Eye Deceases


What is Chorioretinitis?

Chorioretinitis is the inflammation of the retina and choroids of the eye. The actual cause of this is various pathogens like viruses, bacteria, fungus or protozoa. Other diseases like sarcoidosis which are noninfectious can also cause deposits in the eye which also leads to inflammation.

ICD-10 H30.9
ICD-9 363.20
DiseasesDB 2613
MeSH D002825

Chorioretinitis Causes

Below is a list of causes of chorioretinitis:-

Toxocariasis- Toxocariasis is an infection that is passed from animals to human. It is caused by parasitic roundworms which are found in the intestine of dogs.
Cytomegalovirus- Cytomegalovirus is also known as CMV which is a common virus. Nearly one-half of young people in the U.S are infected with it.
Histoplasmosis- Histoplasmosis is caused by a fungus known as histoplasma capsulatum.
Herpes Virsus 2- The herpes virsus 2 is sexually transmitted and is causes carcinoma of the cervix as well as genital lesions.
Congenital Syphilis- Congenital syphilis is passed from a mother to the unborn child.
Toxoplasmosis- Toxoplasmosis is caused by a single celled parasite named Toxoplasma gondii.

Chorioretinitis Symptoms

There are basically three symptoms and signs which are below:-

  • Floating black spots
  • Progressive loss of vision
  • Blurry vision

Chorioretinitis Treatment

Below are a few options for treatment of chorioretinitis:-

Antivirials- There are four drugs to treat cytomegalovirus infection. They are valganciclovir, ganciclovir, cidofovir and foscarnet.
Anthelmintics which include diethylcarbamazine, mebendazole and albendazole are given with corticosteroids to patients with toxocariasis.
Candida Species Infection- Amphotericin B and Fluconazole is recommended as antifungals for the treatment.
Ocular Histoplasmosis- If the treatment is limited to only photocoagulation of neovascular membranes, Amphotericin B is given for the treatment of systemic disease.
Cryptococcus Species Infection: Amphotericin B is given.