Midperipheral mini-capsulorhexis as an additional step for safe phacoemulsification in white intumescent cataracts
Kiranjit Singh1, Sukarma Singh1, Sujay Herekar1
1Cataract and Anterior Segment, Daljit Singh Eye Hospital, Amritsar, Punjab, India.
Abstract:
The present article describes a novel surgical technique of a primary mini-capsulorhexis in midperiphery to minimize surgical complications in white intumescent cataracts. Patients with white mature cataracts with a convex anterior capsule or swollen lens fibers were selected. An initial puncture was made 3-4 mm away from the center, in the midperipheral anterior capsule, with a conventional cystitome. A mini-capsulorhexis (2-2.5 mm) was created. Loose cortical matter and fluidic contents were aspirated to reduce the intralenticular pressure. Two cuts were made at the margin of the mini-capsulorhexis, and an adequately sized secondary rhexis was completed, after which phacoemulsification was done. A circular curvilinear capsulorhexis was successfully achieved in all cases, including those with a small pupil. Rhexis could be completed in a patient where an initial extension occurred due to head movement. This refined technique aims to enhance the safety and precision of capsulorhexis in intumescent cataracts, thereby reducing the risk of complications such as the Argentinian flag sign. Further exploration and validation of this approach through clinical trials are warranted to establish its efficacy and safety profile.
Insights
This study introduces a new mini-capsulorhexis technique for white intumescent cataracts, improving surgical safety and reducing complications like the Argentinian flag sign.
Area of Science:
- Ophthalmology
- Surgical Innovation
- Cataract Surgery
Background:
- White intumescent cataracts present unique surgical challenges due to their density and potential for high intralenticular pressure.
- Conventional capsulorhexis techniques can be difficult and increase the risk of complications such as the Argentinian flag sign.
Purpose of the Study:
- To describe and evaluate a novel primary mini-capsulorhexis technique in the midperiphery for managing white intumescent cataracts.
- To enhance the safety and precision of capsulorhexis in challenging cataract cases.
Main Methods:
- A primary mini-capsulorhexis (2-2.5 mm) was created in the midperipheral anterior capsule using a cystitome.
- Loose cortical matter and fluid were aspirated to reduce intralenticular pressure.
- A secondary, adequately sized capsulorhexis was completed before phacoemulsification.
Main Results:
- Successful circular curvilinear capsulorhexis was achieved in all cases, including those with small pupils.
- The technique was effective even when initial extension occurred, demonstrating robustness.
- The method successfully reduced intralenticular pressure, mitigating risks associated with intumescent cataracts.
Conclusions:
- The novel primary mini-capsulorhexis technique offers a safer and more precise approach for performing capsulorhexis in white intumescent cataracts.
- This technique has the potential to significantly reduce intraoperative complications.
- Further clinical trials are recommended to validate the efficacy and safety profile of this refined surgical method.
