c. 1500, "of or pertaining to the eye," from Late Latin ocularis "of the eyes," from Latin oculus "an eye," from PIE root *okw- "to see." As a noun, "eyepiece of an optical instrument," 1835, from the adjective.
ocular muscles
ocular diseases
an ocular organ
an ocular spot is a pigmented organ or part believed to be sensitive to light
ocular inspection
octogenarian
octopod
octopus
octoroon
octuple
ocular
oculist
oculus
oda
odalisque
odd