CRA evaluates DTC eligibility for vision based on specific measurable criteria: visual acuity of 20/200 or worse in the better eye with correction, or a field of vision of less than 20 degrees. Unlike most other DTC categories, vision eligibility has clear quantitative thresholds. If you meet either criterion, you likely qualify for the Disability Tax Credit. Conditions such as legal blindness, retinitis pigmentosa, advanced glaucoma, and macular degeneration frequently meet these thresholds.
For a comprehensive overview of all DTC eligibility categories, see our Complete Guide to the Disability Tax Credit in Canada. For more on the Vision category specifically, see our Vision criteria guide.
CRA Functional Category
Vision: CRA evaluates the DTC under the "Vision" category. Eligibility is based on functional impact — not diagnosis alone. The restriction must be present all or substantially all of the time (at least 90%), even with appropriate therapy, medication, and devices.
Conditions Covered in This Guide
The following conditions are addressed in this guide: Legal Blindness, Retinitis Pigmentosa, Advanced Glaucoma, Macular Degeneration.
Having one of these conditions does not guarantee DTC eligibility. CRA evaluates whether the condition causes a marked restriction — meaning the person either cannot perform the activity independently or takes approximately three times longer than someone without the impairment. Conditions not listed here may also qualify if they cause equivalent functional impact.
How CRA Evaluates Functional Impact
CRA looks for specific indicators of a marked restriction under the Vision category. The following are common indicators that support eligibility:
- Visual acuity of 20/200 or worse in the better eye with correction
- Field of vision less than 20 degrees
These indicators must be documented by a qualified medical practitioner on the T2201 form using CRA-aligned functional language. The practitioner should describe what the person cannot do or how long daily activities take — not simply list the diagnosis.
Who Can Sign the T2201
The following practitioners are authorized to complete the T2201 form for the Vision category:
- Optometrist
- Ophthalmologist
- Nurse Practitioner
Your practitioner does not need to be a specialist — Nurse Practitioners can sign the T2201 for any category. However, having documentation from a relevant specialist can strengthen the application.
Documents Typically Required
To support a DTC application under this category, the following documentation is typically needed:
- Vision exam results
- T2201 — Vision section
My Benefits Canada coordinates directly with your medical practitioner to ensure all documentation is complete and uses the precise functional language CRA evaluates.
What Happens If You Are Approved
If your DTC application is approved, you may be entitled to:
- Retroactive tax adjustments for up to 10 prior tax years
- Ongoing annual tax reduction through the non-refundable disability amount
- RDSP eligibility — the Registered Disability Savings Plan, which includes government grants and bonds
- Canada Disability Benefit — the new federal income support for working-age Canadians with disabilities (coming 2025-2026)
- Provincial benefits that use DTC eligibility as a gateway
For more on retroactive claims, see our Retroactive Claims Guide. For RDSP details, see our RDSP & DTC Integration Guide.
How My Benefits Canada Can Help
Our team manages the entire DTC application process — from initial eligibility assessment through CRA approval and retroactive tax adjustments. We coordinate directly with your medical practitioner to complete the T2201 using precise, CRA-aligned functional impact language.
Our fee is 25% of retroactive refunds only, collected after approval. No upfront costs. If your application is not approved, you pay nothing.
Start your free eligibility assessment →
My Benefits Canada is not affiliated with the Canada Revenue Agency. This content is for informational purposes only and does not constitute tax or medical advice. Individual eligibility depends on specific circumstances as assessed by CRA.
