Hearing and vision professionals must be registered to practice in Ontario or in another Canadian province/territory at the time the eligibility forms are completed. Eligibility forms must be completed with the vision and hearing assessments and after the applicant reaches 16 years of age.  MCCSS is not responsible for any costs associated with the completion of these forms.

Only the following designated medical professionals are approved to complete Hearing and Vision forms:


  • Audiologist


  • Ophthalmologist
  • Optometrist

To be eligible for access to MCCSS-funded Intervenor Services, an applicant must meet the following criteria:

  • be at least 18 years of age,
  • be a current resident of Ontario,
  • not be attending secondary school, and
  • be diagnosed with both hearing and visual impairments that are non-corrective and meet the following criteria:


The hearing impairment must include at least one of the following criteria:

  • Hearing impairment is 41dB or greater at one or more frequencies in the range of 500 Hz – 4000 Hz in the better ear;
  • Speech audiometry test demonstrated a word discrimination score of 80% or lower at 60-70 dB; and/or;
  • The presence of an auditory dysfunction is strongly indicat


The visual impairment must include at least one of the following criteria:

  • Visual acuity of no better than 20/70 in the better eye after correction;
  • Visual field restrictions to 20 degrees or less; and/or;
  • Reduced visual abilities due to neurological issues including cortical/cerebral visual impairments, delayed visual maturation, or hemianopsia.