Visual Impairment (including blindness): A practical guide for parents & teachers How visual loss affects access to the general curriculum — and what to do next: referral, evaluation, and the IEP process. What is Visual Impairment (including blindness)? Visual Impairment under IDEA describes vision loss (partial or total) that, even with correction (glasses, contacts), adversely affects a student’s educational performance.  This includes low vision that requires enlarged print or magnification, as well as blindness that necessitates Braille and orientation and mobility (O&M) services.  Visual Impairment may affect reading, writing, access to classroom materials, motor skills, independent navigation, and social participation. Common Signs that Should Prompt a Referral Refer for evaluation when a student shows persistent or suspected vision-related difficulties that affect learning or safety: Frequently loses place while reading, holds books very close, or squints. ...