Retrodeviation is a term commonly used in the medical field to describe a specific type of eye movement. The word can be broken down into two parts: retro, meaning "backward," and deviation, meaning "departure from normal." The IPA transcription of this word would be [ˌrɛtroʊdɛviˈeɪʃən], with stress on the third syllable. This spelling accurately captures the pronunciation of the word and helps medical professionals worldwide communicate clearly and effectively when discussing this type of eye movement.
Retrodeviation is a term used in the field of ophthalmology to describe an abnormal inward rotation or turning of one or both eyes. It refers specifically to the phenomenon where an eye or both eyes deviate in a retrograde or backward direction towards the midline of the face. Retrodeviation is an atypical eye position that can result in the affected eye appearing to turn inwards towards the nose.
This condition can be congenital, meaning it is present at birth, or acquired due to various factors, such as trauma, nerve damage, or certain medical conditions. Retrodeviation may be caused by muscle imbalances or weakness in the extraocular muscles responsible for controlling eye movement.
The abnormal eye position associated with retrodeviation can give rise to symptoms such as diplopia (double vision), eye strain, and visual disturbances. Individuals with retrodeviation may also experience difficulties with eye coordination and binocular vision.
Treatment options for retrodeviation depend on the underlying cause and severity of the condition. Non-surgical approaches may include vision therapy, prism glasses, or the use of eye patches to help strengthen weakened eye muscles and restore proper eye alignment. In some cases, surgical intervention may be necessary to correct the muscle imbalance and realign the eyes to their normal position. Regular monitoring by an ophthalmologist is important to assess the progress and manage the treatment of retrodeviation effectively.
A backward bending or inclining, retro displacement.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "retrodeviation" is a medical term used in ophthalmology to describe the abnormal alignment or positioning of the eye, specifically when the eye moves backward or deviates away from its normal position.
The term "retro-" is derived from the Latin prefix "retro", meaning "backward" or "behind". "Deviation" comes from the Latin word "deviare", meaning "to turn away" or "to stray".
Therefore, the etymology of "retrodeviation" can be understood as a combination of the Latin prefix "retro" and the word "deviation", indicating the backward or abnormal turning away of the eye.