Kadavath Meethal, Najiya, Velumuri Lokapavani, Rashima Asokan, Lingam Vijaya, and Ronnie George. “SITA Standard Testing With Humphrey Visual Field Analyzer Versus Full Threshold Testing With Frequency Doubling Perimetry: A Comparison of Patient Preference and Perception”. Asian Journal of Ophthalmology 17, no. 1 (January 17, 2020): 45-55. Accessed March 29, 2024. https://asianjo.com/index.php/AsianJO/article/view/447.