Myopic

From WikiMD's Food, Medicine & Wellness Encyclopedia

Myopia, also known as nearsightedness, is a common type of refractive error where close objects appear clearly, but distant objects appear blurry. It occurs when the shape of your eye causes light rays to bend (refract) incorrectly, focusing the images in front of the retina instead of directly on the retina.

Causes[edit | edit source]

Myopia occurs when the eyeball is too long, relative to the focusing power of the cornea and lens of the eye. This causes light rays to focus at a point in front of the retina, rather than directly on its surface. Myopia can also be caused by the cornea and/or lens being too curved for the length of the eyeball. In some cases, myopia is due to a combination of these factors.

Symptoms[edit | edit source]

People with myopia may have symptoms such as:

  • Difficulty seeing distant objects
  • Squinting
  • Eye strain
  • Headaches
  • Feeling fatigued when driving or playing sports

Diagnosis[edit | edit source]

Myopia is diagnosed by a basic eye examination. A variety of tests may be performed, including having the patient read from an eye chart. The eye care professional will also use devices that can estimate and measure the amount of refractive error.

Treatment[edit | edit source]

Treatment for myopia may include:

See also[edit | edit source]

References[edit | edit source]

Myopic Resources
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Contributors: Prab R. Tumpati, MD