WebJan 30, 2013 · Bifocal Reading Glasses . Bifocal readers have unmagnified lenses which also contain inserts with the magnification of your choice in the lower portion of the lenses. This type of lens works best for those who are constantly switching from looking down at reading and writing materials to up and off at a distance. WebNov 4, 2016 · Magnification Strength: 4.0 x 4.0 x 4.5 x 5.0 x 6.0 x Plastic frame Plastic lens non-polarized Lens width: 52 millimeters Lens height: 1.6 millimeters Arm: 5.5 millimeters High Magnification Power Reading Glasses - +4.00, +4.50, +5.00, +6.00 Show more Additional Details Small Business This product is from a small business brand. Support …
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WebNov 9, 2016 · Reading Glasses and The Computer Screen Working on a computer screen that is 18 inches away will call for a different lens power than working at a screen which is 28 inches away. Generally for every 6 inches your monitor is past 28 inches you should lower your your power by 0.25. WebReading glasses with spring hinges, frame height about 1 1/2 inches (38mm). Ready for who need them - We started making this product in order to meet the needs of people who farsighted with different diopters in each eye.Now, you can choose a different lens power in your readers directly. Flex Combinations - The range of lens strength ... openwithprogids什么意思
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WebStep 2: Read. Hold the printed chart 14 inches from your face for best use. You can wear corrective contacts, but no glasses, that’s cheating. And we only endorse cheating if it's on … WebGlobal Vision Foldaway Reading Glasses for Men or Women 2.25 Magnification Foldable Black Frame w/Clear Lens & Color-Matching Pouch Available for 3+ day shipping 3+ day shipping Anti-Fatigue 360 Rotating Folding Lightweight Reading Glasses Spectacles for Men Women 3.00 (Dark Brown) WebProduct Description Material: ABS+Glass+Acrylic Size: 190 * 83 * 20 mm Diameter: 75mm (large lens); 22mm (small lens) Magnification: 3 times (large lens), 45 times (small lens) Battery: 3 AAA batteries Color: black + white, all black, all white Quantity: 1 piece Package content: 1 piece * reading magnifying glass (without battery) 1. 【Dual lens magnifying … open with program settings