77 Ill. Adm. Code 685.230
Personnel
Section 685
Section 685.230Â Personnel
Vision screening services shall
be provided by a vision technician certified by the Department. Any person with
a high school education or its equivalent who is working in or supervising, or
has a definite commitment to work in or supervise, a vision screening program
may apply for training. The screening program must be for the identification of
vision problems in preschool and school age children.