Sapkota K, Sah D, Bhattarai S, Sharma A, Shrestha J, Shah D. Effectiveness of pencil push up therapy in patients with convergence insufficiency: a pilot study. Health Renaissance [Internet]. 2011 Dec. 9 [cited 2024 Dec. 26];9(3):157-61. Available from: https://nepjol.info./index.php/HREN/article/view/5583