Conjunctivitis

(from http://en.wikipedia.org/wiki/Spells_in_Harry_Potter#K)

Pronunciation: Unknown

Description: A curse that causes great pain to the victim's eyes.

Seen/Mentioned: It is suggested by Sirius Black in Harry Potter and the Goblet of

Fire as a means for defeating a dragon for the first task of the Triwizard

Tournament, and used by Viktor Krum for this purpose. Mentioned in Harry Potter

and the Order of the Phoenix as cast by Madame Maxime against giants.