Laboratory Analysis of Human Iris Mechanical Properties


About this study

The purpose of this study is to analyze human iris mechanical properties that change with age.


Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Volunteers and patients (with a 2:1 female-to-male ratio).
  • Complete ophthalmology exam at Mayo Clinic Ophthalmology Unit with dark toom gonioscopy and anterior segment imaging for quantitative and qualitative evaluation of the ocular angles.

Exclusion Criteria:

  • Any patient with history of trauma, ocular inflammation, intraocular surgery.
  • Any patient on medications know to affect pupil size.



Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Jacksonville, Fla.

Mayo Clinic principal investigator

Syril Dorairaj, M.D.

Closed-enrolling by invitation

What is this? (?)
Not open to everyone who meets the eligibility criteria, but only those invited to participate by the study team.

Contact information:

Ena Whitelaw CCRP

More information


Publications are currently not available

Study Results Summary

Not yet available

Supplemental Study Information

Not yet available


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