Understanding papilledema: Insights into its clinical presentation across diverse etiologies. - Balasubramaniam, Niranjana; Narayanamoorthy, Jayasri; Palanichamy, Nikila; Shanmugam, Mahesh K; Akkayasamy, Kowsalya; Sundar, Balagiri (Indian Journal of Ophthalmology, 2025)