This printable crossword puzzle on the topic of Psychology & Sociology has 13 clues. Answers range from 4 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
dark circular hole in the center of the iris
part of the retina that contains no photoreceptors
visual impression that remains after the original image has been removed
inability to clearly distinguish different colors of the spectrum
transparent structure of the eye that focuses light on the retina
receptor cell in retina responsible for color vision and respond best in bright light
provides side vision and the ability to see in dim light
the light sensitive inner surface of the eye that contains the rods, cones, and neurons that process visual stimuli
keenness or sharpness of vision
the adjustment of the eye to low light intensities
neurons that are sensitive to light
colors across each other on the color wheel
the sense that provides information about the position of the body