Last revised by Frank Gaillard on 14 May 2024

Telecanthus (rare plural: telecanthi) represents an increased distance between the medial canthi. This is not to be confused with hypertelorism, which refers to an abnormally increased interpupillary distance.

Telecanthus can occur in isolation with a normal interpupillary distance (such as a chronic nasal polyp), or in conjunction with hypertelorism.

Additionally, the width of the eyelids can be reduced (the lateral canthi are normally located), leading to blepharophimosis 2.

Causes and associations

Treatment and prognosis

If necessary, telecathus can be corrected surgically 3.

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