J Korean Ophthalmol Soc > Volume 59(7); 2018 > Article
Journal of the Korean Ophthalmological Society 2018;59(7):622-628.
DOI: https://doi.org/10.3341/jkos.2018.59.7.622    Published online July 15, 2018.
Comparison of Contrast Sensitivity and Color Vision according to the Different Illumination in Patients with Cataract.
Yo Sep Yoon, Chang Kyu Lee, Sang Ook Kang, Sang Woo Kim
1Department of Ophthalmology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea. ophdrkim@uuh.ulsan.kr
2Department of Materials Chemistry, Korea University College of Science and Technology, Sejong, Korea.
서로 다른 세 가지 조명에서 중등도 핵경화 백내장 환자가 가지는 대비감도 및 색각 비교
윤요셉1⋅이창규1⋅강상욱2⋅김상우1
울산대학교 의과대학 울산대학교병원 안과학교실1, 고려대학교 신소재화학과학교실2
Correspondence:  Sang Woo Kim,
Email: ophdrkim@uuh.ulsan.kr
Received: 29 March 2018   • Revised: 14 May 2018   • Accepted: 26 June 2018
Abstract
PURPOSE
To compare the difference of contrast sensitivity and color vision in patients with cataracts under three illuminations (fluorescent light, three-wavelength light emitting diode [LED], and quantum dot LED). METHODS: Thirty eyes with normal intraocular pressure and normal fundus of patients who visited the outpatient clinic for the treatment of cataract were included. In patients with cataracts with grade 2 of nucleus color/opalescence according to the Lens Opacities Classification System, version III (LOCS III) and without cataracts in the cortex or posterior pole of the slit lamp examination, contrast sensitivity and color vision test were performed under fluorescent light, three-wavelength LED, and quantum dot LED. RESULTS: The error scores of quantum dot LED were significantly lower than those of fluorescent light and three-wavelength LED (p < 0.05), and the error scores of blue spectrum was relatively higher than those of other colors. CONCLUSIONS: In cataract patients, the difference of color sensation occurs due to illumination in color vision test, and it is considered that the degree of color sensitivity is more severe in insufficient illumination and low color rendering index in color vision test. If we replace the indoor lighting with the light source distribution similar to the sunlight and replace it with the illumination with high color rendering index, we can render higher quality of life to cataract patients through psychophysical advantage and high color perception.
Key Words: Cataract;Color vision;Contrast sensitivity;Illumination


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