Some enthusiasts combine their interest in trains with the hobby of monitoring radio communications, specializing in listening to radio communications of railroad operations using a scanner.
Ocular Citatrical Pemphigoid/Mucous Membrane Pemphigoid. Mucous membrane pemphigoid (MMP) is a rare, inflammatory autoimmune disorder characterized by blistering lesions that affect the mucous membranes of the body, especially the mouth and the eyes. Typical symptoms include redness, pain, tearing, and sensitivity to light.
Cicatricial pemphigoid is an autoimmune disease that is characterised by blistering lesions on mucous membranes. It is also called benign mucous membrane pemphigoid or oral pemphigoid. Areas commonly involved are the oral mucosa (lining of the mouth) and conjunctiva (mucous membrane that coats the inner surface of the eyelids and the outer surface of the eye).