At a glance
ClinicalIndex Comparison RecordN/ACompleted· 150 enrolled
Drug / intervention
Not specified
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.
Comparison of Vision Measured by the Vimetrics Central Vision Analyzer With That Measured by logMAR Acuity Chart Testing Under Similar Conditions of Luminance and Contrast
In Brief
An observational study for Refractive Error and 2 related conditions. Completed, enrolled 150 participants across 2 sites in 2 countries.
Detailed Summary
Purpose of The Study: The purpose of this study is the following: A)To gather age-related normative visual acuity data for the Vimetrics Central Vision Analyzer (CVA, Vimetrics, LLC, Media, Pa) B)To gather visual acuity data for patients with known ocular problems, including cataract and maculopathy. C)To correlate and compare the CVA visual acuity findings with the acuity measured with standard LogMAR acuity charts viewed under similar conditions of contrast and lighting
Study Details
Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsRefractive Error, Cataract, Maculopathy
CountriesAustria, United States
Collaborators--
Timeline
N/ACompletedFinished
20082009201020112012201320142015201620172018201920202021202220232024202520262027
Enrollment StartJan 2008
Primary CompletionMar 2009
First PostedJan 2014
TodayJul 2026
First PostedJan 7, 2014
Enrollment StartJan 1, 2008
Primary CompletionMar 1, 2009
TodayJul 2, 2026
Enrollment to primary: 1.2 yearsPosted 12.5 years ago