NCT01622816CompletedNot Applicable
Prospective Determination of Agreement Between Standard ETDRS (Early Treatment Diabetic Retinopathy Study) Chart and Handheld Illuminated ETDRS Equivalent Chart in Eyes With Retinal Pathology
Julia Haller1 site in 1 country70 target enrollmentStarted: March 2012Last updated:
Conditions
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- Enrollment
- 70
- Locations
- 1
- Primary Endpoint
- ETDRS Letter Score
Study Overview
Brief Summary
Comparing visual acuity measurements (measurements of how well you can see) using a standard ETDRS (Early Treatment Diabetic Retinopathy Study) chart and a handheld ETDRS chart
Detailed Description
Prospective determination of agreement between standard ETDRS chart and handheld illuminated ETDRS equivalent chart in eyes with retinal pathology
Study Design
- Study Type
- Observational
- Time Perspective
- Prospective
Eligibility Criteria
- Ages
- 18 Years to — (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Ability to provide written informed consent and comply with study assessments for the full duration of the study (one visit per patient).
- •Age greater than 18 years.
- •Clinical diagnosis of retinal disease (including age-related macular degeneration, macular degeneration, retinal vessel occlusion, among others).
Exclusion Criteria
- •Presence of a significant cataract as determined by your doctor.
- •Presence of a significant posterior capsular opacity (haziness in your eyes) as determined by your doctor.
- •Diagnosis of uveitis (inflammation in part of the eye).
Outcomes
Primary Outcomes
ETDRS Letter Score
Time Frame: 1 Day
To determine the visual acuity measurement using this handheld internally illuminated ETDRS chart, and a standard back illuminated EDTRS chart. This will be done during the visual acuity test.
Secondary Outcomes
- ETDRS Letter Score Consistency(1 Day)
Investigators
Julia Haller
Investigator
Wills Eye
Study Sites (1)
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