Grand Canyon University
Robert Tate
April 1, 2014
Instructor- Kendra Williamson-Henriques
Hearing and Visual Impairments 2
Visual Impairments Understanding the struggles that hearing and visual impaired people go through has to be a tough challenge for them. Using their senses and other abilities to comprehend and communicate is truly extraordinary. They live their lives to the fullest and do not want anyone’s sympathy. Learning about how visual impairments take place must not be noted until we find out how a person can see. There are three functions for seeing: optical system, muscular system, and the nervous system, all play a role in how a person uses their vision. According to the IDEA, (Individuals with Disabilities Education Act), any human being whose vision is 20/200 or less is considered legally blind (Heward, 2013). The educational definition when referring to learning states, an impairment in vision that disrupts a child’s ability to succeed in educational performance. Damage to the optical, muscular or nervous system can cause a visual impairment. Types of visual impairments include cataracts, color blindness and glaucoma. When it comes to academic achievement students will not be left behind when it comes to visual impairments. For students who are blind the use of braille is the way of reading and writing in which letters numbers and words are in arrangements of raised dots on the book or paper. Computers have special keyboards for students with visual aids so that the use of technology is not taking away from the student. Students with low vision have the options of optical aids where magnification plays a huge role in helping the student see.
Hearing Impairments A person has the ability from