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    12-month results with small-aperture IOL providing patients with an extended range of vision

     

    12-month outcomes

    I recently reported on 34 eyes that have reached 1 year of follow-up following implantation with the IC-8 (Figure 2).4 The mean refractive spherical equivalent is –0.51 D. This is very close to our target of -0.5 to -0.75 D. Mean UDVA is 20/25, mean uncorrected intermediate visual acuity (UIVA) 20/20 and mean uncorrected near visual acuity (UNVA) 20/25.

    These 12-month outcomes demonstrate that implantation provides a continuous, broad range of vision and excellent acuity across all focal distances. Monocular UDVA, UIVA and UNVA improved significantly and remained stable to 12 months. All patients achieved 20/32 or better in the implant eye at distance, intermediate and near vision at 12 months. Additionally, 100% of eyes maintained 20/40 or better visual acuity over the range +0.50 D to –1.50 D of defocus.

    Some may assume that an IOL with a mask would diminish light; however, patients have not complained of issues related to night vision, nor do they notice that their vision is dimmer. There have been few complaints about glare and haloes, a regular concern when implanting multifocal IOLs.

    We have conducted visual field and other traditional tests and have found them to be unaffected by the small-aperture IOL. If the patient develops posterior capsular opacity, a YAG capsulotomy can be performed outside the outer rim of the mask. I have done this, and the sheet of posterior capsule just floats off. As long as it is performed outside the small aperture, vision improves and the patient does well.

    The IC-8 IOL is definitely the most forgiving of all the lenses with which I have experience. Even better, as the implantation procedure is the same in-the-bag procedure as a typical IOL, without the preoperative computations and guesswork, surgeons do not need to change any of their techniques. They only need to follow the targeting guidelines and the IOL takes care of the rest.

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