July 2018
Volume 59, Issue 9
Open Access
ARVO Annual Meeting Abstract  |   July 2018
Color Contrast Sensitivity in Age-Related Macular Degeneration(AMD)
Author Affiliations & Notes
  • Jessica Capri
    Illinois College of Optometry, Chicago, Illinois, United States
  • Heather McLeod
    Illinois College of Optometry, Chicago, Illinois, United States
  • Leonard V. Messner
    Illinois College of Optometry, Chicago, Illinois, United States
  • Anya S. Hariprasad
    University of Chicago Laboratory Schools, Chicago, Illinois, United States
  • Danielle Leong
    Illinois College of Optometry, Chicago, Illinois, United States
  • Footnotes
    Commercial Relationships   Jessica Capri, None; Heather McLeod, None; Leonard Messner, None; Anya Hariprasad, None; Danielle Leong, King-Devick Technologies (E)
  • Footnotes
    Support  Illinois Society for Prevention of Blindness
Investigative Ophthalmology & Visual Science July 2018, Vol.59, 2418. doi:
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    • Get Citation

      Jessica Capri, Heather McLeod, Leonard V. Messner, Anya S. Hariprasad, Danielle Leong; Color Contrast Sensitivity in Age-Related Macular Degeneration(AMD). Invest. Ophthalmol. Vis. Sci. 2018;59(9):2418.

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      © ARVO (1962-2015); The Authors (2016-present)

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Purpose : AMD is one of the leading causes of vision loss globally. Since color vision impairment is often one of the first symptoms of retinal disease, earlier AMD detection may be possible using color vision screenings. This potential detection could result in earlier treatment and decreased progression of the disease before irreversible damage to sight occurs.

Methods : Patients from the Illinois Eye Institute and Chicago Eye Institute were asked to perform the King Devick Variable Color Contrast Sensitivity(VCCSC) iPad test monocularly at their best corrected near visual acuity with black, red, blue, green, and yellow letters at various contrast levels (100%,75%,50%, and 25%). Identification accuracy (out of 5 letters) was recorded as both color and contrast changed.

Results : Data was analyzed using SPSS v21. All values are presented as means±SEM. The control group (n=35) age 50-79 years (46% male, 54% female). The non-exudative (NE) AMD(n=26) age 60-82 years (67% male, 33% female). A significant decrease in vision was noted in AMD patients for black 100% (C:36.0±1.7 vs AMD:109.9±21.7,p<0.001), blue 75% (C 4.4±0.2 vs AMD:4.7±0.1,p<0.028), yellow 75%(C:3.2±0.3 vs AMD:4.1±0.3,p<0.023), and blue 50%(C:4.1±0.2 vs AMD:4.6±0.1,p<0.045) contrast letters compared to the control. Interestingly, difficulty reading all colors at 25% contrast was similar between AMD and control patients.

Conclusions : Our results show that there is greater variability in color vision and color contrast in NE-AMD patients compared to healthy patients. Specifically, blue and yellow seem to be more difficult for AMD patients. Further testing is needed to determine what threshold of color and contrast best distinguishes AMD with the potential to detect AMD at an earlier stage and initiate more effective treatment.

This is an abstract that was submitted for the 2018 ARVO Annual Meeting, held in Honolulu, Hawaii, April 29 - May 3, 2018.


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