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Updated: Mar 7, 2026

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Video-Assisted Informed Consent for Cataract Surgery: A Randomized Controlled Trial.

Yuehong Zhang1, Xiangcai Ruan2, Haoying Tang3

  • 1Department of Ophthalmology, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China.

Journal of Ophthalmology
|February 14, 2017
PubMed
Summary

Video-assisted informed consent significantly improved patient satisfaction and reduced the time for cataract surgery consultations. While comprehension remained similar, the enhanced process positively impacted patient experiences.

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Area of Science:

  • Ophthalmology
  • Medical Education
  • Patient Communication

Background:

  • Informed consent is crucial for patient autonomy in medical procedures.
  • Traditional verbal consent may not always fully address patient understanding or satisfaction.
  • Cataract surgery is a common procedure where clear communication is essential.

Purpose of the Study:

  • To evaluate the impact of video assistance on patient satisfaction with informed consent for cataract surgery.
  • To compare patient satisfaction, consent process time, and comprehension between video-assisted and traditional verbal consent methods.

Main Methods:

  • A randomized trial involving 80 Chinese patients undergoing cataract surgery.
  • Patients were assigned to either a video-assisted consent group or a traditional verbal consent group.
  • Outcomes measured included patient satisfaction, consent refusal rates, process time, and questionnaire-based comprehension.

Main Results:

  • The video-assisted group reported significantly higher satisfaction (86% vs. 65%, p=0.035).
  • The video group experienced a shorter consent process time (5.6 min vs. 12.3 min, p<0.001).
  • No significant difference in comprehension accuracy was observed between the groups (80.2% vs. 77.5%, p=0.386).

Conclusions:

  • Video-assisted informed consent enhances patient satisfaction and streamlines the consent process for cataract surgery.
  • The current video intervention did not significantly alter patient comprehension levels.
  • Further research is recommended to optimize video content for improved patient understanding.