EEX 3093 Lecture Notes - Lecture 4: Vitamin A Deficiency, Visual Impairment

• School: University of Florida
• Department: Education - Special Education, School Psychology and Early Childhood Studies
• Course: EEX 3093
• Professor: Nelson Mary Ann

Document Summary

A child in the world goes blind every minute. 80% of global blindness is a result of five preventable conditions: vitamin a deficiency is the leading cause of global child blindness. 3. 4 million (3%) americans aged 40 and older are either legally blind or are visually impaired. Leading the increase is vision loss due to diabetes. In the next three decades, this figure will double. Blindness occurs mainly among children with birth weights lower than 2 lbs. 25,000 students ages 6-22 are served for visual impairments/blindness. Legally blind is 20/200 (corrected: that means a legally blind persons sees at 20 ft what a normally sighted person sees at. In florida, you only need passable vision in one eye to pass driver"s li(cid:272)ense vision test. Adaptations: low tech and high tech adaptations: magnifiers, test to speech software, web-based braille systems, braille keyboard, kurzweil reader, apps. Kurzweil-national federation of the blind reader (2006)