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Contrast sensitivity(CS) is the visual ability to distinguish an object from its background. It is affected in conditions like glaucoma, diabetic retinapathy, ARMD etc. The study aims to establish Normative data of CS in North Indian population using SPARCS.

Establishment of Normative Database of Contrast Sensitivity in Indian Population using Spaeth and Richman Contrast Sensitivity test

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2020/06/025632
Enrollment
200
Registered
2020-06-05
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

None listed

Interventions

None listed

Sponsors

Government Medical College and hospital Chandigarh
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Age more than 18years and less than 70 years 2. Either gender.

Exclusion criteria

Exclusion criteria: 1. Patients with history of incisional or laser eye surgery in the past 3 months 2. Any cause for visual impairment (e.g., glaucoma, cataract more than grade 2(LOCS), diabetic mellitus, Age Related Macular Degeneration, etc.) 3. Any medical condition (e.g., cognitive impairment, Parkinsonâ??s disease, Alzheimerâ??s disease and any other neurological or musculoskeletal disease). 4. Best-corrected visual acuity (BCVA) of less than 20/50 5. Refractive error greater than +6 or â??6 D; Astigmatism not more than +2D 6. Any sign of secondary glaucoma, significant media opacities, and a history of using topical/oral steroids.

Design outcomes

Primary

MeasureTime frame
To ascertain normative database of Contrast Sensitivity using SPARCS in North Indian population.Timepoint: At presentation—

Secondary

MeasureTime frame
To determine affect of age, gender, astigmatism on peripheral and central contrast sensitivityTimepoint: At presentation—

Countries

India

Contacts

Public ContactDr Sonia Bariya

Department of Ophthalmology Government Medical College and hospital, sector 32,Chandigarh

parul77@rediffmail.com9501071591

Outcome results

None listed

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