Table 1 Data extracted for each retinal educational channel on YouTube and the parameters of each video

Participant

 Age

 Country

 Time of career (years)

Quality assessment

 Image quality (poor, moderate, good)

Utility assessment

 Likert scale (1 indicates not useful and 5 indicates very useful)

Educational content

 “Have you learned something new from this video?” (yes/type or no)

 “Did you see something inappropriate or controversy in the video’s educational content?” (yes/type or no)

CEIVTS scale

 For each item of the scale

  “Surgical step was not shown on video”

  “Surgical step was partially shown on video”

  “Surgical step was clearly shown on video”

  “Surgical step does not apply to this procedure”