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  2. Have computer eye strain? These 9 products from Amazon ... - AOL

    www.aol.com/article/lifestyle/2020/07/31/...

    Computer eye strain is a major side effect of working from home. From blue light-blocking glasses and laptop screens to eye masks, these products can help.

  3. This Is The 1 Thing An Eye Doctor Says You Should Never Do ...

    www.aol.com/1-thing-eye-doctor-says-170457808.html

    The human eye is a wondrous thing. It is considered the body’s most complex organ after the brain and contains over 2 million working parts. About 80% of all learning happens through vision.

  4. Optically variable ink - Wikipedia

    en.wikipedia.org/wiki/Optically_Variable_Ink

    Color-shifting inks reflect various wavelengths in white light differently, depending on the angle of incidence to the surface. An unaided eye will observe this effect as a change of color while the viewing angle is changed. A color copier or scanner can copy a document only at one fixed angle relative to the document's surface. [2]

  5. Security printing - Wikipedia

    en.wikipedia.org/wiki/Security_printing

    Security printing is the field of the printing industry that deals with the printing of items such as banknotes, cheques, passports, tamper-evident labels, security tapes, product authentication, stock certificates, postage stamps, and identity cards. The main goal of security printing is to prevent forgery, tampering, or counterfeiting.

  6. Nxtpaper - Wikipedia

    en.wikipedia.org/wiki/Nxtpaper

    TCL claims that the NXTPAPER technology reduces blue light emissions, which are often linked to digital eye strain and sleep disturbances. [1] It also includes anti-glare properties, designed to make screen reading more akin to reading paper, further reducing strain on the eyes.

  7. Extended Computer Protection - From AOL FAQs - AOL Help

    help.aol.com/articles/extended-computer...

    With Extended Computer Protection – from AOL, we've made it easier for you to get your computer hardware issues resolved with the below option: Mail-In Repair : If you have a personal laptop or tablet, we'll send you a prepaid shipping label or box for you to mail in your product to one of our service depots.