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Investigation about the problem in seeing area due to wearing of face mask during COVID-19

To study the influence of face masks on visual field amid COVID-19 pandemic

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2021/04/033108
Enrollment
50
Registered
2021-04-26
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: H409- Unspecified glaucoma Health Condition 2: H534- Visual field defects

Interventions

Intervention1: Nil: Nil Control Intervention1: Nil: Nil

Sponsors

Manipal College of Health Professions
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Normal Participant: Diagnosed healthy eyes Best Corrected Visual Acuity (BCVA) of 0.1 log MAR or better Refractive error between ±6.00 DS equivalent and cylindrical correction within ± 3.00 DC Diseased Participant: Diagnosed to have visual field defect Best Corrected Visual Acuity (BCVA) of 0.1 log MAR or better Refractive error between ±6.00 DS equivalent and cylindrical correction within ± 3.00 DC

Exclusion criteria

Exclusion criteria: Normal Participant: Diagnosed healthy eyes Best Corrected Visual Acuity (BCVA) of 0.1 log MAR or better Refractive error between ±6.00 DS equivalent and cylindrical correction within ± 3.00 DC Diseased Participant: Nil

Design outcomes

Primary

MeasureTime frame
Difference in the measurement of the inferior visual field with and without maskTimepoint: At the end of the study—

Secondary

MeasureTime frame
NilTimepoint: Nil—

Countries

India

Contacts

Public ContactDr Shonraj Ballae Ganeshrao

Manipal Academy of Higher Education

shonraj.bg@manipal.edu8886738267

Outcome results

None listed

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