That"s what happened to a male in Florida who originally thought he witnessed something moving across his vision, just to discover he had tapeworm living in his eye, follow to news reports.

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The man, Sam Cordero, newly went come the physician after enduring vision problems. "I watch a tiny black dot and it"s only on the left eye. I check out something relocating from left to right," Cordero said the news terminal WFTS in Tampa.

Cordero turned out to have actually an infection through Taenia solium, a pork tapeworm. The parasite traveled from his intestines v his bloodstream and also into his eye. By the moment he witnessed a doctor, the worm was living in the fluid-filled area behind the eye"s lens, dubbed the vitreous chamber, WFTS reported.

T. Solium is a helminth infection that human being can gain by eating raw or undercooked pork, according to the Centers for an illness Control and Prevention. Cordero stated he believes that ate undercooked pork about Christmastime. <"Eye" Can"t Look: 9 Eyeball Injuries That will Make friend Squirm>

Most people infected with this tapeworm don"t experience any symptoms, the CDC says, although some human being with intestinal infections may experience abdominal muscle pain, ns of appetite and weight loss.

Eye infections with pork tapeworms space rare: Only about 20 such cases have been reported worldwide, follow to WFTS. In spite of its rarity, Cordero"s ophthalmologist, Dr. Don Perez, has actually now treated two patients with tapeworm eye infections. (Perez an initial treated a patient with the infection in 2012.)

"I"ve to be hit v lightning since you hardly ever see this," Perez said WFTS.

Pork tapeworms in the eye can cause blindness. The worm"s eggs can additionally infect the brain, where they thrive into cysts. (A person does not require to have an eye infection with the parasite because that it to epidemic the brain; it have the right to infect the brain from elsewhere in the body.)

Cordero had actually an eye procedure to have the tapeworm removed. Throughout the procedure, Perez suctioned the end a 3-millimeter (0.1 inches) tapeworm, in addition to tens of countless eggs, WFTS said.

Cordero is currently parasite-free and has no vision problems. He says he will certainly make a readjust to his way of life after his clinical ordeal: He will no much longer eat pork.

Original write-up on Live Science.

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Rachael has been with Live Science because 2010. She has a master"s level in journalism from new York University"s Science, Health and Environmental report Program. She additionally holds a B.S. In molecule biology and an M.S. In biology from the college of California, san Diego. Her occupational has showed up in Scienceline, The Washington Post and Scientific American.