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.
Mucous membrane pemphigoid is a rare group of autoimmune blistering disorders that affects females twice as often as males. The average age of onset of MMP is during the seventh decade (60 to 70 years of age). However, the disorder can occur at any age. The exact incidence of MMP is unknown.