Vision Crossword

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Across
  1. 5. Light-sensitive layer of cells at the back of the eye.
  2. 7. Specialized cells (rods and cones) that detect light.
  3. 10. Ability to respond to visual stimuli without conscious awareness, due to occipital damage.
  4. 12. Receptors that detect color and fine detail, functioning best in bright light.
  5. 13. Condition where nearby objects are seen clearly, but distant ones are blurry.
  6. 15. Visual impression that remains after the original stimulus is removed.
  7. 17. Complete color blindness due to having only one type of cone or none.
Down
  1. 1. Condition where distant objects are seen more clearly than nearby ones.
  2. 2. Area of the retina where the optic nerve leaves the eye and no receptors are present.
  3. 3. Conversion of physical energy (light) into neural signals.
  4. 4. Theory that color is processed in opposing pairs (red-green, blue-yellow).
  5. 6. Structure that focuses incoming light on the retina.
  6. 8. Theory that color vision results from red, green, and blue cone receptors.
  7. 9. Receptors that detect black, white, and gray, functioning best in dim light.
  8. 11. Partial color blindness where one cone system is missing or malfunctioning.
  9. 14. Process by which the lens changes shape to focus on near or distant objects.
  10. 16. Disorder characterized by the inability to recognize faces.