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2. Smartglasses - Wikipedia

   en.wikipedia.org/wiki/Smartglasses

   Smart glasses could be used as a body camera.In 2018, Chinese police in Zhengzhou and Beijing were using smart glasses to take photos which are compared against a government database using facial recognition to identify suspects, retrieve an address, and track people moving beyond their home areas.

3. Pinhole glasses - Wikipedia

   en.wikipedia.org/wiki/Pinhole_glasses

   Pinhole glasses, also known as stenopeic glasses, are eyeglasses with a series of pinhole-sized perforations filling an opaque sheet of plastic in place of each lens. Similar to the workings of a pinhole camera , each perforation allows only a very narrow beam of light to enter the eye which reduces the size of the circle of confusion on the ...

4. Photochromic lens - Wikipedia

   en.wikipedia.org/wiki/Photochromic_lens

   Typically, photochromic lenses darken substantially in response to UV light in less than one minute, and continue to darken a little more over the next fifteen minutes. [2] The lenses begin to clear in the absence of UV light, and will be noticeably lighter within two minutes, mostly clear within five minutes, and fully back to their non ...

5. PSA—Here's Why Solar Eclipse Glasses Are a Must (But Cameras ...

   www.aol.com/danger-lurking-behind-total-solar...

   During April’s total solar eclipse, totality will last over 4 minutes in some places and only 1–2 minutes in others. This is when we can admire the sun's ethereal corona.

6. Epiphany Eyewear - Wikipedia

   en.wikipedia.org/wiki/Epiphany_Eyewear

   The glasses record video stored within the glasses' hardware for live-stream upload to a computer or social media. [3] The glasses use smartphone technology. The head mounted display is a mobile computer and a high-definition camera. [4] [failed verification] The glasses take photographic images, record or stream video to a smartphone or ...

7. Eyewear - Wikipedia

   en.wikipedia.org/wiki/Eyewear

   Modern glasses, the most dominant form of eyewear. Eyewear is a term used to refer to all devices worn over both of a person's eyes, or occasionally a single eye, for one or more of a variety of purposes. Though historically used for vision improvement and correction, eyewear has also evolved into eye protection, for fashion and aesthetic ...

8. Optical head-mounted display - Wikipedia

   en.wikipedia.org/wiki/Optical_head-mounted_display

   Intel announces Vaunt, a set of smart glasses that are designed to appear like conventional glasses and are display-only, using retinal projection. [6] The project was later shut down. [7] Zeiss and Deutsche Telekom partners up to form tooz technologies GmbH to develop optical elements for smart glass displays. [8] [9]

9. Polaroid Eyewear - Wikipedia

   en.wikipedia.org/wiki/Polaroid_Eyewear

   In 1939 Day Glasses were the source of most of Polaroid's $35,000 profit, which introduced the first 3D movie glasses that same year. [6] Although sales rose to $1 million in 1941, the company's 1940 losses had reached $100,000, and it was only World War II military contracts that saved Land and his 240 employees.