Specifications:

Color: Clear

Material:CR-39 M-7 M-8

Coating:HMC (Anti-Reflective) UV400 Anti-Blue

Perfect for rimlesseyewear frameswith prescriptions that have anSPH -.50~ -8.00; CYL: -.50~ -2.00 to S PH +4.00~ +8.00 CYL -.50~ -2.00

For those looking for atrendier look, 1.61 high-index lenses may justbe the solution. These ultra-thin lenses areperfect forrimless eyewear frames.

Trending inthe field of lens making,high tech improvements inprogressive lenses have created a smooth and consistent transition between differing lensstrengthswithin the lens itself. Also knownas multifocal or varifocal lenses,they offer all of theimprovements of the old out moded bi- or trifocal lenses without thedrawbacks of heavy weight, lens thickness and bulky transition lines their predecessors had.

Blue light blocking glassesare made withlenses thatblock or filter out harmful blue rays that emit from computer screens on phones, laptops, computer screens and tablet screens.The lenseskeep your eyes protected from glare andpotentially reduceeye health problems the retina sustains during prolong exposure to blue light.

They are not polarized.

For accurate ordering of lenses please see the How to Choose Lenses Indexcharts in this product page. If you require any additional assistance please contact us via our customer service email at [email protected].