CDC Criteria for Conjunctivitis

Is the patient experiencing pain in the conjunctiva?

Is the patient experiencing pain around the eye?

Is the patient experiencing pain in the eye?

Is the patient's conjunctiva red?

Has a pathogen been isolated from culture of purulent exudate from conjunctiva or contiguous tissues?

Is there a purulent exudate on the conjunctiva?

Are white blood cells or organisms seen on Gram stain of conjunctival exudate?

Is an antigen test positive on conjunctival exudate or conjunctival scrapings?

Are multinucleated giant cells seen on microscopic examination of conjunctival exudate or scrapings?

Is a viral culture on conjunctival exudate positive?

Is a diagnostic serum IgM titer for a pathogen present?

Is a fourfold increase in serum IgG titer for a pathogen seen?