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http://dx.doi.org/10.15207/JKCS.2021.12.7.061

Convergence study of comparison of blue light blocking rate between colored lenses of various colors and dental tips  

Lee, Sook-Jeong (Dept. of dental Hygiene, Silla University)
Publication Information
Journal of the Korea Convergence Society / v.12, no.7, 2021 , pp. 61-67 More about this Journal
Abstract
The purpose of this study was to investigate the colors of spectacle lenses that would be effective in blocking blue light among various colors so that the damage caused by blue light could be conveniently reduced even in daily life and when filling with dental light-curing resin. Each color dye of orange, brown, gray, yellow, red, and rosa was dissolved in an individual container of a spectacle lens tinting machine, and 6 uncolored spectacle lenses were immersed in a temperature of 90℃ for 1 hour to color. As a result of comparing the blue light transmittance of the colored spectacle lens and the tip for the photopolymerizer, the blue light transmittance of the orange colored lens was 0.82%, and the blue light blocking effssect was the best. Brown and gray tinted lenses had excellent blue light blocking rate, but it was difficult to recognize objects through the lens due to the high tinted concentration, and yellow tinted lenses were found to be effective when the tint was similar to the tip. The blue tinted lens had a blue light transmittance of 15.10%, which was lower than other tinted lenses. The results of the experimental study are expected to be helpful in recognizing the blue light transmittance by spectacle tinted lenses of various colors and making efforts to select the appropriate blue light blocking lens color and block harmful blue light stimuli.
Keywords
Spectacle lens coloring machine; Dye; Coloration; Blue light transmittance; Blue light blocking; Convergence;
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