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Phakic iris-claw IOL implantation results in BCVA increase in highly myopic eyes

Eur J Ophthalmol. 2009;19(1):18-23.

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Patients implanted with a phakic iris-claw IOL through a self-sealing scleral tunnel had gains of one to nine lines of best corrected visual acuity on the Snellen chart.

The lens was implanted through a 5.5-mm or 6.5-mm self-sealing scleral tunnel using the Bursa technique in a study. The technique was performed without iridotomy or iridectomy in deep anterior chambers, and suturing was not required, the researchers said.

The retrospective study examined 12 subjects younger than 40 years who had high myopia. Preoperative and postoperative measurements of manifest and cycloplegic refractions, uncorrected visual acuity, BCVA, induced astigmatism and IOP were assessed. Mean follow-up was 14.4 ± 5.8 months.

All eyes in the study gained at least one line of BCVA, with an induced astigmatism of 0.63 D. There was no significant IOP change.

"The data suggest that nonfoldable iris-fixated phakic IOL implantation, through a self-sealing incision with Bursa technique, is safe and requires no iridectomy or iridotomy in cases with deep anterior chambers," the authors said.