Error In The World After obtaining written consent, participants had uncorrected and corrected visual acuity tests and cycloplegic refraction at the school site.
The findings in this survey are comparable with the ones obtained in the current study. From a public health perspective, vision screening is an appropriate strategy to reduce vision impairment. Description of prevalence of refractive error was also different in our study from Pokhrel report. Children who could not keep the scheduled date were given another date within the same week or were offered an examination near the end of the study. http://supercgis.com/refractive-error/refractive-error-in-school-children.html There is an apparent need for parental as well as school education programs along with effective strategies for providing school-based vision screening, quality optometric services, and provision of providing affordable spectacles.Conflict
The difference in visual impairment at initial examination between these urban and rural populations would have been even greater, approaching a threefold difference, had not a higher percentage of children in Prevalence of amblyopia among schoolboys in Abha city, Asir region, Saudi Arabia. Prasad Eye Institute, Hyderabad, India Correspondence Address:V KalikivayiPublic Health Ophthalmology Service, L.V.
Inicialmente la hipermetropía y el astigmatismo aumentaron, pero luego disminuyeron con la edad.ConclusiónEl error refractivo era un problema significativo en los niños en edad escolar en Jhapa. Ophthalmol. Myopia was found to increase as age advanced. Out of the total, 30 (0.7%) children had strabismus.
Can J Ophthalmol 20:241-245, 1985. 7.Garner LF, Kinnear RF, Klinger JD, McKellar MJ. Negrel,E. Higher risk of myopia in children of older age was of borderline statistical significance (P = 0.069). Pokharel; Leon B.
Gov'tResearch Support, U.S. In Pokhrel (2000) report, the prevalence of uncorrectable cause of vision impairment was reported in 0.44% had best-corrected visual acuity 0.5 (6/12) or worse in the better eye. The two data points at the extreme ends represent −4.50 D or worse and greater than +4.50 D.View OriginalDownload Slide Table 1. View Table Distribution of Enumerated and Examined Children by Age and