1. Form HSMV 83390, Application for Sunscreening Medical Exemption, accurately completed. Obtain a signed statement from a licensed physician validating the need for darker window tints.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. Applicants submit form HSMV 83390, which outlines their condition and the reasons for the exemption. This Catalog provides information about Miami Dade. College's academic programs and student support ser- vices.