CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 59 enrolled
Drug / intervention
Visual acuity assessment by ETDRS chartsother
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04520243
NCT04520243N/ACompleted
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Evaluation of Letters Versus Numbers (ELEVEN) Study: ETDRS Visual Acuity Chart Performance in an English Alphabet Illiterate Population

The University of Hong Kong·interventional·Posted Aug 20, 2020·Updated Aug 20, 2020

In Brief

A clinical study evaluating Visual acuity assessment by ETDRS charts for Visual Acuity. Completed, enrolled 59 participants across 1 site.

Detailed 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.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsVisual Acuity
CountriesHong Kong
Collaborators--

Timeline

N/ACompletedFinished
2020202120222023202420252026
First PostedAug 20, 2020
Enrollment StartAug 1, 2019
Primary CompletionJan 31, 2020
TodayJul 2, 2026
Enrollment to primary: 6 monthsPosted 5.9 years ago

Interventions

Visual acuity assessment by ETDRS chartsother

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