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Specification
AgeRangeDescription : Adult
Brand : SPORTEX
BulletPoint : PRODUCT DIMENSION: Lens Width:56MM; Temple Length:153MM; Nose Bridge:13MM; Lens height:31mm; Frame Width:128mm
BulletPoint1 : Optimal power position for reading
BulletPoint2 : 100% UV protection
BulletPoint3 : Super lightweight TR90 frame
BulletPoint4 : Shatter proof PC lenses with AR coating
BulletPoint5 : Comes with microfiber case
Color : Blue Revo
Department : Unisex
Department1 : Unisex
Department10 : unisex-adult
Department2 : mens
Department3 : unisex-adult
Department4 : unisex-adult
Department5 : unisex-adult
Department6 : unisex-adult
Department7 : unisex-adult
Department8 : unisex-adult
Department9 : unisex-adult
ExternallyAssignedProductIdentifier : 6284656279919
ExternallyAssignedProductIdentifier1 : 842894190968
ExternallyAssignedProductIdentifier2 : 0842894190968
ImportDesignation : Imported
ItemName : SPORTEX SAV Eyewear Progressive Multifocal Sunglass Reader, Blue Revo Lens, 2.00
ItemPackageDimensions_Height : 6 inches
ItemPackageDimensions_Length : 2 inches
ItemPackageDimensions_Width : 2.5 inches
ItemPackageQuantity : 1
ItemShape : Round
ItemTypeKeyword : reading-glasses
ItemTypeName : Reading Glasses
LensColorMap : Blue
MagnificationStrength : 2 diopters
Manufacturer : Sportex
Material : plastic
ModelName : Sportex Progressive Sunglass Reader, Sav Eyewear
ModelNumber : ESPSRT3-200-471
NumberOfItems : 1
OpticalPower : 2
PartNumber : ESPSRT3-200-471
Pattern : Solid
PolarizationType : Non-Polarized
ProductDescription : 1. 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.
Reading glasses, also known as reading glasses, are a type of optical products used for people with presbyopia. They are convex lenses. Reading glasses are mainly to meet the needs of people with presbyopia.

2. Test discoloration?
It is recommended to test at noon, noon sun UV strong, discoloration can achieve the best results, more test several times, the effect is better.
Warm tips
Please correctly understand photochromic glasses, he color depth does not equal sunglasses.
Size : 143mm
SportType : Cycling
Style : Sport
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
TargetGender : unisex
UltravioletLightProtection : True
UnitCount : 2