Status:

ENROLLING_BY_INVITATION

Validation of DDIVAT Digital Optotypes for Distance Visual Acuity Testing Among the Bulgarian Population

Lead Sponsor:

Plovdiv Medical University

Collaborating Sponsors:

Democritus University of Thrace

Conditions:

Vision Screening

Eligibility:

All Genders

18+ years

Brief Summary

To compare distance visual acuity in Bulgarian patients over 18 years of age using two different methods - the Snellen method and the DIDIVAT digital online optotypes. For the purpose of this study, i...

Eligibility Criteria

Inclusion

  • Bulgarian speaking patients (75 women and 75 men) over 18 years of age, hospitalized in a university eye clinic at St. George University Hospital and healthy volunteers willing to participate in the study.

Exclusion

  • Patients of less than 18 years of age.

Key Trial Info

Start Date :

October 1 2025

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

July 1 2026

Estimated Enrollment :

150 Patients enrolled

Trial Details

Trial ID

NCT07208838

Start Date

October 1 2025

End Date

July 1 2026

Last Update

October 6 2025

Active Locations (1)

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Medical University Plovdiv

Plovdiv, Bulgaria, 4004