Standard Model Upgrade Clear Model Professional Anti-Blue Light Model Gray Model 1.74 Gray Anti-Blue Light (Ultra-Thin) 1.74 Double Non (Ultra-Thin) Standard Model + Frame (within 150 yuan) Standard Model + Frame (within 300 yuan) Standard Model + Frame (within 450 yuan) Clear Model + Frame (within 150 yuan) Clear Model + Frame (within 300 yuan) Clear Model + Frame (within 300 yuan) Clear Model + Frame (within 450 yuan) Anti-Blue Light Model + Frame (within 150 yuan) Anti-Blue Light Model + Frame (within 300 yuan) Anti-Blue Light Model + Frame (within 450 yuan) Gray Model + Frame (within 150 yuan) Gray version + frame (within 300 yuan) Discoloration model + frame (within 450 yuan)