Epicanthus
Epicanthus (pronunciation: /ɛpɪˈkænθəs/), also known as an epicanthic fold, is a skin fold of the upper eyelid that covers the inner corner of the eye. The presence of an epicanthus is normal in infants of all races, and it typically disappears as the child grows. However, it may persist in some individuals, particularly those of East Asian descent.
Etymology
The term "epicanthus" is derived from the Greek words "epi-" (meaning "upon") and "kanthos" (meaning "corner of the eye").
Types of Epicanthus
There are four main types of epicanthus:
- Epicanthus tarsalis: This type is more common in people of East Asian descent and is characterized by a fold in the upper eyelid that covers the inner corner of the eye.
- Epicanthus inversus: This type is characterized by a fold in the lower eyelid that covers the inner corner of the eye. It is often associated with certain medical conditions, such as Down syndrome.
- Epicanthus palpebralis: This type involves folds in both the upper and lower eyelids.
- Epicanthus superciliaris: This type is characterized by a fold that extends from the eyebrow to the lower eyelid, partially covering the inner corner of the eye.
Related Terms
- Blepharoplasty: A surgical procedure to correct deformities, defects, or disfigurations of the eyelids.
- Ptosis (eyelid): A drooping or falling of the upper or lower eyelid.
- Strabismus: A condition in which the eyes do not properly align with each other when looking at an object.
See Also
External links
- Medical encyclopedia article on Epicanthus
- Wikipedia's article - Epicanthus
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