visual impairment

Vision Impairments " People catergorized as visually impaired range from individuals with mild visual losses to those with low vision to those who are totally blind" (Winzer,370). Vision impairments does not necessarily mean a total loss of sight. Some visually impaired person can detect light, others can see shapes and forms, and others can see nothing at all. Generally, many different problems that interfere the retina to form image or the transmission of retinal images to …

…or is a carrier of that trait. Albinism affects the production of melanin"(Winzer,379). A lack of melanin in the retina, iris and choroid will cause the pupil to become in deep red color, the iris will become in grey, light blue or pink. A person with albinism will also suffer from photophobia, which is the extreme sensitivity to light. Bright light may decreases the person's visual acuity and may blinds the persons with albinism.