Half-Rim Reading Glasses-Blue Light Blocking-Reduced Eye Strain-Memory Computer Glasses Titanium Readers Men, Transparent Lenses
- Eyekeeper's BB40 lenses - transparent lenses with filter.UV420 protection.
- The lenses do not block blue color of online test for color filtering properties.Please check Eyekeeper's BB60,BB90 and BB98 lenses if you need block blue color and block more blue light.
- PRODUCTS DIMENSION-Frame Material: Titanium and metal, Lens width: 2 3/16"(55mm), Frame width: 5 11/16"(145mm), Lens height: 1 3/8"(35mm), Frame height: 1 7/16"(37mm), Bridge (DBL): 11/16"(18mm), Temple length: 5 1/2"(140mm), Spring hinge: Yes, Lenses: Aspheric, Head size: Medium.-able frame
- Almost no color distortion.
- PRODUCTS DIMENSION-Frame Material: Titanium and metal, Lens width: 2 1/16"(52mm), Frame width: 5 5/16"(135mm), Lens height: 1 5/16"(33mm), Frame height: 1 3/8"(35mm), Bridge (DBL): 11/16"(18mm), Temple length: 5 5/16"(135mm), Spring hinge: Yes, Lenses: Aspheric, Head size: Medium.Rx-able frame
*Per the Occupational Safety & Health Administration: The preferred viewing distance for VDTs ranges between 18 and 24 inches (45.72 and 60.96 centimeters, respectively)
*Filters 100% of the most damaging low-level blue and nearly 40% high energy visible light from tablets, phones, TV, computers and more.
*Our lenses code is BB40 for the Eyekeeper violet block glasses.
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