Intermediate Visual Space Perception

Recruiting now · Not applicable

Conditions studied: Vision

In brief

The ability to judge the locations of various objects from oneself during self-motion in the intermediate distance range (\~2-25m) is crucial for successful performance of activities of daily living, such as walking and driving. However, little is known about the mechanisms of visual space perception involved in judging distance, the focus of this project, in the planning and/or execution of self-motion in the natural 3D environment. The theoretical knowledge to be gained from this project will contribute to the scientific literature and provide insights into how eye and neurological defects could impair visual space perception, wayfinding, and mobility.

Key facts

Study ID

NCT05419713

Run by

University of Louisville

People needed

180

Starts

2021-09-30

Expected to finish

2026-06-30

Last updated by the study team

2026-05-07

Who can join

Age: 18 and older, up to 40. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Adults (up to 40 years of age)
• Children (18 years and older)
• Normal, or corrected-to-normal, visual acuity (at least 20/20)
• Stereo acuity (<20 arc sec).

You may not qualify if…

• Self-reported history of visual and eye diseases
• Physical movement restrictions.
• Vulnerable populations such as pregnant women will be excluded owing to the extensive time commitment required of the subjects.

Where it is running

• University of Louisville — Louisville, Kentucky, United States (enrolling)

Full record on ClinicalTrials.gov

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