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——— Ideal colorful world for aging people
When growing older to 40+, the crystalline lens becomes yellow and cloudy, whereby we will lose the power to distinguish the fine things sharply and color gradually. For the middle-aged people who see through the colored crystalline lens by yellowgreen, it is relatively difficult to identify Red and Green color because yellow light become too strong. Why 1.60 UV585 lens is considered to improve vision because the red and green can be clearly visualized by cutting the yellow light.