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2. Are Solar Eclipse Glasses a Scam? Experts Share What You Need ...

   www.aol.com/lifestyle/solar-eclipse-glasses-scam...

   Yes, solar eclipse glasses really work. The AAO specifically notes that the only way to look directly at the sun is through special solar filters that are used in eclipse glasses. The glasses need ...

3. 9 Myths About Aging That People Need to Stop Believing ... - AOL

   www.aol.com/9-myths-aging-people-stop-171500618.html

   Here are 9 myths about aging that people need to stop believing. Depositphotos.com. 1. 'Old People Can’t Learn New Things'. People think aging means you can’t teach an old dog new tricks, but ...

4. People Who Never Need Glasses Do This One Thing Every Day - AOL

   www.aol.com/people-never-glasses-one-thing...

   Not really. "Some people need glasses when they're young—before 45," explains , of Cleveland Clinic’s Cole Eye Institute. "If you don't need glasses before your 40s, chances are you will need ...

5. Indiana Glass Company - Wikipedia

   en.wikipedia.org/wiki/Indiana_Glass_Company

   Indiana Glass Company was an American company that manufactured pressed, blown and hand-molded glassware and tableware for almost 100 years. Predecessors to the company began operations in Dunkirk, Indiana, in 1896 and 1904, when East Central Indiana experienced the Indiana gas boom. The company started in 1907, when a group of investors led by ...

6. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/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 to change their eye position ...

7. Prism (optics) - Wikipedia

   en.wikipedia.org/wiki/Prism_(optics)

   Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.