The canthus is either corner of the eye where the upper and lower eyelids meet. More specifically, the inner and outer canthi are, respectively, the medial and lateral ends/angles of the palpebral fis
The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance.
Canthus
…The word canthus is the Latinized form of the Ancient Greek κανθός (kanthós), meaning 'corner of the eye'. The eyes of East Asian and some Southeast Asian people tend to have the inner canthus veiled by the epicanthus. In the Caucasian or double eyelid, the inner…
The eye of the right side of the face, showing its visible components - a white sclera, a green iris, and the black pupil, in its orbit surrounded by the lids and lashes