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A Web-based Digital Distance Visual Acuity Test

NCT04756596 · Status: UNKNOWN · Type: OBSERVATIONAL · Enrollment: 300

Last updated 2021-11-16

No results posted yet for this study

Summary

Primary objective of this study is the development and validation of a web-based application for the examination of the distance visual acuity of normal- and low-vision patients.

Conditions

  • Refractive Errors
  • Low Vision
  • Vision Disorders

Interventions

DIAGNOSTIC_TEST

DDVIT testing

One randomly selected eye will be included for each study participant. Participants respond to the DDVIT test in standard environmental lighting conditions at 4 m viewing distance. Visual acuity will be evaluated.

DIAGNOSTIC_TEST

ETDRS testing

The same eye is included for each study participant. Participants respond to the standard ETDRS chart of our Ophthalmology Department in standard environmental lighting conditions at 4 m viewing distance. Visual acuity will be evaluated.

Sponsors & Collaborators

  • University of Thessaly

    collaborator OTHER

  • Democritus University of Thrace

    lead OTHER

Principal Investigators

  • Georgios Labiris, MD, PhD · Department of Ophthalmology, University Hospital of Alexandroupolis, Alexandroupolis, Greece

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-02-01
Primary Completion
2022-05-31
Completion
2022-06-30

Countries

  • Greece

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04756596 on ClinicalTrials.gov