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Testing Tactile Aids With Blind Subjects

University of Delaware · NCT06237829

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Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 16+ · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Not applicable
Target enrollment
100
US sites recruiting
1
Study start
September 1, 2021
Record last updated
March 13, 2024

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

The objective of this project is to create richer tactile aids by using materials chemistry to create tactile sensations in tactile aids, as an alternative to traditional physical bumps, lines, or textures. These materials are commonly used in household products, but have not yet been used to enrich tactile aids. Successful outcomes are primarily the accuracy with which low vision or blind subjects identify objects made from tactile coatings versus traditional tactile aids. Other outcomes include time to completion of the task, or the number of distinctive categories that participants can identify.

Being studied: Single bump acuity; Optimal spacing between bumps; Improving signal from a single bump with designer materials

Conditions: Vision, Low; Blindness

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria

  • Visual Impairment: Participants should be blind or visually impaired for greater than 10 years, either congenitally or acquired.
  • Tactile Aid Usage: Participants must use tactile aids regularly.
  • Mathematical Knowledge: Participants should have a basic understanding of mathematical plots, equivalent to at least high school geometry.

Exclusion Criteria

  • Limb Conditions: Participants with amputations or outer extremity conditions affecting hand use will be excluded.

Recruiting US locations

  • University of Delaware

    Newark, DE 19711

    Site contact: Charles Dhong · 302-831-2828 · cdhong@udel.edu

All healthy volunteers studies in Delaware →
Testing Tactile Aids With Blind Subjects (NCT06237829) | Bored Studies