科研之友
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摘要
AIM: To compare the outcomes of vision using two different intraocular lens (IOL) replacement techniques, iris-fixated foldable intraocular lens (IF-IOL) and scleral-fixated foldable intraocular lens (SF-IOL) in patients with insufficient capsular support. @@@ METHODS: Total 63 eyes (62 patients) with insufficient posterior capsule support underwent replacement of IF-IOL or SF-IOL between January 2008 and August 2011. Outcome measures included changes in visual acuity, slit lamp examination, refractive indices and corneal curvatures. @@@ RESULTS: The mean improvement of uncorrected visual acuity (UCVA) was greater in IF -IOL group compared to the SF-IOL group (0.43 D +/- 0.19 D VS 0.35 D +/- 0.18 D, P < 0.05). Moreover, 12 (38.71%) eyes in IF-IOL group and 4 (12.50%) in SF -IOL group had a higher postoperative UCVA than preoperative best corrected visual acuity (BCVA) while 9 (29.03%) eyes in IF-IOL group and 18 (56.25%) in SF-IOL group had a lower postoperative UCVA than preoperative BCVA. The myopic mean manifest sphere and mean cylinder magnitude were lower in the IF-IOL group than that in the SF-IOL group (-0.47 D +/- 0.58 D vs 0.50 D +/- 0.43 D, P < 0.01; 0.84 D +/- 0.53 D VS 1.23 D +/- 0.70 D, P < 0.05). No difference of corneal astigmatism and surgically induced astigmatism was found between the two groups. In addition, fewer complications were observed in IF-IOL eyes. @@@ CONCLUSION: IF -IOL implantation can give a significant improvement in vision with fewer complications than SF-IOL in patients with insufficient capsular support.
