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The Eye and Common Eye Problems. Anatomy of the Eye. Iris and Pupil. How does the eye work?. The human eye works like a living camera. Like a camera, the eye processes light and takes mental snapshots of images, which are then developed in the brain. . Refractive Error.

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Presentation Transcript
anatomy of the eye
Anatomy of the Eye

Iris and Pupil

how does the eye work
How does the eye work?

The human eye works like a living camera.

Like a camera, the eye processes light and takes mental snapshots of images, which are then developed in the brain.

refractive error
Refractive Error
  • Myopia: Nearsighted-ness
    • Objects appear blurry at a distance
    • Squinting
  • Hyperopia: Farsighted-ness
    • Near Objects appear blurry
    • Squinting
  • Presbypia: Farsighted-ness
    • Near Objects appear blurry
    • Squinting

*Can be corrected with glasses or contact lenses

color blindness
Color Blindness
  • Color blindness describes problems in recognizing various colors and shades of color.
  • Red/green color deficiency is the most common form of colorblindness. Blue color blindness is the inability to distinguish both blue and yellow, which are seen as white or gray.
  • One male in twenty suffers from some form of colorblindness, but only one in several hundred females are color blind.
amblyopia lazy eye
Amblyopia “Lazy Eye”

Symptoms:

-squinting

-headaches

-poor vision

-eye strain/pain

Treatments include:

-eye surgery

-eye exercises

-wearing an eye patch over the stronger eye

  • Misaligned or crossed eyes

Normal Lazy eye

conjunctivitis pink eye
Conjunctivitis “Pink Eye”
  • Conjunctiva membrane becomes inflamed
  • Caused by allergies, infection, irritation

Treatment includes: eye drops and special ointment

things to remember
Things to remember…
  • Wear sunglasses to protect your eyes from dangerous UV rays
  • Eat lots of Vitamin A to keep your eyes healthy! Milk, eggs, and yellow and orange fruits and veggies contain lots of Vitamin A.
don t wait until it s too late
Don’t wait until it’s too late!

Get routine eye check-ups to:

  • Keep your eyes healthy
  • Maintain good eyesight