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The nictitating membrane of a masked lapwing as it closes over the left eye, originating from the medial canthus. The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial canthus to protect and moisten it while maintaining vision.
Safety glasses provide eye protection against flying debris for construction workers or lab technicians; these glasses may have protection on the sides of the eyes as well as in the lenses. Some types of safety glasses are used to protect against visible and near-visible light or radiation .
The 1967 edition of ANSI Z49.1.7.2.2.10 specifies that "all filter lenses and plates shall meet the test for transmission of radiant energy prescribed in paragraph 6.3.4.6 of the Safety Code for Head, Eye and Respiratory Protection, USA Standard Z2.1-1959".
The history of protective eyewear goes back to 1880, when P. Johnson invented eye protectors. [6] Johnson's design used two layers of semi-opaque cloth. He had in mind that firemen, furnace-men and others exposed to intense light would use them to reduce the light intensity. They did not provide impact protection.
An Iranian art related to verse of evil eye . The Verse of Evil Eye (Arabic: آیه وَإِن يَكَادُ) is verses 51 and 52 of Al-Qalam in the Quran. It is usually recited for protection from the evil eye. It states: "And indeed, those who disbelieve would almost make you slip with their eyes when they hear the message, and they say ...
The third eye (also called the mind's eye or inner eye) is an invisible eye, usually depicted as located on the forehead, supposed to provide perception beyond ordinary sight. [1] In Hinduism , the third eye refers to the ajna (or brow) chakra .