Disorders of the Eye

Disorders of the Eye

Author: Aaron Mullally

This lesson will examine the cause and effect of various disorders of the eye.

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Video Images: Color Blindness image, Public Domain: http://bit.ly/bAziPY; Hyperopia image, Creative Commons, http://bit.ly/T0c8Pb; Myopia image, Creative Commons: http://bit.ly/SXebTc; Glaucoma image (children), Creative Commons: http://bit.ly/RPkp7G; Glaucoma image (eyes), Creative Commons: http://bit.ly/TBslFS

Source: Aaron M

Terms to Know
  • Astigmatism

    An eye disorder resulting in blurred vision due to the misshapen lens or cornea of the eye.

  • Cataracts

    A disorder of the eye in which the clouding of the lens affects how light enters the eye.

  • Color Blindness

    An eye disorder in which a person is lacking cone cells that allow them to detect certain colors. Most often this occurs with the colors red and green.

  • Conjunctivitis

    An eye disorder caused by bacteria or allergies which causes the membrane of the eye to become inflamed.

  • Glaucoma

    The deterioration of vision due to the buildup of aqueous humor in the eye.

  • Hyperopia

    An eye disorder in which a person has difficulty seeing near objects because the eyeball is taller than it is wide causing images to focus behind the retina.

  • Myopia

    An eye disorder in which a person has difficulty seeing distant objects because the eyeball is wider than it is tall causing images to focus in front of the retina.

  • Retinal Detachment

    An eye disorder resulting in a tear in the retina and vision problems.

  • Retinoblastoma

    Cancer of the retina.