Evaluation of Intraocular Pressure Using Goldmann Applanation, Noncontact, and Trans-Palpebral Tonometry Techniques
-
By
-
Madhu Thapa
-
Gautam Pragati Adhikari
-
G. C. Saroj
-
Gautam Kumar
-
April 17, 2026
-
Clinical Scorecard: Evaluation of Intraocular Pressure Using Goldmann Applanation, Noncontact, and Trans-Palpebral Tonometry Techniques
At a Glance
| Category | Detail |
|---|
| Condition | Glaucoma |
| Key Mechanisms | Measurement of intraocular pressure (IOP) as a modifiable risk factor for glaucoma. |
| Target Population | Adults over 18 years, including those with glaucoma and corneal conditions. |
| Care Setting | Ophthalmology department in a hospital setting. |
Key Highlights
- Goldmann applanation tonometry (GAT) is the gold standard for IOP measurement.
- Non-contact tonometry (NCT) shows good agreement with GAT but tends to report higher IOP values.
- Trans-palpebral tonometry (TPT) is non-contact, minimizing discomfort and infection risk, and is suitable for home use.
Guideline-Based Recommendations
Diagnosis
- Accurate IOP measurement is critical for glaucoma diagnosis and monitoring.
Management
- Post-operative IOP monitoring is essential for assessing surgical success in glaucoma patients.
Monitoring & Follow-up
- Regular IOP measurements using reliable tonometry methods are recommended for glaucoma patients.
Risks
- GAT requires corneal anesthesia and may transmit infections if precautions are not taken.
Patient & Prescribing Data
112 patients aged 19 to 77 years, with a median age of 44.5 years.
TPT is cost-effective and portable, making it ideal for community screening and self-measurement.
Clinical Best Practices
- Utilize GAT for standard IOP measurements in clinical settings.
- Consider NCT for patients who may experience discomfort with contact methods.
- Employ TPT for patients with corneal scars or for home monitoring.
References
