alexa Quality of vision after AMO Array multifocal intraocular lens implantation.
General Science

General Science

Biological Systems: Open Access

Author(s): Sen HN, Sarikkola AU, Uusitalo RJ, Laatikainen L

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Abstract PURPOSE: To evaluate safety and efficacy of Array SA40N multifocal intraocular lens (IOL) (AMO) implantation in cataract surgery. SETTING: Helsinki University Eye Hospital, Helsinki, Finland. METHODS: In this prospective randomized comparative trial, 80 patients scheduled for cataract surgery were selected based on preoperative counseling and randomized to have multifocal or monofocal IOL implantation. Fifty-three eyes of 35 patients received a multifocal IOL and 67 eyes of 40 patients, a monofocal IOL. The incidence of complications and visual outcome in the multifocal and monofocal IOL groups were compared. Quality of vision was measured by comparing the severity of visual symptoms (glare, halos, and cataract symptoms score), changes in functional impairment measured by a 7-item visual function test (VF-7), changes in global measures of vision (trouble and satisfaction with vision), and range of accommodation and contrast sensitivity. RESULTS: Intraoperative and postoperative complications and adverse events were few and required no further surgical intervention. Both distance and near visual acuities were significantly better in the multifocal group than in the monofocal group; the difference was most prominent in distance corrected near acuity (P<.001). Thirty-five eyes (67.3\%) in the multifocal group and 10 eyes (14.9\%) in the monofocal group achieved a distance corrected near acuity of J6 (20/40) or better; 30 eyes (56.6\%) and 19 eyes (28.4\%), respectively, achieved a best corrected distance acuity of 20/20 or better. Glare symptoms decreased postoperatively in both groups but were slightly more common in the multifocal group. In contrast, halos were significantly more common at 1 month in the multifocal group (P<.001). Contrast sensitivity values were slightly lower with multifocal IOLs at almost all spatial frequencies, but the difference was not significant. The change in the quality of life postoperatively, measured with the VF-7, was significant and identical in both groups. CONCLUSIONS: Pseudophakic eyes with multifocal IOLs had better distance and near acuity and range of accommodation than eyes with a monofocal IOL. Slightly lower contrast sensitivity and increased perception of halos by subjects with the multifocal IOL appear to be an acceptable compromise to enhanced near and distance vision. This article was published in J Cataract Refract Surg and referenced in Biological Systems: Open Access

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