Iridoplegia is the paralysis of the sphincter of the iris. It can occur in due to direct orbital injury, which may result in short lived blurred vision. __TOC__ Types It can be of three types: accommodative iridoplegia- Noncontraction of pupils during accommodation. complete iridoplegia- Iris fails to respond to any stimulation. reflex iridoplegia- The absence of light reflex, with retention of accommodation reflex. Also called Argyll Robertson pupil.
Etiology Iridoplegia has been reported in association with Guillain-Barré syndrome.
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