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Piggybacking intraocular implants to correct pseudophakic refractive error.

J L Gayton·V Sanders·M Van der Karr·M G Raanan
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Abstract

OBJECTIVE: To determine the safety and efficacy of implanting a second intraocular lens (IOL) to correct pseudophakic refractive error. DESIGN: Noncomparative, prospective, consecutive case series. PARTICIPANTS: Eight eyes of eight normal pseudophakes and seven eyes of seven postpenetrating keratoplasty (PK) pseudophakes were included in the study. INTERVENTION: A second intraocular lens (IOL) was implanted anterior to the first in each eye in the study. MAIN OUTCOME MEASURES: Efficacy was determined based on the achieved refractive correction and Snellen uncorrected visual acuity measurements. Safety was determined based on loss of best-corrected visual acuity and operative and postoperative complications. RESULTS: Before surgery, spherical equivalents ranged from -5.12 diopters (D) to 7.5 D, with a mean absolute deviation from emmetropia of 3.38 D (1.62). After surgery, spherical equivalents ranged from -2.75 D to 0.5 D, with a mean absolute deviation from emmetropia of 1.21 D (0.90). Before surgery, only 7% of patients had 20/40 or better uncorrected vision, whereas after surgery, 50% had that level of vision. CONCLUSIONS: Implanting a second IOL is a viable option for correcting pseudophakic refractive error.

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HumansHyperopiaKeratoplasty, PenetratingLens Implantation, IntraocularLenses, IntraocularProspective StudiesPseudophakiaRefraction, OcularSafetyTreatment OutcomeVisual AcuityClinical TrialJournal Article

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BibTeXRIS

J L Gayton, V Sanders, M Van der Karr, M G Raanan. 1999. Piggybacking intraocular implants to correct pseudophakic refractive error.. https://doi.org/10.1016/s0161-6420(99)90005-2

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