The leading causes for blindness in the U.S. stem from age-related eye diseases such as, macular degeneration, cataract and glaucoma. Birth defects, eye injuries and other eye disorders can also result in vision loss. A person suffering from vision loss may have to reorganize their life and learn new ways of accomplishing everyday tasks. There are instances when vision loss is preventable. Regular, complete eye exams and prompt treatment are crucial to maintaining healthy vision.