If you donât have anything good to say, donât say anything at all. MAN: OK, I wonât! (SILENCE UNTIL SPRING). As it turns out, the film JEREMIAH JOHNSON is based on an actual book, a work of fiction entitled MOUNTAIN MAN by Vardis Fisher.
Often, the cause of iritis can't be determined. In some cases, iritis can be linked to eye trauma, genetic factors or certain diseases. Causes of iritis include: Injury to the eye. Blunt force trauma, a penetrating injury, or a burn from a chemical or fire can cause acute iritis. Infections.
1 Iritis is inflammation of the iris, the coloured part of the eyeball. Iritis is uncommon, but can be due to trauma, infections, or autoimmune conditions. Symptoms include pain, red eye, and often, decreased vision.  Optic neuritis. The nerve travelling from the back of the eyeball into the brain can become inflamed.