Esodeviation refers to a condition where one or both eyes tend to turn inward, towards the nose.
Understanding Esodeviation
Esodeviation is a type of ocular deviation, meaning a misalignment of the eyes. According to the Human Phenotype Ontology (HPO), it is:
A manifest or latent ocular deviation in which one or both eyes tends to deviate nasally.
This definition highlights two key aspects:
- Nasal Deviation: The eyes drift inward, towards the nose. This inward turning can be constant (manifest) or occur only under certain conditions (latent).
- Unilateral or Bilateral: The deviation can affect one eye (unilateral) or both eyes (bilateral).
Types of Esodeviation
Esodeviations can manifest in different forms, each with unique characteristics:
- Esotropia: A manifest esodeviation, also known as convergent strabismus or cross-eyed, where the eye turns inward constantly.
- Esophoria: A latent esodeviation, where the eye tends to turn inward but is kept aligned by the individual's fusional abilities. The inward turning may become apparent when one eye is covered.
Considerations
- Diagnosis: Proper diagnosis by an eye care professional is crucial for determining the type and cause of esodeviation.
- Treatment: Treatment options may include glasses, vision therapy, prisms, or surgery, depending on the severity and underlying cause.
