blindness in about 20 million people in 2010.23 In 2010, one in three blind people was blind due to cataract, while it was the reason of visual impairment in one out of six visually impaired people.24 According to a study, the total number of blind people is expected to rise up to 75 million by 202025 out of which 30.1 million are estimated to be blind due to cataract.26 In a 2004 US study, cataract was found to be responsible for approximately 50% of bilateral vision worse than 6/12 (20/40) among populations
Introduction Education is one of the most important aspects of human resource development and Poor school performance not only results in the child having a low self-esteem, but also causes significant stress to the parents so that , early school success is clearly related to later success and health Promoting optimal child health and development increases the likelihood of school success and is therefore important not only for children's immediate outcomes, but also for their future. Academic
adequate crossing time. Words on signals, and signs should be visible to pedestrians of different heights (including both adults and children), large enough for those with vision impairments to read, and their messages should be simple to understand. Signs and signals should meet current accessibility guidelines. Photo 2.10 : The example of pedestrian warning sign assembly in fluorescent yellow green Source: www.fredericton.ca 2.4.6 Signal Push Button Within business districts, main streets, and other