eye worm

noun

Medical Definition of eye worm

: a parasitic worm found in the eye: as
a : either of two slender nematode worms of the genus Oxyspirura (O. mansoni and O. petrowi) living beneath the nictitating membrane of the eyes of birds and especially chickens
b : any member of the nematode genus Thelazia living in the tear duct and beneath the eyelid of dogs, cats, sheep, humans, and other mammals and sometimes causing blindness
c : an African filarial worm of the genus Loa (L. loa) that migrates through the eyeball and subcutaneous tissues of humans — compare calabar swelling

Learn More about eye worm

Cite this Entry

“Eye worm.” The Merriam-Webster.com Medical Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/medical/eye%20worm. Accessed 12 December 2019.

Comments on eye worm

What made you want to look up eye worm? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a period of high artistic development

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!