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Level of Agreement Between Clinical Defocus Curves and the Web-based Democritus Digital Acuity Reading Test wDDART

NCT04739085 · Status: UNKNOWN · Type: OBSERVATIONAL · Enrollment: 100

Last updated 2021-02-04

No results posted yet for this study

Summary

The primary objective of this study is to compare the level of agreement between clinical defocus curves and the web Democritus Digital Acuity Reading Test (wDDART), which is a web-based digital near and intermediate vision reading test.

Conditions

Interventions

DIAGNOSTIC_TEST

Defocus curves - Monocular distance visual acuity with trial lenses added to the best correction for distance

The monocular distance visual acuity of each participant' eye is evaluated using trial lenses of -3.00 sph, -2.50 sph, -1.75 sph, and -1.25 sph (added to the best correction for distance), which correspond to distances 30 cm, 40 cm, 60 cm and 80 cm, respectively.

DIAGNOSTIC_TEST

wDDART - Monocular near visual acuity using the best correction for distance

The same participants undergo visual acuity test via the web-based digital near vision reading test wDDART at 30 cm, 40 cm, 60 cm and 80 cm, having their best correction for distance.

Sponsors & Collaborators

  • Democritus University of Thrace

    lead OTHER

Principal Investigators

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

Eligibility

Min Age
40 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-11-20
Primary Completion
2021-03-20
Completion
2021-05-20

Countries

  • Greece

Study Locations

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Entities

Diseases

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 NCT04739085 on ClinicalTrials.gov