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Precision pulse capsulotomy: performance metrics and utility in routine and complex cases.

Cristos Ifantides¹, Junhun Lee, Rajy Rouweyha

¹From the Department of Ophthalmology, University of Colorado (Ifantides), Aurora, Division of Ophthalmology, Denver Health Medical Center (Ifantides), Denver, Colorado, Lasik of Nevada (Rouweyha), Las Vegas, Nevada, Houston Eye Associates (Vital), Houston, Texas, Centricity Vision Inc. (Sretavan), Carlsbad, California, USA; I-Back Eye Clinic (Lee), Daegu, South Korea.

Journal of Cataract and Refractive Surgery

|July 18, 2020

Summary

Precision pulse capsulotomy (PPC) demonstrated high success rates for creating free-floating capsulotomies, achieving excellent capsular overlap in routine and complex cataract surgeries.

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Area of Science:

Ophthalmology
Surgical Technology
Cataract Surgery

Background:

Cataract surgery involves creating a capsulotomy for intraocular lens (IOL) insertion.
Achieving a precise and consistent capsulotomy is crucial for optimal surgical outcomes.
Precision Pulse Capsulotomy (PPC) is an emerging technology for capsulotomy creation.

Purpose of the Study:

To evaluate the performance and outcomes of Precision Pulse Capsulotomy (PPC).
To assess PPC's effectiveness in various cataract surgery scenarios, including challenging cases.

Main Methods:

A multicenter retrospective analysis of 337 cataract surgeries utilizing PPC.
Surgical videos were analyzed to assess capsulotomy completion rate, diameter, roundness, and capsular overlap.
Evaluation included cases with comorbidities such as traumatic cataracts and zonular dialysis.

Main Results:

PPC achieved a 99.4% rate of free-floating capsulotomies.
Mean capsulotomy diameter was approximately 5.0 mm with excellent roundness and 98% 360-degree capsular overlap.
PPC demonstrated successful application in complex cases, including traumatic cataracts and those with phacodonesis.

Conclusions:

Precision Pulse Capsulotomy (PPC) provides reliable and consistent capsulotomy outcomes.
The technique is effective in both routine and challenging cataract surgeries, even with significant comorbidities.
While capsulotomy parameters were consistent, some variation in IOL optic center offset was noted.