Watch this video about age-related macular degeneration (AMD) on HowStuffWorks. Using a group of 30 seniors that have been clinically diagnosed with AMD, along with previous studies involving more than 50 people with visual impairments, a research team from Georgia Tech has begun assessing the impact of AMD by gathering "visual profiles" of the group, which include visual acuity, contrast sensitivity, visual field, and color perception. Learn about AMD in this research video from Georgia Tech.