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Gaze Shift to Screen Edge Boosts Colorectal Adenoma Detection: Multicenter Randomized Controlled Trial (EYE-SIGHT
Fumiaki Ishibashi1, Satoshi Ono2, Kosuke Okusa3
1Department of Gastroenterology, International University of Health and Welfare Ichikawa Hospital, Chiba, Japan; Graduate School of Medicine, International University of Health and Welfare, Tokyo, Japan.
Summary
Guiding endoscopists
Area of Science:
- Gastroenterology
- Endoscopy
- Cancer Prevention
Background:
- Colorectal cancer (CRC) prevention relies on accurate adenoma detection and resection.
- Optimal visual strategies for colonoscopy remain undefined.
Purpose of the Study:
- To investigate if guiding endoscopists' gaze toward the periphery of the screen enhances adenoma detection during colonoscopy.
Main Methods:
- A multicenter randomized controlled trial involving 400 patients (aged 40-90).
- Intervention group received real-time eye-tracking feedback to maintain peripheral gaze; control group did not.
- Primary endpoint: adenomas per colonoscopy (APC); secondary endpoints: adenoma detection rate (ADR), polyp detection rate (PDR).
Main Results:
- The intervention group showed significantly higher APC (1.34 vs. 0.95, P=0.046).
- Adenoma detection rate (53.3% vs. 39.2%, P=0.007) and polyp detection rate (66.5% vs. 47.2%, P<0.001) were significantly improved.
- Peripheral gaze rate increased in the intervention group (33.7% vs. 25.9%, P<0.001) without increasing observation time.
Conclusions:
- Real-time guidance to increase peripheral gaze significantly improved adenoma and polyp detection.
- This approach is low-burden, scalable, and effective for enhancing colonoscopy quality without prolonging procedure time.
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