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Comparison of Pre-operative Measurements With Intraoperative Aberrometry in Predicting Correction for Low Toric Lens Correction in Cataract Surgery

Cataract Surgery Clinical Trial

Official title:
Comparison of Pre-operative Measurements With Intraoperative Aberrometry in Predicting Needed Correction for Low Toric Lens Correction in Cataract Surgery

Clinical Trial Summary

Examination of the accuracy of toric predictive power in patients with 1.5 diopters of astigmatism or less.

Clinical Trial Description

Based on preoperative keratometry and using the Baylor Nomogram and a standard factor for surgically-induced astigmatism, the investigators will calculate "keratometry-based total astigmatism" for each patient. This will be compared to "aberrometry-based total astigmatism", i.e. the total astigmatism measured by ORA in each case. With this information the investigators will determine in what portion of patients keratometry-based total astigmatism vs aberrometry-based total astigmatism predicts a need for astigmatism correction, (i.e., total astigmatism is greater than or equal to 0.5 D) during cataract surgery. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04247152
Study type Interventional
Source Research Insight LLC
Contact
Status Completed
Phase N/A
Start date July 22, 2019
Completion date September 25, 2019
View Details
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