Chashma Mini Transition Sun Photochromic Read Glasses Quality Foldable Read Glasses Folding Reading Glasses Women Men With Case

$19.49

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Product Description


​ What are photochromic lenses? Photochromic lenses are also referred to as light-sensitive lenses". Glass lenses are adding silver halide, but now is the mainstream of photochromic resin lenses, adding of spiro and other chemicals in the acrylic resin lens, so that the original colorless and transparent lenses, in bright light, will become colored lenses, to do the protection, so is suitable for indoor and outdoor use. Photochromic lens optical glass containing silver halide microcrystals, phototropy reversible reaction according to the principle, in the sunlight and UV irradiation variable dark, completely absorb ultraviolet and visible light absorption of neutral; back to the dark, can restore the colorless transparent. Photochromic lenses are mainly used in open-air fields, snow fields and indoor light sources, so as to prevent sunlight and ultraviolet light from damaging the eyes.
Strength: +1.0 +1.25 +1.50 +1.75 +2.00 +2.25 +2.50 +2.75 +3.00 +3.25 +3.50 +3.75+4.00
Glasses Color: Black

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Additional Information


Package Weight 0.3kg (0.66lb.)
Package Size 20cm x 15cm x 5cm (7.87in x 5.91in x 1.97in)
Eye Prescription +100, +125, +150, +175, +200, +225, +250, +275, +300, +325, +350, +375, +400
1. Transition Sunglasses Photochromic Reading Glasses
Frame Material Alloy
2. Sunglasses Photochromic Reading glasses
Model Number P301
8. oculos de grau masculino
6. Intelligent automatic discoloration glasses
Gender Women,Unisex,Men
Brand Name Chashma
Coating HC
Eyewear Type Reading Glasses
7. Oculos de Grau Feminino
Lenses Color Multi
3. Reading Glasses Men Sunglasses with diopters

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