研究目的
To compare the visual performance and postoperative vision-related quality of life in patients implanted with toric IOLs versus non-toric IOLs made of the same material.
研究成果
Toric IOLs reduced spectacle dependency more than non-toric IOLs and did not compromise subjective visual function, but uncorrected 50 cm vision was worse in toric IOL implanted eyes.
研究不足
The study was retrospective, and patients were not randomly selected for the toric or non-toric groups. The timing of cataract surgery slightly differed between the groups.
1:Experimental Design and Method Selection:
A case-control study comparing patients implanted with toric IOLs bilaterally to a matched control group implanted with non-toric IOLs bilaterally.
2:Sample Selection and Data Sources:
Patients who underwent bilateral cataract surgery at the Department of Ophthalmology, Tsukazaki Hospital between April 2009 and June
3:List of Experimental Equipment and Materials:
20 Acrysof IQ? toric IOLs (SN6AT3-9) and Acrysof IQ? IOLs (SN60WF), IOL Master (Carl Zeiss), AL-3000 (TOMEY), KR-8900 (Topcon), CGT-1000 (Takagi Seiko), KR-1W (Topcon).
4:Experimental Procedures and Operational Workflow:
Preoperative examinations included axial length, radius of corneal curvature, corneal astigmatism, pupil size, refractive status, ocular aberrometry, distance VA, near VA and contrast sensitivity. Postoperative examinations included CDVA, UDVA, CNVA, UNVA, contrast sensitivity, pupil size, ocular aberrometry, VFQ-25, and spectacle dependency.
5:Data Analysis Methods:
Statistical analyses were performed using JMP, version 10.0 (SAS Institute Inc.).
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Acrysof IQ toric IOLs
SN6AT3-9
Alcon Inc.
Correcting astigmatism during cataract surgery
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Acrysof IQ IOLs
SN60WF
Alcon Inc.
Used in cataract surgery
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IOL Master
Carl Zeiss
Measuring axial length
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AL-3000
TOMEY
Measuring axial length
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KR-8900
Topcon
Measuring radius of corneal curvature, corneal astigmatism and refractive status
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CGT-1000
Takagi Seiko
Measuring contrast sensitivity
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KR-1W
Topcon
Measuring pupil size and ocular aberrometry
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