A comparison of the test capabilities of the various Pseudoisochromatic plates available.
Product
Screening
Congenital
Acquired
Ability to Classify
Determine Extent
Number of Plates
Pediatric Version
Time to Administer
Price
City University, London
Yes
No
10
Moderate
$364.50
Dvorine
23
$471.00
HRR 4th Edition
24
Quickest
$219.00
Ishihara - 24 Plates
Separate
Incomplete
$212.10
Lanthony Tritan Album
Yes (B/Y only)
5
Quick
$251.00
SPP1
19
Slower
$198.00
SPP2
Some
12
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