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Dr. John Vilcheck

Dr. John Vilcheck

Providing Family Eye Care

(610) 383-6449

Community Content
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  • Common Eye Conditions >
  • Vision Impairment
  • Color Blindness
    Category: Common Eye Conditions, Vision Impairment

    Color blindness, also known as color vision deficiency, occurs when an individual cannot distinguish between certain colors like red and green or, less commonly, blue and yellow. Cause of Color Blindness Light-sensitive tissue, the retina, lines the back of the eye and consists of two types of light

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  • Low Vision
    Category: Common Eye Conditions, Vision Impairment

    Most people classified as blind still retain some ability to see. They often have significantly impaired vision but can discern light, shapes, or other figures. Low vision refers to a class of visual impairment that cannot be corrected by glasses or contact lenses. A number of conditions may cause low

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