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2. 7 Best Solar Eclipse Glasses for Watching Next Week's Total ...

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   Welding Glasses with Black Frame and Shade 14 Lenses If you’re looking for a pair of glasses sturdy enough to survive years of use, reach for this pair of welding glasses from Phillips Safety.

3. Welding helmet - Wikipedia

   en.wikipedia.org/wiki/Welding_helmet

   Welding helmet. A welding helmet in use. A welding helmet is a type of personal protective equipment used in performing certain types of welding to protect the eyes, face, and neck from flash burn, sparks, infrared and ultraviolet light, and intense heat. The modern welding helmet used today was first introduced in 1937 by Willson Products.

4. 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 ...

5. Stare at the Solar Eclipse — Safely — With These Expert ...

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6. Didymium - Wikipedia

   en.wikipedia.org/wiki/Didymium

   Didymium glasses. Didymium (Greek: δίδυμο, twin) is a mixture of the elements praseodymium and neodymium.It is used in safety glasses for glassblowing and blacksmithing and filter lenses for flame testing, especially with a gas ()-powered forge [why?], where it provides a filter that selectively blocks the yellowish light at 589 nm emitted by the hot sodium in the glass without having a ...

7. Photokeratitis - Wikipedia

   en.wikipedia.org/wiki/Photokeratitis

   Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva.