Photokeratitis or ultraviolet keratitis is a painful eye condition, caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural or artificial sources. Photokeratitis is akin to a sunburn of the cornea and conjunctiva, and is not usually noticed until several hours after exposure. Symptoms include increased tears, a feeling of gritty pain in the eyes.
The injury may be prevented by wearing eye protection that blocks most of the ultraviolet radiation, such as welding goggles with the proper filters, a welder's helmet, sunglasses rated for sufficient UV protection, or appropriate snow goggles. The condition is usually managed by removal from the source of ultraviolet, covering the corneas, and administration of pain relief.
The injury may be prevented by wearing eye protection that blocks most of the ultraviolet radiation, such as welding goggles with the proper filters, a welder's helmet, sunglasses rated for sufficient UV protection, or appropriate snow goggles. The condition is usually managed by removal from the source of ultraviolet, covering the corneas, and administration of pain relief.
by MOOOOOOOOOOOOOOOOOOOSE November 27, 2010
An employee, usually a woman, that can't be fired because one person thinks that she is invaluable, yet unbelievably annoying to every other employee who just want to burn her at the stake like joan of arc.
Missy cleans the toilets once a week and acts like she is the bees knees, why can't she just die like joan of arc did?
by Papa Zee 24 February 25, 2012
My favourite part was the instant I released the piss from my vas deferens and it began the arc of the covenant
by Rolfus December 24, 2007
This Woman was a famous women in the 14th century who directed a French battle and war, called the Hundred Year War against the British. She died at the stake after she was caught by the damn Brits and was burned on the file of the fact that she was a witch. She was actually a very nice Woman, as my great great great great grandfather knew her closely. She was sainted after her death, and she has been turned into a Yu-Gi-Oh! card.
by BuckSnort December 21, 2005
To produce a bowel movement so extreme in its smell that the next person who enters the bathroom into the room will have their face melted off, a-la Raiders of the Lost Ark when the "Arc of the Covenant" was opened.
"Guys, I had a big steak dinner last night along with some onion soup. Now that I've gone and finished my morning coffee I'm gonna go to the bathroom and open the Arc of the Covenant."
by Alex Flores November 15, 2007
by Memehub.com December 19, 2021
by 69420Sussybaka69420 December 29, 2021