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Effectiveness of new contrast sensitivity chart in measuring contrast functions among clinical population

Effectiveness of novel contrast sensitivity chart as compared to standard Pelli Robson chart in measuring contrast sensitivity in clinical practice - NIL

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2024/11/076702
Enrollment
176
Registered
2024-11-12
Start date
Unknown
Completion date
Unknown
Last updated
2025-08-18

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

Conditions

Health Condition 1: H251- Age-related nuclear cataract Health Condition 2: H401- Open-angle glaucoma Health Condition 3: H402- Primary angle-closure glaucoma Health Condition 4: H36- Retinal disorders in diseases classified elsewhere

Interventions

Control Intervention1: Pelli Robson chart: Contrast sensitivity measured with novel chart is being compared to standard Pelli Robson contrast sensitivity chart

Sponsors

Sankara Eye Hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: K/C/O POAG,PACG,OHT,NTG( classification based on ISGEO ) Cataract Retinal related diseases

Exclusion criteria

Exclusion criteria: Amblyopia Pseudophakia Corneal conditions Secondary glaucoma Juvenile glaucoma Neurological conditions Drug toxicity

Design outcomes

Primary

MeasureTime frame
To check for the effectivness of novel contrast senstivity as comapred to standard pelli robson chart among clinical populationTimepoint: One visit—

Secondary

MeasureTime frame
To compare the values measured with Novel Contrast Sensitivity Chart to Standard Pelli-Robson chart among clinical populationTimepoint: one visit—

Countries

India

Contacts

Public ContactNamratha H

Sankara College of Optometry

namratha.hedge@gmail.com9986266576

Outcome results

None listed

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