Pattern of Refractive Errors and Disturbances of Binocular Vision in Medical College Students
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 3
Abstract
Introduction: The present study is an attempt to work out the pattern of refractive errors and disturbances of binocular vision in 1265 medical college students, who are subjected to visual stress of higher education. Material and Methods: Nine successive batches seeking admission to 1st year MBBS at Government Medical College, Patiala, Punjab, India from 2007 to 2016 were subjected to vision testing on distant vision testing snellen’s chart, retinoscopic examination, Maddox rod test, and range of fusion on synaptophore. Results: 175 (34.6%) students were found to be myopic and only 27 students (5.3%) were hypermetropic with or without astigmatism. 51 female students (33.7%) were myopic as compared to 39 male students (25.7%). Astigmatism of 0.6 D or more with or without spherical errors was exhibited by 47 students (9.3%). Exophoria on Maddox rod was found to be more common than esophoria and was maximum in the range of 0-4 prism dioptres, i.e., 640 students (50.6%). On synoptophore, in 775 students (61.34%) adduction fusional range was between 0 and +12 indicating convergence insufficiency. Conclusion: The study shows that myopia and convergence insufficiency are common in medical college students.
Authors and Affiliations
Harsimran Singh, Ishwar Singh, Ekta Singla, Sachin Walia
Keywords
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