Unless the context clearly requires otherwise, the definitions in this section apply in RCW 28A.155.115
(1) "Student" means a student who:
(a) Has a visual acuity of 20/200 or less in the better eye with conventional correction or having a limited field of vision such that the widest diameter of the visual field subtends an angular distance not greater than twenty degrees;
(b) Is unable to read printed material at a competitive rate with facility due to functional visual impairment or lack of visual acuity; or
(c) Has a physical condition with a medical prognosis of a significant visual deterioration to the extent that (a) or (b) of this subsection could apply.
(2) "Braille" means the system of reading and writing through touch commonly known as standard English Braille.