Kavita, P., S. Bhaveen, N. Pujara, P. Pujara, and S. Patel. “: Ptosis Surgery On The Astigmatic Refractive Error”. National Journal of Integrated Research in Medicine, vol. 6, no. 3, Jan. 2018, pp. 6-9, doi:10.70284/njirm.v6i3.899.