Iridoplegia
# Iridoplegia

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.

## 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.

