The sources discuss the epicanthal fold, a small fold of skin found in the inner corner of the human eye. While commonly associated with certain ethnicities, the fold is a normal anatomical feature that can be present in people of various backgrounds.

  • The sources use both “epicanthal fold” and “epicanthus” to refer to this feature.
  • It is located at the medial canthus, the inner corner of the eye.

Factors Influencing the Presence of Epicanthal Folds:

The sources highlight various factors that can influence whether an individual has an epicanthal fold. These factors include:

  • Ancestry: Epicanthal folds are frequently observed in individuals of Asian descent. They can also be seen in some Native American populations and, less commonly, in Europeans.
  • Age: Epicanthal folds are common in young children, regardless of their ancestry. The prominence of the fold often diminishes as the child grows and the bridge of their nose develops.
  • Medical Conditions: While not explicitly mentioned in the sources, certain medical conditions can lead to the appearance of epicanthal folds. For example, individuals with Down syndrome often exhibit prominent epicanthal folds.

Note: It’s important to note that this information about medical conditions is not derived from the provided sources and should be independently verified.

Importance of Evaluation in Newborns:

The sources emphasise the importance of medical evaluation for newborns who present with epicanthal folds but are not of Asian descent. This evaluation is crucial to rule out potential underlying genetic conditions that might be associated with the presence of the fold.

Functionality and Appearance:

  • The sources clarify that epicanthal folds are primarily an aspect of appearance and identity. They do not offer any functional or protective benefits to eye health.
  • Epicanthal folds do not hinder vision or obstruct the passage of light into the eye.
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