Conjunctivitis
Other namesPink eye
SpecialtyOphthalmology
SymptomsReddish eye, scratchiness
DurationViral conjunctivitis: up to two weeks
CausesViral, bacterial, allergies
Diagnostic methodBased on symptoms, microbial culture
PreventionHandwashing
TreatmentBased on underlying cause
Frequency3–6 million per year (US)