glaucoma
noun /ɡlaʊˈkəʊmə/, /ɡlɔːˈkəʊmə/
/ɡlaʊˈkəʊmə/, /ɡlɔːˈkəʊmə/
[uncountable]- an eye disease involving increased pressure in the eye that makes you gradually lose your sightWord Originmid 17th cent.: via Latin from Greek glaukōma, based on glaukos ‘bluish-green, bluish-grey’ (because of the grey-green haze in the pupil).