Toric intraocular lens orientation and residual refractive astigmatism: an analysis

To analyze intraocular lens (IOL) orientation data from an online toric back-calculator (astigmatismfix.com) for determining if differences were apparent by lens type. A retrospective review of astigmatismfix.com toric back-calculations that included IOL identification and intended orientation axis....

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Bibliographic Details
Published in:Clinical ophthalmology (Auckland, N.Z.) N.Z.), 2016-01, Vol.10, p.1829-1836
Main Authors: Potvin, Rick, Kramer, Brent A, Hardten, David R, Berdahl, John P
Format: Article
Language:English
Subjects:
AcrySof
Cataracts
Clinical outcomes
Contact lenses
Cornea
Cylinder
Data analysis
Datasets
Eye surgery
Ophthalmology
Original Research
Rotation
Software
Surgeons
Systematic review
Tecnis
Toric-back calculator
Web sites
Citations: Items that cite this one
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Description
Summary:To analyze intraocular lens (IOL) orientation data from an online toric back-calculator (astigmatismfix.com) for determining if differences were apparent by lens type. A retrospective review of astigmatismfix.com toric back-calculations that included IOL identification and intended orientation axis. Of 12,812 total validated calculation records, 8,229 included intended orientation and lens identification data. Of the latter, 5,674 calculations (69%) involved lenses oriented 5° or more from their intended position. Using estimated toric lens usage data, the percentage of lenses with orientation ≥5° from intended was 0.89% overall, but the percentage varied significantly between specific toric lens brands (
ISSN:1177-5467
1177-5483
1177-5483
DOI:10.2147/OPTH.S114118