Leukodystrophy is one of a group of disorders characterized by degeneration of the white matter in the brain. The word leukodystrophy comes from the Greek roots leuko, white, dys, abnormal, and troph, growth. The leukodystrophies are caused by imperfect growth or development of the myelin sheath, the fatty covering that acts as an insulator around nerve fibers. When damage occurs to white matter, immune responses can lead to inflammation in the CNS, along with loss of myelin. The degenerat
A corneal laceration can be a partial- or full-thickness injury to the cornea. A partial-thickness injury does not violate the globe of the eye (abrasion). A full-thickness injury penetrates completely through the cornea, causing a ruptured globe. This topic discusses the full-thickness injury.
Eye pain can occur on the surface of your eye or within your eye's deeper structures. Severe eye pain â especially accompanied by any degree of vision loss â may be a signal that you have a serious medical condition. Seek immediate medical attention. Eye pain that's on the surface of your eye might be described as itching, burning or shooting pain. Surface eye pain is often related to a foreign object in your eye, an eye infection, or anything that irritates or inflames the membrane covering the surface of your eye. You might describe eye pain originating deeper within your eye as throbbing or aching.