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Corectopia grading: A novel classification system.

Natalia Anisimova1,2, Lisa Arbisser3, Argyrios Tzamalis4

  • 1Department of Eye Diseases, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Moscow, Russia.

Seminars in Ophthalmology
|May 31, 2021
PubMed
Summary
This summary is machine-generated.

A new grading system for corectopia (pupil displacement) offers objective classification. This system proved reliable and acceptable for both new and experienced ophthalmologists in clinical use.

Keywords:
corectopiairispupil

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Area of Science:

  • Ophthalmology
  • Medical Diagnostics

Background:

  • Corectopia, or pupil displacement, lacks a standardized objective grading system.
  • Accurate classification is crucial for documenting disease progression and treatment efficacy.

Purpose of the Study:

  • To introduce and validate a novel grading system for the objective classification of corectopia.
  • To assess the reliability and clinical applicability of this new system.

Main Methods:

  • A cohort of 28 patients with and without corectopia was evaluated.
  • A grading system based on pupil direction, extent, and mydriasis alteration was developed.
  • Intraclass correlation coefficients (ICC) and inter-rater agreement (kappa statistic) were calculated between inexperienced ophthalmologists, an experienced ophthalmologist, and a golden standard (GS).

Main Results:

  • High inter-rater agreement was observed for pupil direction (ICC=0.83, k=0.93) and decentration (k=0.82) among inexperienced ophthalmologists.
  • Agreement remained high between experienced ophthalmologists and the GS for both direction and decentration.
  • The system demonstrated acceptable reliability for clinical use by ophthalmologists with varying experience levels.

Conclusions:

  • The proposed grading system provides the first detailed, objective classification for corectopia.
  • This system is valuable for documenting and assessing progressive corectopia.
  • The system is confirmed to be clinically acceptable for both inexperienced and experienced ophthalmologists.