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2. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   Adjustable-focus eyeglasses. Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has ...

3. Eye protection - Wikipedia

   en.wikipedia.org/wiki/Eye_protection

   Eye protection. An airman using a welding mask. Failing to use proper eye protection when welding may lead to blindness. Eye protection is protective gear for the eyes, and sometimes face, designed to reduce the risk of injury. Examples of risks requiring eye protection can include: impact from particles or debris, light or radiation, wind ...

4. Researchers create eye-tracking glasses that auto-focus where ...

   www.engadget.com/2019-07-02-stanford-eye...

   1 / 2. Stanford University. Researchers at Stanford University have created glasses that track your eyes and automatically focus on whatever you're looking at. The so-called autofocals, detailed ...

5. Electronic glasses auto-focus on what you're looking at

   www.engadget.com/2017-01-30-electronic-glasses...

   Using electronically activated lenses and infrared distance meters, they can focus automatically on whatever you're looking at, whether it's far or close up. Once perfected, the device could ...

6. Laser safety - Wikipedia

   en.wikipedia.org/wiki/Laser_safety

   Laser safety. Laser radiation safety is the safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to permanent eye injuries, the sale and usage of lasers is typically subject to government regulations.

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

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

   Razer Anzu smart glasses review photo. Right side profile of a man wearing the Razer Anzu smart glasses with his right index finger up to the touch-sensitive arm. Like the Echo Frames, the small ...

8. Watch glass - Wikipedia

   en.wikipedia.org/wiki/Watch_glass

   Watch glass. A watch glass is a circular concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance, and as a cover for a beaker. When used to cover beakers, the purpose is generally to prevent dust or other particles from entering the beaker; the ...

9. Aira's new smart glasses give blind users a guide through the ...

   techcrunch.com/2018/03/27/airas-new-smart...

   Aira has built a service that basically puts a human assistant into a blind user’s ear by beaming live-streaming footage from the glasses camera to the company’s agents who can then give audio ...