Patient history of prior or concurrent diseases, particularly those associated with acute retinal necrosis pathogens or sources of immunocompromised status, should be considered in the diagnosis of acute retinal necrosis. Symptoms of acute retinal necrosis include eye pain, vision loss, flashes of light in vision, excessive sensitivity to light, flu symptoms, and redness of the affected eye.

Patient history of prior or concurrent diseases, particularly those associated with acute retinal necrosis pathogens, or sources of immunocompromised status, should be considered in the diagnosis of acute retinal necrosis:^{[1][2][3][4][5]}

• History of diabetes mellitus
• History of prolonged corticosteroid use^[6]
• History of genital or oral herpes infection
• History of chickenpox or shingles
• History of mononucleosis
• History of HIV infection

Symptoms of acute retinal necrosis include the following:^{[2][3][4][5][7]}

• Vision loss
  • Blindness may be present in more severe cases
• Excessive sensitivity to light
• Ocular pain
• Flu symptoms
• Redness of the affected eye
• Flashes of light in vision^[8][9]