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A videographic observational evaluation of eye pressure checking devices contact with the ocular surface

A Videographic Observational Evaluation of Goldmann Applanation Tonometrys Contact with the Ocular Surface - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2025/07/089935
Enrollment
2282
Registered
2025-07-01
Start date
Unknown
Completion date
Unknown
Last updated
2025-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: H401- Open-angle glaucoma

Interventions

Intervention1: Nil: Nil

Sponsors

Aravind Eye Hospital, Pondicherry
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Sequential patients presenting to the glaucoma clinics as new or follow-up patient in whom applanation tonometry would be performed

Exclusion criteria

Exclusion criteria: 1. Patients with infectious eye disease (e.g., conjunctivitis, keratitis, or corneal ulcers), non-infectious conditions impacting the surface of the cornea or shape of the eye 2. Corneal opacities 3. Megalocornea 4. High myopes with greater than 6 D or presence of squint 5. Globe injury 6. Known HIV, hepatitis B, hepatitis C 7. Monocular or functionally monocular patients (phthisis, enucleation, retinal detachments) 8. Those who had any intraocular or lid surgery within the last six months 9. History of prion disease 10. Cognitive impairment 11. Pregnant women

Design outcomes

Primary

MeasureTime frame
Frequency of tonometer-mucous membrane touch and tonometer-eyelid touchTimepoint: Single time point—

Secondary

MeasureTime frame
NILTimepoint: NIL—

Countries

India

Contacts

Public ContactAnnamalai O

Aravind Eye Hospital, Pondicherry

annamalai.o@aravind.org8098888247

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026