Eye Tracking in Laryngology

Healthy Clinical Trial

Official title:

A Study to Assess Eye Tracking and Visual Gaze Patterns in Laryngology

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT05034575
• Other study ID #: 20-012365
• Status: Completed
• Phase: N/A
• Start date: June 29, 2021
• Est. completion date: February 1, 2022

Study information

• Verified date: October 2022
• Source: Mayo Clinic
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

The purpose of this study is to assess whether eye-tracking technology can be used to differentiate the visual gaze patterns of experienced and novice laryngoscopists while reviewing prerecorded laryngeal videos with both normal and abnormal findings and to characterize any differences arising between level of training groups.

Description:

Novice and experienced participants will be recruited to take part in this study. Novices include medical students without practical experience in otorhinolaryngology and resident physicians at different stages in training. Trainees, residents and experts from fields of gastroenterology and pulmonology will also be included. The experienced group will be defined as consultants and speech pathologists. This study will look at multiple areas within otolaryngology including laryngology, rhinology, facial plastic surgery, head and neck oncology, and otology. Participants will view prerecorded videos and/or still pictures absent of patient identifiers. There will be two tasks each taking approximately 10 minutes. Task order will be alternated between subjects with one task asking participants to view 7 still images from video laryngoscopy examinations. After each image participants will rate how likely the image is to represent glottic cancer and what portion of the image they deemed most important to their decision. For the second task, participants will be asked to view a 5 second video of a flexible laryngoscope exam, after which, they will be asked to identify the presence and side of vocal fold paralysis as well as note the location they deemed most important to their decision.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 30
• Est. completion date: February 1, 2022
• Est. primary completion date: February 1, 2022
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: All
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

• Adults, age 18 and over.
• Already professionals in a laryngology related field, residents in a related field or students considering a related field.
• Related fields include otolaryngology, laryngology, and speech language pathology.

Exclusion Criteria:

• Anyone not meeting the inclusion criteria or anyone not wishing to participate.

Related Conditions & MeSH terms

• Healthy

Intervention

Other:
• Eye Tracking Technology Sensor
Eye tracking will be performed using Tobii Pro eye tracking technology sensor (Tobii Pro Fusion, Stockholm, Sweden), providing binocular eye tracking up to 250 Hz. The sensor, positioned on the inferior aspect of the computer monitor, reflects infrared (IR) light beams off of each cornea and are subsequently captured.

Locations

Country	Name	City	State
United States	Mayo Clinic in Rochester	Rochester	Minnesota

Sponsors (1)

Lead Sponsor	Collaborator
Mayo Clinic

Country where clinical trial is conducted

United States, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Time to Fixation Fixation Point	Defined as the temporary suspension of eye movement (80ms) on a specific point (= 30 pixels) within the field of view.	15 minutes
Primary	Percent of Fixation Time on pre determined area of interest	Defined as the percent of total gaze time on area of interest	15 minutes
Primary	Count of Fixations	Number of times observer returns gaze to area of interest	15 minutes

External Links

•   Mayo Clinic Clinical Trials