Clinical trial Recruiting at 3 sites Interventional Ages 18 and up

Evaluating the Calibreye System for treating open-angle glaucoma

Official title: Feasibility Clinical Evaluation of the Calibreye System

Run by Myra Vision Inc. · NCT05885022 · Data updated 2026-11-12

This study is testing a new surgical system to see if it can safely lower eye pressure in people with open-angle glaucoma.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment60 (estimated)
SponsorMyra Vision Inc.
Industry-sponsored
Locations4 sites (Chennai and 3 other locations)
StatusRecruiting
StartedMay 31, 2023
Main results expectedDecember 2027
Study endsDecember 2028
Registry record updatedDecember 15, 2025
Trial IDNCT05885022 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals diagnosed with open-angle, pseudoexfoliative, or pigmentary glaucoma who have specific intraocular pressure and visual field criteria.

Probably not a fit

Patients with angle closure glaucoma, secondary glaucomas, or those who have had previous intraocular surgeries may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to assess the safety and feasibility of the Calibreye System, a surgical intervention designed to reduce intraocular pressure in patients with open-angle glaucoma. It is a prospective, nonrandomized, open-label trial that will evaluate the effectiveness of the procedure in a real-world setting. Participants will be monitored for safety and effectiveness outcomes following the intervention. The study focuses on patients with specific criteria related to their glaucoma condition.

Why it matters

Potential benefit: If successful, this intervention could provide a new surgical option for patients with open-angle glaucoma to manage their intraocular pressure effectively.

How similar studies have gone: While this approach is being evaluated for the first time with the Calibreye System, similar interventions have shown promise in managing intraocular pressure in glaucoma patients.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Open angle, pseudoexfoliative or pigmentary glaucoma
* IOP at preoperative visit of ≥ 18mmHg and ≤ 45mmHg
* Visual field mean deviation score of -3dB or worse
* Area of healthy, free and mobile conjunctiva in the target quadrant
* Shaffer angle grade ≥ 3 in the target quadrant

Exclusion Criteria:

* Angle closure glaucoma
* Congenital, neovascular or other secondary glaucomas
* Previous intraocular surgery (with the exception of laser trabeculoplasty or uncomplicated phacoemulsification with IOL occurring \> 3 months prior to the preoperative visit)
* Previous glaucoma shunt/valve in the target quadrant
* Clinically significant inflammation or infection in the study eye within 30 days prior to the preoperative visit
* History of corneal surgery, corneal opacities or corneal disease
* Active diabetic retinopathy

Where it's running

  • Centro Oftalmologico de Chihuahua
    Chihuahua City, Mexico
    Recruiting
  • Oftalmología Láser de Puebla S.C.
    Puebla City, Mexico
    Recruiting
  • Panama Eye Center
    Panama City, Panama
    Recruiting
  • Dr. Agarwal's Eye Hospital Ltd.
    Chennai, India
    Active not recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.