Is There a Medical Exemption for Tint in Ontario?

Are you considering getting your vehicle windows tinted? Have you heard about the possibility of a medical exemption for window tint in Ontario but aren’t really sure what it means? You’re not alone. In this post, we aim to explain the ins and outs of this topic to help you better understand.

What is Window Tinting?

In simple terms, window tinting is the process of applying a thin film to the interior or exterior of vehicle windows. The purpose? To reduce the amount of heat and sunlight that enters the car, thereby increasing privacy and providing a cooler, more comfortable driving environment.

The Law and Window Tint in Ontario

In Ontario, there is indeed a specific law relating to the tinting of car windows. According to the Highway Traffic Act, no person shall drive on a highway a motor vehicle on which the surface of the windshield, or of any window to the direct left or right of the driver, has been coated with any color spray or other color coating in a way that obstructs the driver’s vision.

Understanding the Ontario Window Tint Laws
Window Legal Light Transmission Diagnostic Notes
Windshield Must allow 70% light Tinting only allowed on top 15cm
Front side windows Must allow 70% light No reflective or mirrored appearance
Rear windows No restriction Vehicle must have left and right outside mirrors

A Medical Exemption – Is this true?

Yes, a medical exemption for window tint exists in Ontario. This is aimed at individuals who suffer from certain medical conditions that make them highly sensitive to sunlight. If you have a medical condition for which your physician recommends tinting your vehicle’s windows beyond the legal limit, you are eligible for an exemption. However, you still need to apply and obtain a ‘Permission for Window Tint’ document from the Ministry of Transportation.


While the regulations regarding window tinting in Ontario are clear, the medical exemption is often less understood. It’s important to remember that the exemption is there for those who truly need it, and abuse of this allowance can result in penalties. Always consult a professional before making any modifications to your vehicle, and if you believe you may qualify for a medical exemption, reach out to your doctor and the Ministry of Transportation.

Hashtags: #OntarioWindowTintLaw #MedicalExemption #VehicleTinting


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