Presumed ocular histoplasmosis syndrome (POHS): Symptoms and ... - Medical News Today
Presumed ocular histoplasmosis syndrome (POHS) is an eye disorder that doctors believe is a complication of a fungal infection with the Histoplasma species. Although this has yet to be proven, this is why the diagnosis is "presumed." An infection with Histoplasma (histoplasmosis) typically affects the lungs. However, it can cause long-term complications or spread to other organs in some people. Very rarely, it can lead to problems within the eye. Early treatment for POHS is very important since it can prevent eye scarring and vision loss. Read on to learn more about presumed ocular histoplasmosis. Histoplasmosis occurs due to an infection with a fungus called Histoplasma capsulatum. The infection can move away from the lungs and to the eyes. The fungus travels in the bloodstream to reach the choroidal vessel, causing eye problems, such as POHS. Many people may be unaware that they have histoplasmosis and most experience no symptoms. POHS can cause scarring at the back of the...