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How repeatable is new visual field test?

Evaluation of test-retest variability in perimetry using novel stimulus and algorithm among persons with glaucoma

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2020/10/028348
Enrollment
230
Registered
2020-10-12
Start date
Unknown
Completion date
Unknown
Last updated
2024-03-04

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

Conditions

Health Condition 1: H409- Unspecified glaucoma

Interventions

Intervention1: Zippy Adaptive Thresholding Algorithm: It is an algorithm, used to present the visual stimuli. Theoretically, ZATA is better than SITA in terms of efficiency and accuracy. It is incorpo

Sponsors

MAHE
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Glaucoma participants: Early to advance glaucoma (Optic nerve damage, SAP reports indicating VF defects) Normal participants: Diagnosed healthy eyes Best Corrected Visual Acuity (BCVA) of 0.1 logMAR or better Refractive error between ± 6.00 DS equivalent and cylindrical correction within ± 3.00 DC

Exclusion criteria

Exclusion criteria: Glaucoma participants: Systemic diseases known to affect retina. Retinal pathology other than glaucoma. High progression of visual field damage. Normal participants: Any ocular pathology other than cataract. Systemic diseases affecting visual function or retina. Under any medication that affects vision.

Design outcomes

Secondary

MeasureTime frame
NILTimepoint: NIL

Primary

MeasureTime frame
Difference between the differential luminance thresholds obtained on retesting Timepoint: At the end of the study

Countries

India

Contacts

Public ContactDr Ramesh S Ve

Manipla Academy of Higher Education

ramesh.sve@manipal.edu8861330950

Outcome results

None listed

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