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- Commonly associated with haptic misplacement.
- Can be a complication of anterior chamber IOLs, especially in eyes with oversized angle-supported AC IOLs or secondary to iris tuck.
- Usually asymptomatic, but in certain cases may cause significant symptoms of night glare, halos or diplopia.
- The axis of the pupillary distortion usually coincides with the major axis of the AC IOL
- Chronic haptic loop compression against the iris root could induce ischemic and inflammatory changes as well as sector iris atrophy.
- Correct positioning of the haptics and precise measurement of limbus-to-limbus diameter are essential for an optimal surgical result.
- Topical steroids may be appropriate for inflammation reaction.
- IOL explantation may be required in cases with severe symptoms and compromised anterior chamber structures that cause uveitis, glaucoma, hyphema (UGH) syndrome, corneal endothelial loss or pseudophakic bullous keratopathy.