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Severity Rating Scales

The severity rating scales are optional tools that support consistency in determining service delivery times for students who are blind or low vision. Use the scales to establish how often a particular service should be delivered to a student. 

Vision Services Severity Rating Scale (VSSRS)

VSSRS

For visual impairment services delivered by teachers and teacher consultants.

 Download VSSRS [PDF]

Orientation & Mobility Severity Rating Scale (O&MSRS) - Revised

O&MSRS - Revised

For orientation and mobility services.