Specification AgeRangeDescription : Adult Brand : I Heart Eyewear BulletPoint1 : Anti-Reflective coating to prevent glare BulletPoint2 : Aspheric lenses to prevent distortion BulletPoint3 : Spring hinges to maximize comfort BulletPoint4 : Matching polyester eyeglass case included BulletPoint5 : Care instructions: Clean lenses with eyeglass cleaner and a clean microfiber cloth. Store in case when not in use. Color : Tan Department : Unisex Department1 : Unisex Adult Department2 : womens Department3 : Women Department4 : Women Department5 : Women Department6 : Women Department7 : Women Department8 : Women Department9 : Women ExternallyAssignedProductIdentifier : 6975061486640 ExternallyAssignedProductIdentifier1 : 0676757081052 ExternallyAssignedProductIdentifier2 : 676757081052 ImportDesignation : Imported ItemName : I Heart Eyewear Lira Reading Glasses, Stylish, Unisex, Prescription Quality Readers, Anti-Reflective coating, Spring hinges, Comfortable Wayfarer reader, Tortoise and Tan, 1.0 ItemPackageDimensions_Height : 16.51 centimeters ItemPackageDimensions_Length : 2.8956 centimeters ItemPackageDimensions_Width : 7.0104 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : reading-glasses ItemTypeName : Reading Glasses LensColorMap : Clear MagnificationStrength : 2 multiplier_x Manufacturer : Gudzws Material : Polyester ModelName : 5077 ModelNumber : R2131-5C00-350 OpticalPower : 1 PartNumber : R2131-5C00-350 Pattern : Solid PolarizationType : non polarized ProductDescription : Advanced Bifocal reading sunglasses, the upper optical area of the lens is used for the far view, and the lower optical area is used for near view. 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.