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.
The term hemorrhage refers to the breakage of tiny blood vessels. Most people do not realize they have a broken blood vessel in their eye until someone tells them or they look in a mirror. This condition is not painful, and typically develops after blunt trauma to the eye. In most cases, treatment is not needed for a subconjunctival hemorrhage.