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Turk J Ophthalmol. 2019 Oct 24;49(5):277-282. doi: 10.4274/tjo.galenos.2019.79735.

Dislocated Intraocular Lens Extraction and Iris-Claw Lens Implantation in Vitrectomized and Non-vitrectomized Eyes

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İstanbul Retina Institute, İstanbul, Turkey



To compare the outcomes and complications of dislocated intraocular lens (IOL) extraction and secondary iris-claw IOL (ICIOL) implantation in vitrectomized and non-vitrectomized eyes.

Materials and Methods:

This retrospective study included 19 vitrectomized eyes and 11 non-vitrectomized eyes that underwent dislocated IOL extraction and secondary anterior chamber ICIOL implantation between June 2014 and September 2017 and had at least one year of follow-up.


There were no significant differences between the groups in terms of demographic data, operative time, baseline anatomic and functional measurements, or postoperative changes in these measurements (all p>0.05). Postoperative best corrected visual acuity was significantly higher than preoperative values in both groups (both p<0.05). Complication rates did not differ between the groups (all p>0.05). In both groups, endothelial cell density was significantly lower at postoperative 1 year compared to preoperative measurements. There was no significant difference between groups regarding endothelial cell loss (p=0.49). One vitrectomized eye had corneal decompensation. Other complications included hyphema, transient increase of intraocular pressure, secondary glaucoma, pupillary irregularity, and dislocation of ICIOL. Mean operative time was 26.4±5.9 minutes.


Dislocated IOL extraction and secondary anterior chamber ICIOL implantation is a safe treatment option in both vitrectomized and non-vitrectomized eyes.


Aphakia; intraocular lens dislocation; iris-claw lens; secondary lens implantation; vitrectomy

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