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Updated: May 6, 2026

Author Spotlight: Enhancing Visual Outcomes in Cataract Surgery: A Novel Technique to Prevent Posterior Capsular Opacification Through IOL Rotation
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Retrospective Analysis of Standard Operating Procedures for Intraocular Lens Inventory and Stocking.

Manda Nirmala Jyothi1, Gurunadh S Velamakanni1, Kandula Satish1

  • 1Ophthalmology, Ganni Subba Lakshmi (GSL) Medical College, Rajahmundry, IND.

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|June 24, 2025
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Summary
This summary is machine-generated.

This study analyzed 1,000 intraocular lens (IOL) powers used in cataract surgery. The most frequently used IOL powers were between 19.5 and 23.5 diopters, suggesting an optimal inventory range for surgical units.

Keywords:
agecataract surgerycommonly used iolintraocular lens (iol)national health service (nhs)stocking of iol

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Area of Science:

  • Ophthalmology
  • Medical device inventory management
  • Surgical readiness

Background:

  • Cataract surgery necessitates a wide range of intraocular lens (IOL) powers to meet diverse patient refractive needs.
  • Managing extensive IOL inventories presents challenges, potentially impacting surgical operational efficiency.
  • Determining an optimal IOL inventory is crucial for streamlining workflows and meeting patient requirements.

Purpose of the Study:

  • To identify the most frequently used intraocular lens (IOL) powers.
  • To inform data-driven inventory planning for hospital settings.
  • To enhance surgical readiness and efficiency in ophthalmic units.

Main Methods:

  • Retrospective descriptive study analyzing 1,000 implanted intraocular lens (IOL) powers.
  • Review of IOL power distribution and frequency data from cataract surgeries.
  • Identification of commonly used and rarely used IOL power ranges.

Main Results:

  • A bell-shaped distribution of IOL powers was observed, ranging from 15.0 to 31.0 diopters (D).
  • The mean IOL power was 21.5 ± 1.98 D.
  • The most frequent IOL powers (24.5%) were in the 21.00-21.50 D range, while extreme powers (<17.00 D and >26.00 D) were rarely used.

Conclusions:

  • Intraocular lens (IOL) powers between 19.5 D and 23.5 D are most frequently used.
  • A core inventory including powers 19.5, 20.0, 20.5, 21.0, 21.5, 22.0, 22.5, 23.0, and 23.5 D is recommended.
  • This evidence-based inventory approach supports practical inventory planning and improved surgical readiness.