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Updated: May 1, 2026

Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition
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Assessing Binocular Central Visual Field and Binocular Eye Movements in a Dichoptic Viewing Condition

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"It is the left eye, right?".

Dvora Pikkel1, Adi Sharabi-Nov2, Joseph Pikkel3

  • 1Risk Management and Patient Safety Unit, Assuta Hospital, Ramat Hachayal, Tel-Aviv, Israel.

Risk Management and Healthcare Policy
|April 22, 2014
PubMed
Summary
This summary is machine-generated.

Cataract surgeons frequently misidentified the correct eye for surgery without preoperative verification. This highlights the critical need for side marking to prevent wrong-site surgeries on paired organs.

Keywords:
side markingtime outwrong eye surgerywrong site surgery

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Area of Science:

  • Ophthalmology
  • Surgical Safety
  • Medical Error Analysis

Background:

  • Wrong-site surgery is a significant concern in procedures involving paired organs.
  • Cataract surgery on paired eyes presents a risk for side confusion.

Purpose of the Study:

  • To investigate the incidence of wrong-sided confusions in cataract surgery without preoperative verification.
  • To assess the potential for errors in identifying the correct eye for surgery.

Main Methods:

  • Ten cataract surgeons completed questionnaires on preoperative practices.
  • Surgeons attempted to identify the operative side using only patient names and then by visual inspection from a distance.
  • Performance was compared against the actual surgical side.

Main Results:

  • Surgeons correctly identified the operative side by name in 73% of cases and by visual inspection in 83%.
  • Wrong-side identification correlated with the time since the last preoperative examination and the number of surgeries performed by the same surgeon on the same day.
  • Surgeon seniority and age did not correlate with identification errors.

Conclusions:

  • The study demonstrates a high potential for error in cataract surgery when side marking is absent.
  • These findings underscore the importance of preoperative verification and side marking to prevent wrong-site surgeries on paired organs.