canthi

The centre of the trephine hole should be at the intersection of the median line and a line joining the posterior canthi (Fig. 188).

The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.

When the eyelids are open, an elliptical space, the palpebral fissure (rima palpebrarum), is left between their margins, the angles of which correspond to the junctions of the upper and lower eyelids, and are called the palpebral commissures or canthi.

X. The Organs of the Senses and the Common Integument. 1c. 3. The Accessory Organs of the Eye 1918

On the fourth day the eyeball was still more inflamed, and the projections at both canthi were increased.

The Dog William Youatt 1811

The horizontal electrooculogram (HEOG), recorded as the difference in activity between electrodes placed lateral to the external canthi, was used to measure horizontal eye movements.

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"The eyes are brighter and the upper eyelid elevated, as also are the brows, the skin over the glabella, the upper lip and the corners of the mouth, while the skin at the outer canthi of the eye is puckered.

Studies in the Psychology of Sex, Volume 5 Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy Havelock Ellis 1899