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  • Title: Burden of ocular morbidities and color blindness among school-attending children in a foothill town of Uttarakhand State.
    Author: Mittal SK, Mittal S, Saraswat NK, Kishore S, Agrawal A, Singh A, Samanta R, Bahurupi YA.
    Journal: Indian J Ophthalmol; 2022 Jan; 70(1):249-255. PubMed ID: 34937249.
    Abstract:
    PURPOSE: To estimate prevalence of common ocular morbidities including color blindness among school-attending children of an urban foothill town of Uttarakhand State in Northern India. METHODS: A cross-sectional study was conducted among school-going children of age group 6-16 years of standard I-XII. Schools were selected using population proportionate to the size sampling technique. Detailed ocular examination including color vision and unaided or aided visual acuity for various ocular morbidities was done. Data was entered into MS excel with statistical analysis using SPSS version 23 with significant P value <0.05. RESULTS: In total, 13,492 students (mean age 10.9 ± 2.7 years) with almost equal male to female ratio were screened. Overall prevalence of ocular morbidity was 23.2%, with refractive error (18.5%) on top, followed by color blindness (2.2%). The later was observed more among males (3.0%) as compared to females (1.4%) with significantly higher odds, OR = 2.3 (1.7-2.9) (P < 0.001). CONCLUSION: Refractive error has been the most common ocular morbidity, followed by color blindness. Earliest detection can prevent permanent disability and disappointment among youngsters when rejected from entering certain professions due to color vision defect.
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