Sharma, Shreyanshi; Tuli, Rajeev1; Ojha, Sushil; Saraswat, Neeraj K.; Sharma, Gaurav1. In the era of OCT, is detection of early papilledema using Frisen scale grading valid? A study to evaluate the role of spectral domain-OCT in papilloedema among the population of hilly areas of Northern India. TNOA Journal of Ophthalmic Science and Research 60(2):p 152-157, Apr–Jun 2022