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Evaluation of Letters Versus Numbers (ELEVEN) Study

NCT04520243 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 59

Last updated 2020-08-20

No results posted yet for this study

Summary

This is a prospective randomised controlled trial to determine the performance of Best Corrected Visual Acuity (BCVA) scores using the ETDRS number chart were compared with ETDRS alphabet chart in healthy eyes of patients who do not recognise the English alphabet.

Conditions

  • Visual Acuity

Interventions

DIAGNOSTIC_TEST

Visual acuity assessment by ETDRS charts

All participants must complete VA measurement of both eyes using 2 charts including the ETDRS letters chart and ETDRS numbers chart.

Sponsors & Collaborators

  • The University of Hong Kong

    lead OTHER

Principal Investigators

  • Nicholas Fung · Department of Ophthalmology, HKU

Study Design

Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
50 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2019-08-01
Primary Completion
2020-01-31
Completion
2020-01-31

Countries

  • Hong Kong

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 NCT04520243 on ClinicalTrials.gov