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Journal Article
Research Support, Non-U.S. Gov't
Long-term outcomes after monocular corneal inlay implantation for the surgical compensation of presbyopia.
Journal of Cataract and Refractive Surgery 2015 March
PURPOSE: To evaluate long-term outcomes of small-aperture corneal inlay implantation for the surgical compensation of presbyopia.
SETTING: Paracelsus Medical University, Salzburg, Austria.
DESIGN: Prospective interventional cohort study.
METHODS: Monocular implantation of a Kamra small-aperture inlay (model ACI7000) (1.6 mm central aperture) was performed in emmetropic presbyopic eyes. The preoperative and postoperative parameters included monocular and binocular uncorrected (UDVA) and corrected (CDVA) distance visual acuities, uncorrected intermediate visual acuity (UIVA), and uncorrected (UNVA) and corrected (CNVA) near visual acuities; refraction; patient satisfaction; and complications.
RESULTS: From September 4, 2006, to May 21, 2007, a small-aperture inlay (1.6 mm central aperture) was implanted in 32 emmetropic presbyopic eyes. The mean binocular uncorrected visual acuities improved as follows: UNVA from Jaeger (J) 6 ± 1.2 lines (∼20/50) to J2 ± 1.8 lines (∼20/25) (P < .001) and UIVA from 0.2 logMAR ± 1.3 lines (∼20/32) to 0.1 logMAR ± 1.3 lines (∼20/25) (P = .04). The UDVA decreased from -0.2 logMAR ± 0.2 lines (∼20/12.5) to -0.1 logMAR ± 0.6 lines (∼20/16) (P < .001). At 60 months, 74.2% of patients had a UNVA of J3 (∼20/32) or better, 87.1% had a UIVA of 0.2 logMAR (∼20/32) or better, and 93.5% had a UDVA of 0.0 logMAR (∼20/20) or better. One inlay was removed after 36 months because of patient dissatisfaction with vision after a hyperopic shift in the surgical eye, with no loss of CDVA or CNVA 2 years after removal.
CONCLUSION: Long-term results of monocular corneal inlay implantation indicate increased UNVA and UIVA and slightly compromised UDVA in emmetropic presbyopic eyes.
FINANCIAL DISCLOSURE: Dr. Grabner was reimbursed for travel expenses from Acufocus. Dr. Riha is a consultant to Acufocus. No other author has a financial or proprietary interest in any material or method mentioned.
SETTING: Paracelsus Medical University, Salzburg, Austria.
DESIGN: Prospective interventional cohort study.
METHODS: Monocular implantation of a Kamra small-aperture inlay (model ACI7000) (1.6 mm central aperture) was performed in emmetropic presbyopic eyes. The preoperative and postoperative parameters included monocular and binocular uncorrected (UDVA) and corrected (CDVA) distance visual acuities, uncorrected intermediate visual acuity (UIVA), and uncorrected (UNVA) and corrected (CNVA) near visual acuities; refraction; patient satisfaction; and complications.
RESULTS: From September 4, 2006, to May 21, 2007, a small-aperture inlay (1.6 mm central aperture) was implanted in 32 emmetropic presbyopic eyes. The mean binocular uncorrected visual acuities improved as follows: UNVA from Jaeger (J) 6 ± 1.2 lines (∼20/50) to J2 ± 1.8 lines (∼20/25) (P < .001) and UIVA from 0.2 logMAR ± 1.3 lines (∼20/32) to 0.1 logMAR ± 1.3 lines (∼20/25) (P = .04). The UDVA decreased from -0.2 logMAR ± 0.2 lines (∼20/12.5) to -0.1 logMAR ± 0.6 lines (∼20/16) (P < .001). At 60 months, 74.2% of patients had a UNVA of J3 (∼20/32) or better, 87.1% had a UIVA of 0.2 logMAR (∼20/32) or better, and 93.5% had a UDVA of 0.0 logMAR (∼20/20) or better. One inlay was removed after 36 months because of patient dissatisfaction with vision after a hyperopic shift in the surgical eye, with no loss of CDVA or CNVA 2 years after removal.
CONCLUSION: Long-term results of monocular corneal inlay implantation indicate increased UNVA and UIVA and slightly compromised UDVA in emmetropic presbyopic eyes.
FINANCIAL DISCLOSURE: Dr. Grabner was reimbursed for travel expenses from Acufocus. Dr. Riha is a consultant to Acufocus. No other author has a financial or proprietary interest in any material or method mentioned.
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