Assessing human error rates in strabismus surgery

Article

Sensitivity analysis could determine the rate of human error in strabismus surgery and reduce the need for repeated operations, according to results published online ahead of print by Graefe's Archive for Clinical and Experimental Ophthalmology.

Sensitivity analysis could determine the rate of human error in strabismus surgery and reduce the need for repeated operations, according to results published online ahead of print by Graefe's Archive for Clinical and Experimental Ophthalmology.

Sander Schutte of the Department of BioMechanical Engineering, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, Delft, The Netherlands and colleagues employed a variety of methods to investigate how to improve human-error influenced outcomes of strabismus surgery, including angle measurement, surgical strategy and accuracy. The influence of each of these factors underwent sensitivity analysis, and the results were compared with clinical trials.

The team found that it was possible to map desirable surgery trajectories mathematically, and that surgical recessions varied from the optimal trajectory by as much as 20%.

Thus the team concluded that quantifying the level of human error during strabismus surgery with sensitivity analysis could increase the accuracy of the measurement of the angle to be corrected, decrease the variability of trajectory and lead to more accurate surgery, thereby decreasing the need for repeated surgical interventions.

Newsletter

Join ophthalmologists across Europe—sign up for exclusive updates and innovations in surgical techniques and clinical care.

Recent Videos
Christine Curcio, PhD, of the University of Alabama at Birmingham Heersink School of Medicine, shares histology update and revised nomenclature for OCT with Sheryl Stevenson of the Eye Care Network and Ophthalmology Times
SriniVas R. Sadda, MD, FARVO, shares key points from his retina presentation at the International SPECTRALIS Symposium
Robert Sergott, MD, describes fluorescence lifetime imaging ophthalmoscopy (FLIO) and the International SPECTRALIS Symposium – And Beyond (ISS) in Heidelberg, Germany.
Rayaz Malik, MBChB, PhD, a professor of medicine at Weill Cornell Medicine - Qatar, spoke with Ophthalmology Times Europe about his presentation. It's titled "An eye on neurodegenerative diseases: Challenging the dogma" at the International SPECTRALIS Sympsoium. In conversation with Hattie Hayes, Ophthalmology Times Europe
Anat Loewenstein, MD, describes her presentation on remote imaging for age-related macular degeneration and geographic atrophy at the International SPECTRALIS Symposium, in conversation with Hattie Hayes of Ophthalmology Times Europe
Tyson Brunstetter, OD, PhD, a US Navy Aerospace Optometrist at the NASA Johnson Space Center in Houston, Texas, shares key takeaways from his keynote at the International SPECTRALIS Symposium (ISS)
Rayaz Malik, MBChB, PhD, shares his presentation, titled An eye on neurodegenerative diseases: Challenging the dogma, at this year's International SPECTRALIS Symposium
At the Retina World Congress, Siegfried Priglinger, MD, speaks about ensuring the best outcomes for preschool-aged patients
At the 2025 ASCRS meeting, Robert Ang, MD said small aperture IOLs can benefit all patients, especially those with complex corneas or who have undergone previous corneal refractive surgery
Viha Vig, MBChB graduate student at the University of Auckland, New Zealand, discusses her poster presentation on the relationship between mitochondiral disease, Alzheimer disease, and other types of dementia.
© 2025 MJH Life Sciences

All rights reserved.