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Color Blindness

Color Blindness. Definition. Condition in which certain colors can not be distinguished Red-Green most common (99%) Blue-Yellow; Rare no test available. The retina contains rods and cones which are responsible for vision in different types of light.

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Color Blindness

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  1. Color Blindness

  2. Definition • Condition in which certain colors can not be distinguished • Red-Green most common (99%) • Blue-Yellow; Rare no test available.

  3. The retina contains rods and cones which are responsible for vision in different types of light. • People with normal color vision have 3 different kinds of cones.

  4. Causes • Colorblindness is genetic (X chromosome generally the carrier.) • One may become color blind due to eye, nerve, or brain damage.

  5. Disadvantages • Weather forecast & Maps • Glowing indicators • Traffic lights • Getting too much sun • Cooking • Others ? • Advantages?

  6. Homework • Who is most likely to be color blind. Males or Females? • If a person is colorblind what part of the retina is missing? • Jack and Jill have three children, one boy and two girls. Jack has no colorblind tendencies, Jill carries a colorblind gene. Which child will most likely be colorblind? Who could become possible carriers? • What percent of males are colorblind? Females? • Do you think colorblindness should be considered a disability? Why or why not?

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