Effect of intraocular pressure on intraocular lens power measurement in primary open angle glaucoma and ocular hypertension patients

Status

Active, not recruiting

Phases

Phase 2Phase 3

Study type

Observational

Source

TCTR

Registry ID

TCTR20180912007

Enrollment

Unknown

Registered

2018-09-12

Start date

2017-03-01

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

A diagnosis of Primary open angle glaucoma (POAG) and ocular hypertension (OHT) was made by an ophthalmologist. This was based on the presence of glaucomatous optic neuropathy or glaucomatous visual f primary open angle glaucoma (POAG) &#44

Interventions

The patients who was diagnosed of Primary open angle glaucoma (POAG) or ocular hypertension (OHT) by an ophthalmologist.

Health Services Research

Study group

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Age more than 18 years old Diagnosis of POAG or OHT was made by an ophthalmologist base on slit-lamp examination ,visual field and gonioscopy Patients who had IOP higher than 25 mmHg

Exclusion criteria

Exclusion criteria: Patients who had ocular surface disease which affect keratometry. Patients who had history of intraocular surgery. Patients who hadlLens opacity that limited the IOL master measurement. Patients who was unable to remain in an upright position.

Design outcomes

Primary

Measure	Time frame
Intraocular lens power not over 6 months diopters	—

Secondary

Measure	Time frame
axial length (AL), keratometry (K),central corneal thickness (CCT),aand anterior chamber depth (ACD) not over 6 months millimetre,micrometre	—

Countries

Thailand

Contacts

Public ContactNiphon Chirapapaisan

Department of Ophthalmology,Faculty of Medicine Siriraj Hospita

np055@hotmail.com0815747711

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026