Exotropia is a type of Squint
(which is also known as Strabismus
and as Heterotropia).
Recall that a squint is an abnormal alignment of the eyes.
Exotropia is a divergent squint, meaning that
one or both eyes are turned outwards - away from the nose.
There are several forms (classifications) of exotropia,
- Congenital Exotropia - meaning exotropia that is
present since birth.
- Intermittent Exotropia - as may occur in children.
- Secondary Exotropia - accomodative, or non-accomodative.
- Consecutive Exotropia - such as post-surgery for
(which is the form of squint in which the eye/s are directed abnormally
Exotropia can usually be treated. Management depends
on the particular case.
Examination for this purpose may involve ophthalmoscopy
(a non-surgical, non-invasive procedure).
Terms used to refer to the main forms of squint
- Horizontal: Convergent Strabismus (also called
- Horizontal: Divergent Strabismus (also called Exotropia)
- Vertical: Hypertropia
(an eye looks upwards)
- Vertical: Hypotropia
(an eye looks downwards)
- Eyes twisted clockwise or anticlockwise relative to each
More about Ophthalmology: This section includes short definitions
of many diseases, disorders, and conditions of the eyes and visual system.
For definitions of other terms in this category, choose from the list
to the left (but note that this is not a complete/exhaustive list).
Other related pages include the diagram
of the eye, and definitions
of parts of the eye, a description
of the human retina, and definitions
of parts of the retina, and the section of short definitions
of clinical and surgical procedures re. eyes and human visual system.
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