Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/79445
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Type: Journal article
Title: Objective accommodation measurement of the crystalens HD compared to monofocal intraocular lenses
Author: Zamora-Alejo, K.
Moore, S.
Parker, D.
Ullrich, K.
Esterman, A.
Goggin, M.
Citation: Journal of Refractive Surgery, 2013; 29(2):133-139
Publisher: Slack Inc
Issue Date: 2013
ISSN: 1081-597X
1938-2391
Statement of
Responsibility: 
Katherine V. Zamora-Alejo, Sacha Pierre Moore, Douglas G. A. Parker, Katja Ullrich, Adrian Esterman, Michael Goggin
Abstract: PURPOSE: Objective evaluation of accommodation with a bilateral accommodating intraocular lens (IOL) versus monofocal IOLs. METHODS: Patients received accommodating IOL (Crystalens HD; Bausch & Lomb, Rochester, NY) bilaterally after cataract surgery. These were compared to a matched group receiving monofocal IOLs. Preoperative and postoperative distance corrected distance, intermediate, and near vision were evaluated. Objective accommodation was measured with the WAM-5500 Binocular Autorefractor/Keratometer (Grand Seiko, Pty Ltd., Hiroshima, Japan). RESULTS: Nineteen patients were included. Ten received the Crystalens HD in both eyes and nine received one of three monofocal lenses in each eye. Mean postoperative distance corrected distance visual acuity was not statistically different between the two groups. Mean distance corrected intermediate vision was better in the Crystalens HD group (logMAR 0.24 ± 0.11 [control], logMAR 0.11 ± 0.10 [Crystalens HD], P = .033). The groups did not differ signifi cantly for mean distance corrected near vision (logMAR 0.54 ± 0.12 [control], logMAR 0.42 ± 0.15 [Crystalens HD], P = .087). However, a signifi cantly greater proportion of Crystalens HD eyes achieved 0.4 or 0.3 logMAR for near wearing their distance correction (P = .013). With distance correction, the mean spherical equivalent failed to show any myopia with accommodative effort in either group. Low contrast and low luminance contrast acuity were not signifi cantly different. CONCLUSION: The Crystalens HD showed some benefi t for intermediate visual function compared to the monofocal IOLs with both groups wearing full correction for distance. There were no signifi cant signs of accommodation in either group.
Keywords: Humans
Pseudophakia
Refraction, Ocular
Phacoemulsification
Lens Implantation, Intraocular
Case-Control Studies
Prosthesis Design
Lenses, Intraocular
Visual Acuity
Accommodation, Ocular
Aged
Aged, 80 and over
Middle Aged
Female
Male
Rights: Copyright © SLACK Incorporated
DOI: 10.3928/1081597X-20130117-09
Appears in Collections:Aurora harvest 4
Opthalmology & Visual Sciences publications

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