Babu, Johnson, Suja Abraham, Minnu Biju, and Joicy Jose. “Impact of Digitalization in the Eye Strain During Covid-19 Lockdown Period: An Epidemiological Study”. Journal of Drug Delivery and Therapeutics 11, no. 1-s (February 15, 2021): 7-14. Accessed October 18, 2021. https://jddtonline.info/index.php/jddt/article/view/4672.