Evaluation of the Safety of Terahertz Scanning System on Corneas

Recruiting now

Conditions studied: Corneal Diseases

In brief

This observational study aims to establish the safety profile of the use of Terahertz (THz) scanning system on corneal diseases. Participants with "non-seeing" eyes but normal corneas will undergo THz scanning. Eye examinations will be conducted at baseline, immediately after scanning, and at 1 day, 1 week, and 1 month post-scanning. These examinations will include measurements of visual acuity, eye structural, retinal health, corneal cell morphology, and corneal nerve status. The investigators hypothesize that the THz scanning system is safe for application to the human cornea.

Key facts

Study ID

NCT06967792

Run by

Singapore Eye Research Institute

People needed

5

Starts

2024-04-01

Expected to finish

2026-04-30

Last updated by the study team

2025-05-16

Who can join

Age: 21 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Be at least 21 years of age
• Regardless of gender (Male/Female)
• Regardless of race (Chinese/Malay/Indian/Eurasian/Others)
• Willingness and ability to follow all instructions and comply with study schedule for study visit
• Have at least 1 eye (Study eye) that is deemed functionally blind but contain healthy corneas
• Ability to hold face sufficiently stable to undergo necessary scans
• Best Spectacle Corrected Visual Acuity (BSCVA) in the study eye of hand motion or worse

You may not qualify if…

• Pregnant/Breast-feeding women
• Eyes with previous major surgery on the cornea such as corneal transplantation, refractive surgery, corneal cross-linking procedure
• Eyes with previous infectious keratitis
• Eyes with long-term use of glaucoma eye drops
• Eyes with known moderate or server meibomian gland dysfunction
• Eyes with active inflammation or infection, or chronic ocular surface inflammation
• Systemic diseases that affect the ocular surface, such as systemic autoimmune diseases

Where it is running

• Singapore National Eye Centre — Singapore, Singapore, Singapore (enrolling)

Full record on ClinicalTrials.gov

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