The following medical conditions, when their existence is certified by a physician, physician assistant or nurse practitioner, justify granting an exemption from the limits on light transmittance found in Vehicle and Traffic Law, section 375(12-a)(b), provided that personal protective measures such as sun protective clothing, sunscreen, or eye protective devices do not offer adequate protection:

Albinism;

chronic actinic dermatitis/actinic reticuloid;

dermatomyositis;

lupus erythematosus;

porphyria;

xeroderma pigmentosum;

severe drug photosensitivity, provided that the course of treatment causing the photosensitivity is expected to be of prolonged duration;

photophobia associated with an ophthalmic or neurological disorder; and

any other condition or disorder causing severe photosensitivity in which the individual is required for medical reasons to be shielded from the direct rays of the sun.