Complete this form in its entirety and return to any DMV customer service center, mail to DMV at the address above, or fax to (804) 367-1384. A person with a medical condition that requires sunshading for their health may apply for an exemption from the window tint restrictions.There's a legal process to get a medical exemption for window tint. It's not as simple as just showing up at the DMV with a prescription from your doctor. The DMV gives medical authorizations to individuals seeking protection from the sun, so your local DMV may be a good starting point to obtain a form.