LOW VISION Professional services for severe visual problems that cannot be corrected with regular lenses, including: Supplemental Testing: Covered in full*. -Includes evaluation, diagnosis and prescription of vision aids where indicated. Supplemental Aids: 75% of VSP PREFERRED Provider’s fee, up to $1000.00* *Maximum benefit for all Low Vision services and materials is $1000.00 every two (2) years and a maximum of two supplemental tests within a two-year period. Low Vision Services are a Plan Benefit when specific benefit criteria are satisfied and when prescribed by Covered Person's VSP Network Provider. 14