SCIO ruler is a rotating device composed of two disks. Upper
disk is marked with 5 SCIO cretiria to select (clinical form,
depth of involvement, hyperkeratosis degree, age and location).
On the lower disk all corresponding SCIO values are present.
Reverse contains treatment guideline for resulting ranges
Using SCIO ruler is easy, just rotate the disk and get the
Many physicians in Russia and abroad are familiar with SCIO
ruler an use it now evaluating and treating patients. SCIO
ruler is also used in all SCIO-related studies.
SCIO ruler was printed in 5 editions, each containing modification
(about 30000 pieces printed in total). Recent modifications,
in addition to improved design, contain color scheme for different
treatment approaches (e.g. topical
treatment is green and nail
avulsion is red). These newer rulers even contain
a hole (incision) to measure nail length and involvement.