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Results 1 - 10 of 3,210 for vision
  1. Vision Impairment and Blindness (National Library of Medicine)  
    If you have low vision, eyeglasses, contact lenses, medicine, or surgery may not help. Activities like reading, shopping, cooking, writing, and watching TV may be ...
  2. Vision Screening What is vision screening? A vision screening is a brief test that mainly checks how well you can see things up close and ... begins around age 45. Why do I need vision screening? For adults , vision screening helps find out ...
  3. Color vision deficiency (sometimes called color blindness) represents a group of conditions that affect the perception of color. Red-green color vision defects ...
  4. Low vision is a visual disability. Wearing regular glasses or contacts does not help. People with low vision have already tried the available medical or surgical ...
  5. There are many types of eye problems and vision disturbances, such as: Halos Blurred vision (the loss of sharpness of vision and the ...
  6. Blindness is a lack of vision. It may also refer to a loss of vision that cannot be corrected with glasses or contact lenses. Partial blindness means ...
  7. ... by several genetic defects. The cells controlling night vision (rods) are most likely to be affected. However, ... Symptoms often first appear in childhood. However, severe vision problems do not often develop before early adulthood. ...
  8. A color vision test checks your ability to distinguish between different colors. ... to you. There are several tests for color vision. During the most common, you will be shown ...
  9. ... this happens, you may lose part of your vision. ... Sudden blurring or loss of vision may occur in: All of one eye (central retinal artery occlusion or CRAO) Part of one eye (branch retinal artery occlusion ...
  10. Symptoms include sudden blurring or vision loss in all or part of one eye. ... Retinal photography Slit lamp examination Testing of side vision (visual field examination) Visual acuity test to determine ...
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