Karunanayake, K.M.K.S; Fernando, W.R.M; De Silva, K.M.S; Gajanayake, G.M.L.P; Weerasinghe, W.N.D; Wijenayake, U.K; Dharmaweera, M.N
(Sabaragamuwa University of Sri Lanka, 2019-11-14)
According to the World Health Organization (WHO), there are approximately 37 million people across the world who are visually impaired. Most of these visually challenged individuals
use a white cane to help them avoid ...