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KMID : 0360220140550040519
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Journal of the Korean Ophthalmological Society
2014 Volume.55 No. 4 p.519 ~ p.526
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Clinical Outcomes of M-Plus Intraocular Lenses
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Chung Young-Kwon
Park Chang-Won
Hwang Je-Hyung
Joo Choun-Ki
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Abstract
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Purpose: To evaluate the clinical outcomes of eyes implanted with a zonal refractive multifocal intraocular lens (IOL) with an inferior segmental near add (M-plus), and to compare the outcomes between M-plus and a diffractive-type multifocal IOL, AT LISA (366D, bifocal).
Methods: We reviewed 19 eyes from 10 patients who were implanted with M-plus and 52 eyes of 26 patients who were implanted with AT LISA. The clinical outcomes of these 2 intraocular lenses were evaluated at 1 day and 2 months postoperatively, and consisted of distant, intermediate, and near visual acuity, contrast sensitivity, degree of tilt, and decentration using anterior segment photography, depth of focus, and patient satisfaction.
Results: There were no statistical differences between the 2 groups with respect to distant vision, near vision, refractive error, contrast sensitivity, degree of tilt, decentration, or satisfaction score. The M-plus group demonstrated significantly better intermediate visual acuity. In the defocus curve, the M-plus group also demonstrated significantly better visual acuities for intermediate unfocused vision levels.
Conclusions: The M-plus multifocal IOLs are able to provide satisfactory distant and near visual acuity and visual function. The M-plus multifocal IOLs provide better intermediate vision than the AT LISA.
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KEYWORD
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Diffractive, IOL, Refractive, Visual acuity
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