Introduction
The study aims to evaluate the accuracy of the Callisto eye image-guided system in positioning toric intraocular lenses (IOLs) and compare it with the manual marking technique.
Methods
The study included 80 eyes of 80 patients who underwent cataract surgery with toric IOL implantation. The Callisto eye system group comprised 45 eyes, and the manual marking technique group consisted of 35 eyes.
Results
The preoperative values of both groups were statistically similar in terms of spherical equivalent, corneal cylinder, axial length, logMAR uncorrected distance visual acuity, and logMAR corrected distance visual acuity. At postoperative 3 months, there were no significant differences between the two groups in logMAR uncorrected distance visual acuity, logMAR corrected distance visual acuity, degree of misalignment of toric IOL, or mean deviation from target-induced astigmatism values. The mean deviation degree from the intended axis was 2.04+1.84 in the Callisto eye system group and 3.24+2.64 in the manual marking technique group.
Discussion
The study found that the Callisto eye image-guided system was as effective as the manual marking technique in positioning toric IOLs. Both methods were found to be accurate and effective.
The study suggests that the Callisto eye system is a reliable method for positioning toric IOLs and can be used as an alternative to manual marking techniques.
Manual:
Download: Image-Guided System for Toric IOL Placement: Comparison of Accuracy with Manual Marking Technique
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