Do you see what I see? A look at color deficiencies in Kansas

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Authors
Wood, Jaden Q.
Issue Date
2023-05
Type
Thesis
Language
en_US
Keywords
Color vision deficiency , Trichromacy , Dichromacy , Ishihara , Red/green color blindness , Plate test , Visual transduction pathway
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A look at color deficiencies in Kansas
Abstract

Color vision deficiencies occur due to the modification or loss of function of one or more cone cells in the retina. Individuals with color vision deficiencies may face challenges related to color perception in everyday life. Various tests screen for and diagnose color vision deficiencies, and the Ishihara plate test is a common screening test for red/green color vision deficiencies. My research examined the visual transduction pathway and the genetics of color vision deficiencies. Additionally, I implemented a digital color vision survey to compare the frequency of color vision deficient adults in Kansas to the average global frequency. An Ishihara plate test was utilized to screen for dichromatic color vision deficiencies in a sample of adults in the state of Kansas. Subjects were presented with eleven digital plates from the official Ishihara plate test, and then they were asked to identify the figure on each plate. Of the 271 survey participants, 3.0% of female participants (n=199), 8.2% of male participants (n=61), and 0.0% of other gendered participants (n=11) demonstrated having a color vision deficiency. This is significant because, while the percentage of potentially color vision deficient males aligned with the global frequency (8.0%), the percentage of potentially color vision deficient females was much higher than the global frequency (0.5%). Although the sample size was only a small fraction of adults in Kansas, these results may indicate that color vision deficiencies are more prevalent in Kansas compared to the global frequency.

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Honors thesis (HB)-- Wichita State University, Dorothy and Bill Cohen Honors College
Accepted in partial fulfillment of the requirements for the degree of Honors Baccalaureate with concentration in Biology, Chemistry, and Health Sciences.
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Wichita State University
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