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Tolerability of an Anesthesia-free Tonometer Tip
Sponsor: Duke University
Summary
The purpose of this study is to compare the tolerability and comfort of 4 different prototype anesthesia-free tonometer tips with the standard tonometer tip in conjunction with anesthesia. The best-tolerated prototype anesthesia-free tonometer tip will be identified for further development for home tonometry.
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
50
Start Date
2024-10-17
Completion Date
2026-03-02
Last Updated
2025-12-23
Healthy Volunteers
No
Conditions
Interventions
Sterile commercially available bandage contact lens
Medical grade acrylic tip covered by a sterile commercially available bandage contact lens
Medical grade silicone of a thickness <100 µm
Medical grade acrylic tip coated with medical grade silicone of a thickness \<100 µm
Medical grade silicone of a thickness >100 µm
Medical grade acrylic tip coated with medical grade silicone of a thickness \>100 µm
Medical grade silicone of a thickness <100 µm with blur tint
Medical grade acrylic tip coated with medical grade silicone of a thickness \<100 µm with blur tint
Standard tip in conjunction with a topical anesthetic
Standard tip in conjunction with a topical anesthetic
Locations (1)
Duke Eye Center
Durham, North Carolina, United States