Vision Facts – Freedom Scientific
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Vision Facts

Vision Loss Facts and Resources

Cataracts, diabetic retinopathy, glaucoma, macular degeneration, and retinitis pigmentosa are some of the eye diseases responsible for low vision. The links on this page provide insight to the issues and questions you may have regarding low vision and its impact on you or someone you know.


  • Visual Impairments, Causes and Treatments.¬†Differentiates the major causes of adult blindness from the major causes of childhood blindness. This section also outlines symptoms, causes, and treatments for a number of visual impairments and provides information on prevalence.
  • Amsler Grid. Illustrates the Amsler Grid, a tool used to test the macula and retina.
  • Credits and References


Disability Legislation

Advocacy Groups for the Blind and Low Vision

Advocacy organizations are another source for information and understanding the resources that are available to persons with visual impairments. They include, but are not limited to:

Additional Information

ADA Information Line:
1-800-514-0301 (voice)
1-800-514-0383 (TTY)

Regional Disability and Business Technical Assistance Centers
1-800-949-4232 (voice/TTY)