Lens & Cataract-Atonic Pupil

Atonic Pupil

Clinical features:
- Symptoms: glare.
- Signs: enlarged, irregular, poorly reactive pupil.
- May occur following pupil stretching or sphincterotomies during cataract surgery for a small, non-dilated pupil.
- Commonly seen in patients on long-term miotic drops.
Management:
- Treatment of symptoms to reduce glare with sunglasses, shades or tinted contact lens.
- Pilocarpine may be useful to regularize the pupillary border.

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