Disease or Syndrome
low vision
low vi·sion
Subclass of:
Vision Disorders
Definitions related to low vision:
  • Reduced ability to perceive visual stimuli.
    NCI
    U.S. National Cancer Institute, 2021
  • (vision, low) Vision considered to be inferior to normal vision as represented by accepted standards of acuity, field of vision, or motility. Low vision generally refers to visual disorders that are caused by diseases that cannot be corrected by refraction (e.g., MACULAR DEGENERATION; RETINITIS PIGMENTOSA; DIABETIC RETINOPATHY, etc.).
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (vision decreased) A disorder characterized by a decrease in visual acuity.
    Common Terminology Criteria for Adverse Events
    U.S. National Institutes of Health, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.