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Measuring the strength and usefulness of computer based eye examination charts

Validity and repeatability of computerized visual acuity measurement among subjects with and without any ocular diseases.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2020/03/024352
Enrollment
100
Registered
2020-03-30
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

Health Condition 1: H251- Age-related nuclear cataract Health Condition 2: H350- Background retinopathy and retinalvascular changes Health Condition 3: H353- Degeneration of macula and posterior pole Health Condition 4: H401- Open-angle glaucoma Health Condition 5: H258- Other age-related cataract Health Condition 6: H402- Primary angle-closure glaucoma

Interventions

None listed

Sponsors

Manipal Academy of Higher Education
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Male and female, Age:19-80 years of age, Visual acuity ranging from 1.0 logMAR to 0.0 logMAR, Normal subjects with various degrees of refractive error, Subjects diagnosed with cataract, macular diseases and glaucoma

Exclusion criteria

Exclusion criteria: Visual acuity worse or equal to 1.0 logMAR, Not willing to participate, Shallow anterior chamber

Design outcomes

Primary

MeasureTime frame
i. Static visual acuity measured with logMAR VA charts ii. Static visual acuity measured with COMPlog software iii. Hyper acuity measured with vanishing Optotype iv. Dynamic visual acuity measured with DYOP VA OptotypeTimepoint: 1 year

Secondary

MeasureTime frame
Early detection of ocular disease compared with the static visual acuity charts (Snellen or logMAR)Timepoint: 1 year

Countries

India

Contacts

Public ContactGopinath M

Manipal College of Health Professions

ramesh.sve@manipal.edu0820-2922052

Outcome results

None listed

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