Barriers to cataract surgeries as perceived by visually impaired 50 years and older cataract blind participants of Nepal survey for rapid assessment of avoidable blindness - Ranjan Shah; Sailesh Kumar Mishra; Rajiv Khandekar; Parikshit Gogate; Yuddha Dhoj Sapkota; Reeta Gurung; Mohan Krishna Shrestha; Islay Mactaggart; Ian McCormick; Brish Bahadur Shahi; Matthew Burton (PLoS ONE)