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2. Underwater vision - Wikipedia

   en.wikipedia.org/wiki/Underwater_vision

   Underwater vision. Scuba diver with bifocal lenses fitted to a mask. Underwater vision is the ability to see objects underwater, and this is significantly affected by several factors. Underwater, objects are less visible because of lower levels of natural illumination caused by rapid attenuation of light with distance passed through the water.

3. Sunglasses - Wikipedia

   en.wikipedia.org/wiki/Sunglasses

   Hunter S. Thompson was known for wearing yellow-tinted driving glasses. When driving a vehicle, particularly at high speed, dazzling glare caused by a low Sun, or by lights reflecting off snow, puddles, other vehicles, or even the front of the vehicle, can be lethal. Sunglasses can protect against glare when driving.

4. Water-repellent glass - Wikipedia

   en.wikipedia.org/wiki/Water-repellent_glass

   Water-repellent glass (WRG) is a transparent coating film fabricated onto glass, enabling the glass to exhibit hydrophobicity and durability. [1] WRGs are often manufactured out of materials including derivatives from per- and polyfluoroalkyl substances (PFAS), tetraethylorthosilicate (TEOS), polydimethylsilicone (PDMS), and fluorocarbons.

5. Sodium silicate - Wikipedia

   en.wikipedia.org/wiki/Sodium_silicate

   Sodium silicate is also the technical and common name for a mixture of such compounds, chiefly the metasilicate, also called waterglass, water glass, or liquid glass. The product has a wide variety of uses, including the formulation of cements , coatings, passive fire protection , textile and lumber processing, manufacture of refractory ...

6. OrCam's MyEye Pro clips to glasses to help visually impaired ...

   www.engadget.com/orcam-smart-glasses-visually...

   OrCam, a company that makes products to aid accessibility for the visually impaired, has won a CES innovation award for its glasses-mounted MyEye Pro device.It aids the blind and visually impaired ...

7. Razer Anzu review: Smart glasses that are almost great - Engadget

   www.engadget.com/razer-anzu-smart-glasses-review...

   Like the Echo Frames, the small/medium Razer Anzu fits my fairly wide face well, and it’s also rated IPX4 for water resistance. But unlike Amazon, Razer does offer a bigger size. The Anzu also ...