Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English

-opsia

A defect of vision.

[Greek -opsia, seeing, from ōps, ōp-, eye, face.]

Achromatopsia (Greek a-, without, plus khrōma, khrōmat-, colour) is total colour blindness, while chromatopsia is abnormally coloured vision, a rare condition of varied cause; hemianopsia (or hemianopia) is blindness over half the field of vision; micropsia (Greek mikros, small) is a condition in which objects appear smaller than normal; metamorphopsia (Greek metamorphoun, transform, change shape) is a defect in which objects appear distorted. See also -opia.

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