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Eyes and Vision
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Eyes Vision

Eyes and Vision

An overview of the various conditions, diseases, and anatomical factors affecting eye health and vision.

The Eye

The following conditions and topics are associated with the study and care of the eye:

  • Amblyopia
  • Cataract
  • Color Blindness
  • Corneal Disorders
  • Diabetic Eye Problems
  • Eye Cancer
  • Eye Care
  • Eye Diseases
  • Eye Infections
  • Eye Injuries
  • Eye Movement Disorders
  • Eyelid Disorders
  • Eyewear
  • Glaucoma
  • Laser Eye Surgery
  • Macular Degeneration
  • Optic Nerve Disorders
  • Pink Eye
  • Refractive Errors
  • Retinal Detachment
  • Retinal Disorders
  • Tears
  • Vision Impairment and Blindness

Comprehensive Topic Index

Many specific conditions are categorized under broader medical topics. Key associations include:

  • Age-Related Macular Degeneration: See Macular Degeneration
  • Astigmatism: See Refractive Errors
  • Blepharospasm: See Eyelid Disorders
  • Conjunctivitis: See Pink Eye
  • Crossed Eyes: See Eye Movement Disorders
  • Diabetic Retinopathy: See Diabetic Eye Problems
  • Dry Eye: See Tears
  • Farsightedness: See Refractive Errors
  • Floater: See Retinal Disorders
  • Hyperopia: See Refractive Errors
  • Lazy Eye: See Amblyopia
  • Myopia: See Refractive Errors
  • Nystagmus: See Eye Movement Disorders
  • Strabismus: See Eye Movement Disorders
  • Walleye: See Eye Movement Disorders

Frequently Asked Questions

Sudden or gradual changes in visual acuity, new floaters or flashes of light, a shadow or curtain over part of the visual field, persistent eye pain or redness, or difficulty seeing at night are all red flags that warrant a prompt eye‑care visit.
High blood sugar can damage the blood vessels in the retina, leading to diabetic retinopathy. Adults with diabetes should have a comprehensive dilated eye exam at least once a year, and more frequently if they have poor glycemic control or existing eye damage.
Laser procedures (e.g., LASIK, PRK) are suitable for individuals with stable, moderate refractive errors (myopia, hyperopia, astigmatism) and no significant eye health issues. If you have dry eye, thin corneas, or a history of eye disease, glasses or contact lenses may be safer. Discuss your specific vision needs, eye health status, and lifestyle with an ophthalmologist to determine the best option.
Maintain a diet rich in leafy greens, omega‑3 fatty acids, and antioxidants (vitamins C, E, and zinc). Avoid smoking, limit alcohol intake, keep blood pressure and cholesterol within target ranges, and wear sunglasses that block UV light. Regular eye exams can catch early changes before vision loss occurs.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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