What is the significance of the term 'Iridodonesis' in the medical field?
Iridodonesis () is the vibration or agitated motion of the iris with eye movement. This may be caused by lens subluxation, the incomplete or partial dislocation of the lens; or by aphakia, the absence of a lens. The term originated from irido- (Latin: iris) + doneo (Greek: δονεο, to shake to and fro).

See also
Phacodonesis

References
External links
An example of iridodonesis on YouTube