Eye Treatment - Long/Short Sightedness

Cards (5)

  • Long Sightedness - Unable to focus on near objects.
  • Short Sightedness - Unable to focus on far objects.
  • Long Sightedness

    • Eyeball too short
    • Not enough light refracted
    • Image behind retina
    • Fix with CONVEX lens.
  • Short Sightedness

    • Eyeball too long
    • Too much light refracted
    • Image infront of retina
    • Fix with CONCAVE lens.
  • Eye Treatment

    • Contact Lens - Lightweight and Invisible
    • Laser Eye Surgery - Changes cornea shape
    • Replacement Lens - Uses artificial Lens
    All are prone to infection.