Lamina Cribrosa Depth Change With Change in Eye Pressure

  • End date
    Jul 1, 2023
  • participants needed
  • sponsor
    Johns Hopkins University
Updated on 4 October 2022
brimonidine tartrate ophthalmic solution
Accepts healthy volunteers


This is a study of the compliance of the lamina cribrosa with change in eye pressure.


Glaucoma patients and control subjects will have their internal eye structure (lamina cribrosa) imaged by optical coherence tomography (OCT) standard images at two different eye pressures. In some participants, the eye pressure will be changed by one of two interventions, wearing goggles or having laser suturelysis

Condition Glaucoma, Open-Angle
Treatment drinking 2 bottles of tap water, wearing swimming goggles or having laser suturelysis
Clinical Study IdentifierNCT03267849
SponsorJohns Hopkins University
Last Modified on4 October 2022


Yes No Not Sure

Inclusion Criteria

persons who consent to drink water and be imaged

Exclusion Criteria

non-consenting persons
those who cannot be imaged
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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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