Jyoti Dhaka and Ashok Kumar Grover 2020. Unilateral Versus Bilateral Frontalis Suspension Sling Surgery for Correction of Severe Unilateral Congenital Ptosis. Asian Journal of Medical Research. 9, 1 (Apr. 2020), OT05-OT08. DOI:https://doi.org/10.47009/ajmr.2020.9.1.OT2.