astigmatism

WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

Noun astigmatism has 2 senses

astigmatism, astigmia - (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
--₁ is a kind of ametropia
--₁ has particulars: keratectasia; keratoconus
astigmatism, astigmia - (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
--₂ is a kind of condition, status
Antonyms: stigmatism

asthetism asthma asthma attack asthmatic asti astia astible astigmatic astigmatism astigmia astilbe astilbe biternata astilbe chinensis pumila astilbe japonica astimagtism astinent astintagous

Sponsored (shop thru our affiliate link to help maintain this site):

Check latest bestsellers | New Arrivals in Electronics