The causes of this symptom can include unlikely diseases and medications. Furthermore, the causes may vary based on age and gender of the affected person, as well as on the specific characteristics of the symptom such as quality, time course, aggravating factors, relieving factors, and associated complaints. Use the Symptom Analysis option to explore the possible explanations for blindness, occurring alone or in combination with other problems. Considerations Blindness can be partial, with loss of only part of the vision. It can also be complete, in which case there is no perception of light.
Blindness has many causes, yet the incidence of true blindness in the United States remains low.
Accidents, diabetes , and macular degeneration account for most blindness in the United States. Worldwide, vitamin A deficiency is the leading cause of blindness. If partial or complete blindness develops in one or both eyes. The medical history will be obtained and a physical examination performed. A routine eye examination will be performed.