Deaf-blind

“Deaf-blind”, which may be referred to as dual sensory impaired, means a disability that:

(1) is a concomitant hearing and vision loss or reduction in functional hearing and vision capacity;

(2) causes significant communication and adaptive behavior deficits;

(3) adversely affects the student's educational performance; and

(4) cannot be accommodated for by use of a program or service designed solely for students who are:

(A) deaf or hard of hearing; or
(B) blind or have low vision.