eye zoom 2 pack blue light blocking reading glasses rectangular metal anti blue ray and uv readers,black, gunmetal,+1.75 eye zoom specifications:<br/> frame material: metal frame</li> <li>spring hinge<br/> frame width: 5 7/16 inches (138 mm)<br/> bridge: 5/8 inches (15 mm) <br/> temple length: 5 11/16 inches (145 mm) <br/> len width: 2 inches (51 mm) <br/> len height: 3/4 inches (29 mm) <br/> strength available: +1.25 / +1.5 / +1.75 / +2.0 / +2.5 / +3.0 <br/> color : black / gunmetal <br/> features:<br/> 100% brand new and high quality metal frame rectangular readers <br/> stylish ,light and comfortable<br/> high quality blue laight blocking and anti uv lenses<br/> ergonomic and super sturdy design ensures premium performance and comfort<br/> whether you are looking for anti blue ray reading glasses for the office or home. eyezoom anti blue ray reading glasses will give you the premium protection.<br/> 30 days money back guarantee. customers can return and get refunded for any reason.<br/> care:<br/> to avoid damage, never clean your reading glasses with paper towels or clothing or alcohol, and also avoid using household detergents or soaps. while a few mild soaps don't harm lenses, today's extra strength soaps are powerful enough to slowly disintegrate lens coatings. <br/> attention:<br/> ready to wear non-prescription glasses are not intended to replace prescribed corrective lenses or examinations by an eye care professional. continuous eye check-ups are necessary to determine your eye health status and vision needs.<br/> note: <br/> due to the difference between different monitors, the picture may not reflect the actual color of the item. thank you! <br/> size for manual measurement, there may be a 0 to 3 mm error, belongs to the normal phenomenon. <br/>