A Pilot Study to Test the Safety and Feasibility of a Brillouin Ocular Analyzer

Completed · Not applicable

Conditions studied: Measurement of the Elasticity of the Anterior Eye Segment

In brief

A Brillouin ocular analyzer uses a low-power near infrared laser light to probe the viscoelastic properties of the cornea and crystalline lens in the eye. The study hypothesis is that the instrument can measure the Brillouin light scattering spectra from the eye safely and effectively from human subjects.

Key facts

Study ID

NCT01775007

Run by

Massachusetts General Hospital

People needed

31

Starts

2011-03-01

Expected to finish

2017-09-01

Last updated by the study team

2022-08-02

Who can join

Age: 20 and older, up to 60. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Healthy volunteers aged 20-60
• No refractional abnormalities
• Clear enough cornea and media to permit imaging

You may not qualify if…

• Occludable narrow angles (without a patent peripheral iridotomy)
• Other ocular or systemic pathology, which precludes safe eye dilation
• LASIK eye surgery
• Allergies to the dilation medication
• Only one healthy eye
• Pregnant women or expected pregnancy within the timeframe of the study
• Do not or cannot understand the instructions for the imaging
• Restricted mobility

Where it is running

• Massachusetts Eye and Ear Infirmary — Boston, Massachusetts, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States

Full record on ClinicalTrials.gov

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