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Related Experiment Video

Updated: Jan 12, 2026

Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation

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Comparison between the Outcomes of Post-Operative Surgically Induced Astigmism between Inverted V Incision and Frown

Meenu Babber¹, Ahmad Husain¹, Sushil Ojha²

¹Department of Ophthalmology, UPUMS, Saifai, Uttar Pradesh, India.

Journal of Pharmacy & Bioallied Sciences

|October 30, 2025

Summary

Manually operated small-incision cataract surgery (MSICS) offers a suture-less solution for cataract treatment. An inverted V (chevron) incision resulted in less surgically induced astigmatism compared to a frown incision in MSICS.

Keywords:

Cataract surgery frown incision inverted V incision manual short incision

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Area of Science:

Ophthalmology
Surgical Techniques
Public Health

Background:

Manually operated small-incision cataract surgery (MSICS) provides a suture-less, self-sealing incision, offering a potential solution to the global cataract crisis.
MSICS is particularly relevant for addressing cataract backlogs in underdeveloped nations due to its efficiency and minimal infrastructure requirements.

Purpose of the Study:

To compare the post-operative surgically induced astigmatism (SIA) between two distinct incision types used in MSICS: the inverted V (chevron) incision and the frown incision.
To evaluate the efficacy and safety of MSICS with different incision techniques.

Main Methods:

A prospective cross-sectional study involving 100 patients with uncomplicated senile cataracts.
Patients were randomly assigned to two groups: Group A received a frown incision, and Group B received an inverted V (chevron) incision for MSICS.

Main Results:

The inverted V (chevron) incision group showed a higher incidence of patients with no or minimal surgically induced astigmatism (SIA) (0-1 diopters).
Specifically, 45.23% of patients in the inverted V group and 52.63% in the frown group reported SIA (0-1).

Conclusions:

Both frown and inverted V incisions are effective for MSICS, achieving successful surgical outcomes.
The inverted V (chevron) incision appears to induce less surgically induced astigmatism compared to the frown incision in MSICS procedures.