Waqar, S, C Holdstock, and N Evans. “Patient Reported Evaluation of Functional Symptoms (PREFS): A Simple Method of Ascertaining Patient Satisfaction Post Cataract Surgery”. Nepalese Journal of Ophthalmology 4, no. 2 (July 27, 2012): 346–347. Accessed July 18, 2024. https://nepjol.info/index.php/NEPJOPH/article/view/6562.