A novel combination of corneal confocal microscopy, clinical features and artificial intelligence for evaluation of ocular surface pain

Gairik Kundu*, Rohit Shetty, Sharon D'Souza, Pooja Khamar, Rudy M M A Nuijts, Swaminathan Sethu, Abhijit Sinha Roy

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Objectives To analyse various corneal nerve parameters using confocal microscopy along with systemic and orthoptic parameters in patients presenting with ocular surface pain using a random forest artificial intelligence (AI) model. Design Observational, cross-sectional. Methods Two hundred forty eyes of 120 patients with primary symptom of ocular surface pain or discomfort and control group of 60 eyes of 31 patients with no symptoms of ocular pain were analysed. A detailed ocular examination included visual acuity, refraction, slit-lamp and fundus. All eyes underwent laser scanning confocal microscopy (Heidelberg Engineering, Germany) and their nerve parameters were evaluated. The presence or absence of orthoptic issues and connective tissue disorders were included in the AI. The eyes were grouped as those (Group 1) with symptom grade higher than signs, (Group 2) with similar grades of symptoms and signs, (Group3) without symptoms but with signs, (Group 4) without symptoms and signs. The area under curve (AUC), accuracy, recall, precision and F1-score were evaluated. Results Over all, the AI achieved an AUC of 0.736, accuracy of 86%, F1-score of 85.9%, precision of 85.6% and recall of 86.3%. The accuracy was the highest for Group 2 and least for Group 3 eyes.

Original languageEnglish
Article numbere0277086
JournalPLOS ONE
Volume17
Issue number11
DOIs
Publication statusPublished - Nov 2022

Keywords

  • Humans
  • Artificial Intelligence
  • Cross-Sectional Studies
  • Cornea/innervation
  • Microscopy, Confocal/methods
  • Pain

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