What is ARN eye?

What is ARN eye?

Acute retinal necrosis (ARN) is an inflammatory condition which may present as panuveitis. The principal causative viral agents have been found to be Varicella Zoster Virus (VZV) as well as Herpes Simplex Virus (HSV-1 and HSV-2) via polymerase chain reaction (PCR) testing of intraocular fluid.

Can acute retinal necrosis be cured?

Acute retinal necrosis, while rare, can result in severe ocular morbidity if not accurately diagnosed and immediately treated. Treatment should begin immediately with either oral or intravenous antivirals with concurrent intravitreal therapy to treat active disease and prevent fellow eye involvement.

Does acute retinal necrosis cause blindness?

Acute retinal necrosis (ARN) can lead to uveitis, retinal detachment, and blindness.

How rare is acute retinal necrosis?

Acute retinal necrosis syndrome is uncommon. Two recently published nationwide surveys from the United Kingdom estimated the incidence of ARN at one case per 2 million people per year.

What causes eye necrosis?

Acute retinal necrosis (ARN) is a medical inflammatory condition of the eye. The condition presents itself as a necrotizing retinitis. The inflammation onset is due to certain herpes viruses, varicella zoster virus (VZV), herpes simplex virus (HSV-1 and HSV-2) and Epstein–Barr virus (EBV).

What causes retinitis?

Retinitis is an inflammation of the retina, which can cause permanent vision loss. A number of microbes can cause retinitis, including Toxoplasma, Cytomegalovirus, Herpes zoster, Herpes simplex, and Candida.

How does your cornea get scratched?

Your cornea can be scratched by contact with dust, dirt, sand, wood shavings, metal particles, contact lenses or even the edge of a piece of paper. Corneal abrasions caused by plant matter (such as a pine needle) usually require special attention as they can cause a delayed inflammation inside the eye (iritis).