myosis

Plural: myoses

Noun

• an acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest)
• reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
• Alternative spelling of miosis.

Synonyms

Bornholm disease, diaphragmatic pleurisy, epidemic myalgia, epidemic pleurodynia, light reflex, miosis, pupillary reflex