Literally means the art and science of educating children, pedagogy is often used as a synonym for teaching. Pedagogy embodies teacher-focused education. www.neiu.edu/~dbehrlic/hrd408/... Function, work or art of a teacher; teaching; instruction.
A stroke of the optic nerve is caused by ischemia or poor circulation to the blood vessels that supply the front or anterior portion of the optic nerve. Without nutrients and oxygen being supplied in adequate amounts, a portion of the nerve tissue will be lost.isual acuity is directly related to the location and amount of the optic nerve affected by the stroke. Some patients may have a profound loss in one eye while the other eye still has 20/25 vision. However, loss of side vision often complicates the loss of vision.
Optic neuritis is an inflammation of the optic nerve. Nerve damage caused by optic neuritis can result in changes in color vision (eg. color red becomes dull), blurring or graying of vision, appearance of a dark spot (scotoma) in the central visual field, or temporary blindness (typically in only one eye).