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2. Are blue light glasses really worth it? A new analysis says ...

   www.aol.com/finance/blue-light-glasses-really...

   The researchers hope to conduct further research on the effects of blue light glasses on sleep, eye health, and more, Dr. Sumeer Singh, an author on the study from the Downie Laboratory, said in ...

3. Wait, So Do Blue Light Glasses Actually Work? Here's What ...

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   Woman trying on blue light glasses. Even people who don't need eyeglasses for vision issues are donning specs these days. While some may be using non-prescription glasses as a fashion statement ...

4. Do blue light glasses actually protect your eyes? Eye ... - AOL

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   Another popular claim is that blue light glasses can improve sleep. This is because blue light can suppress the body’s production of melatonin , the sleep hormone, but how much blue light ...

5. Night vision - Wikipedia

   en.wikipedia.org/wiki/Night_vision

   Night vision is the ability to see in low-light conditions, either naturally with scotopic vision or through a night-vision device. Night vision requires both sufficient spectral range and sufficient intensity range. Humans have poor night vision compared to many animals such as cats, dogs, foxes and rabbits, in part because the human eye lacks ...

6. Computer vision syndrome - Wikipedia

   en.wikipedia.org/wiki/Computer_vision_syndrome

   Computer vision syndrome ( CVS) is a condition resulting from focusing the eyes on a computer or other display device for protracted, uninterrupted periods of time and the eye's muscles being unable to recover from the constant tension required to maintain focus on a close object.

7. Night-vision device - Wikipedia

   en.wikipedia.org/wiki/Night-vision_device

   First-person view through night-vision goggles of the FBI Hostage Rescue Team using an airboat. A night-vision device (NVD), also known as a night optical/observation device (NOD) or night-vision goggle (NVG), is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision.