Strabometer
/ˌstræbəˈmɪtər/noun
An instrument used to measure ocular deviation in strabismus, commonly called squint or crossed eyes.
Did you know?Its first element comes from Greek strabos, “squinting” or “looking obliquely,” the same root behind strabismus, a condition once surrounded by theories about abnormal or enchanted vision.
Etymological Timeline
Proto-Indo-European
PIE
*met-
“To measure; the reconstructed root behind Greek words connected with measurement.”
Ancient Greek
Greek
strabos
“Squinting, looking obliquely, or having eyes that do not align normally.”
Ancient Greek
Greek
metron
“A measure, measuring device, or standard of measurement.”
Late 19th–Early 20th Century
Medical English
strabismus
“Abnormal deviation or misalignment of one eye relative to the other; formed from Greek strabismos.”
20th Century
English
strabometer
“A measuring instrument designed to quantify ocular deviation in strabismus.”