Eye Movement Behaviour and Pupil Size in Natural Outdoor and Indoor Scenes

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-07-01

Study Completion Date

2024-07-31

Brief Summary

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In this study, the researchers will be using eye tracking and detailed lighting measurements to understand how different types of indoor and outdoor lighting affect the eye movements and pupil sizes of our participants. Participants will be paired up and undergo six eye tracking sessions, split across two appointments. Each appointment will involve viewing either indoor or outdoor scenes, and before each session, participants will spend time adapting to the lighting conditions. Overall, each participant will spend 24 minutes being tracked, and the entire study will take about 2-3 hours to complete. The investigators expect differences in eye movements and pupil size between indoor and outdoor scenes.

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Detailed Description

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Conditions

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Light Sensitivity

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

All participants will be exposed to the same environmental conditions (same indoor and outdoor scenes for the same duration) and the captured eye-movement data of every participant will be of the same type. Participants will be exposed to different orders of scene sequences.

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

NONE

Study Groups

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Eye-tracking, pupillometry and scene rating indoors & outdoors

Group Type EXPERIMENTAL

Indoor vs. outdoor scenes

Intervention Type OTHER

Light conditions in indoor (artificial light) and outdoor (daylight) settings

Interventions

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Indoor vs. outdoor scenes

Light conditions in indoor (artificial light) and outdoor (daylight) settings

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* No previous eye-surgeries or ocular impairments like anisometropia, amblyopia, strabism, cataract, watery eyes or hanging eye lids
* Normal or corrected-to-normal visual acuity (+3dpt. to -5dpt.)
* Normal colour vision
* Normal binocular vision

Exclusion Criteria

* Any use of medications or drugs that influence photosensitivity or the ability to concentrate
* Excessive alcohol and/or drug use
* Presence of psychiatric disorders
* Poor sleep quality
* Diagnosed with epilepsy

Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes