Evaluation the accuracy of Air Puff Tonometer Compared to Goldmann and Schiotz

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

PACTR

Registry ID

PACTR202407522723427

Enrollment

200

Registered

2024-07-29

Start date

2024-07-15

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

Eye Diseases

Interventions

Measuring intraocular pressure

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: History of primary open angle glaucoma.

Exclusion criteria

Exclusion criteria: 1. History of secondary open angle glaucoma such as steroid-induced glaucoma, pigmentary glaucoma and pseudoexfoliation glaucoma. 2. Corneal disorders such as keratitis, corneal ulcer, exposure keratopathy, corneal dystrophy and corneal degeneration. 3. Use of contact lens within 24 hours. 4. Silicon-filled eyes.

Design outcomes

Primary

Measure	Time frame
Measuring IOP of 200 patient by GAT, Schiotz and air-puff tonometers.	—

Secondary

Measure	Time frame
After completing the measurement of IOP for 200 patient and comparing the IOP for the 3 devices in glaucoma patients and normal healthy individuals.	—

Countries

Egypt

Contacts

Public ContactGehad Gamil

Data analyser

gogololojodo@gmail.com+201068498281

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Sep 19, 2026