Welch Allyn RETeval-DR, Directions For Use Manual

Page: 34 / 60

The image above shows the dependence of RETeval-DR measurements on diabetic
retinopathy severity level. Plots show the mean and standard error of the mean for each
severity group listed in the table below.
Severity group definitions
International clinical classification
(Wilkinson et al. 2003)
ETDRS level CSME
No NPDR 10 - 12 -
Mild NPDR 14 - 35 -
Moderate NPDR 43 - 47 -
CSME with no, mild, or moderate NPDR 10 - 47 +
Severe NPDR or proliferative DR 53 - 85 + / -
Ungradable ETDRS level ? +
View results
You can view test results either from the device or from a computer or laptop.
Test result details can be viewed on the device from the Results screen. Alternatively,
results can be transferred to the PC in PDF format for viewing.
Results from the device
The results are stored in chronological order with the most recent result first. After
showing the same summary page, the electrical and pupil responses are displayed.
The figures below show the results from the right eye; left eye results are similarly
shown.
30 Test results Welch Allyn
®
RETeval-DR
™