Verma, Ritesh, Manisha Rathi, C. S. Dhull, Sumit Sachdeva, and Jitender Phogat. 2018. “Prevalence and Causes of Low Vision Among Urban and Rural School Children”. International Journal Of Community Medicine And Public Health 5 (12):5310-15. https://doi.org/10.18203/2394-6040.ijcmph20184808.