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An epicanthic fold or epicanthus [6] is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye. [3] However, variation occurs in the nature of this feature and the possession of "partial epicanthic folds" or "slight epicanthic folds" is noted in the relevant literature.
Although an epicanthic fold can also be associated with a less prominent upper eyelid crease (a feature commonly termed "single eyelids" as opposed to "double eyelids"), the two features are distinct; a person may have both epicanthal folds and an upper eyelid crease, one and not the other, or neither. [2]
An anatomical variation in humans occurs in the creases and folds of the upper eyelid. An epicanthic fold, the skin fold of the upper eyelid covering the inner corner (medial canthus) of the eye, may be present based on various factors, including ancestry, age, and certain medical conditions. In some populations the trait is almost universal ...
The lateral palpebral commissure (commissura palpebrarum lateralis; external canthus) is more acute than the medial, and the eyelids here lie in close contact with the bulb of the eye. The medial palpebral commissure (commissura palpebrarum medialis; internal canthus) is prolonged for a short distance toward the nose , and the two eyelids are ...
Download as PDF; Printable version; ... Crease of the upper eyelid – having either a "single" or "double" eyelid Epicanthic fold;
Telecanthus comes from the Greek word τῆλε (tele, "far") and the latinized form of the Greek word κάνθος, (kánthos, meaning 'corner of the eyelid'. Dystopia canthorum comes from the Greek δυσ - (dus-, “bad”) and τόπος (tópos, “place”) and the latinized Greek word κάνθος, adapted to latin morphology canthorum ("of the canthi").
An eyelid is a thin fold of skin that covers and protects the eye. The levator palpebrae superioris muscle helps in the movement of eyelid. The human eyelid features a row of eyelashes along the eyelid margin, which helps in protection of the eye from dust and foreign debris. The main function of eyelid is to keep the cornea moist and clean.
More specifically, it is the fold of the upper eyelid folding over the inner corner of the eye (the rest of the eyelid crease can be present above the eyelid bottom anywhere else around the eye, however the epicanthic fold is specifically where it crosses the inner corner of the eye [below the lower edge of the eyelid]).