Shalini Mohan, Jayati Pandey, Kushwaha RN, Singh Parul, and Khan P. 2020. “Optic Nerve Sheath Diameter in Glaucoma Patients and Its Correlation With Intraocular Pressure”. UP Journal of Ophthalmology 8 (01):33-37. https://upjo.org/index.php/upjo/article/view/433.