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KMID : 0360220120530121789
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Journal of the Korean Ophthalmological Society
2012 Volume.53 No. 12 p.1789 ~ p.1793
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Comparison of Anterior Chamber Parameter and Refractive Change between Three-Piece and Single-Piece Aspheric Intraocular Lenses
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Kim Hye-Sun
Lee Dong-Min
Ahn Ji-Min
Kim Eung-Kweon
Kim Tae-Im
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Abstract
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Purpose: To compare the anterior chamber depth (ACD), anterior chamber volume (ACV), anterior chamber angle (ACA) and refractive change after cataract surgery between 3-piece and 1-piece aspheric intraocular lens (IOL) implantation.
Methods: The present study consisted of 16 patients (25 eyes) having 3-piece aspheric Tecnisⓡ ZA9003 IOL and 21 patients (30 eyes) having 1-piece aspheric Tecnisⓡ ZCB00 IOL. The ACD, ACV, and ACA were measured using an anterior eye segment analysis system (Pentacam, Oculus, Wetzlar, Germany) preoperatively and postoperatively 1 week and 1 month. Refractive outcomes were evaluated using an autokeratometer.
Results: When comparing the 3-piece (Tecnisⓡ ZA9003) and 1-piece (Tecnisⓡ ZCB00) IOL with the same optic, ACD, ACV, and AVA increased significantly after cataract surgery. The 1-piece IOL showed deeper ACD than the 3-piece IOL at postoperative 1 week and 1 month. Postoperative refraction showed slight myopic shift compared with target diopter, but was stable in both groups.
Conclusions: There was significant increase in ACD, ACV, and ACA after cataract surgery in both IOL-inserted groups. Results showed stable refraction after cataract surgery in both groups. Consideration of the A-constant will be needed because of myopic change with the 1-piece IOL.
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KEYWORD
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Anterior chamber depth, Aspheric IOL, Refraction, Tecnisⓡ ZA9003, Tecnisⓡ ZCB00
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