1 Leber's hereditary optic neuropathy (LHON). 2  Particularly prevalent among males, this type of inherited optic neuropathy can affect even carriers who don't have other symptoms but do have a degree of color blindness. 3  Red-green color vision defects primarily are noted with this condition. 4  Kallman's syndrome.
This medical symptom information shows the various types of Fever, and other related symptoms or conditions, including their causes and diagnosis. 1  Chills. 2  FUO. 3  Low-grade fever. 4  Prolonged fever. 5  Mild fever. 6  High fever. 7  Very high fever. 8  Recurrent fever.
Fever blisters are one of the most common conditions of the mouth. Also known as cold sores (and known medically as herpes labialis), fever blisters are caused by a contagious virus called the herpes simplex virus.There are two types of herpes simplex viruses: 1  Herpes simplex type 1 (HSV-1).n fact, more than 95 percent of recurrent fever blister outbreaks are caused by HSV-1. Most people infected with the HSV-1 virus usually become infected before they are 10 years old. On the other hand, HSV-2 most commonly causes genital herpes (see Genital Herpes Causes) .