The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Ocular syphilis: the ocular component or manifestations of syphilis; syphilis's effects on the eyes. In modern nosology not entirely distinct from the rest of neurosyphilis; sometimes formerly differentiated as, or in parallel with, parasyphilis. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.