Kumar, Rajesh, Malhar Vyas, and Neebha Passi. “Variability of the Synoptophore for Measuring Fusional Vergence in Intermittent Exotropia”. Journal of Neonatal Surgery 14, no. 14S (August 8, 2025): 924–930. Accessed September 12, 2025. https://www.jneonatalsurg.com/index.php/jns/article/view/8801.