SYNONYMS AND RELATED EXPRESSIONS
astigmatism
noun
A refractive error in which the shape of the cornea or eye lens causes light to focus unevenly, potentially blurring or distorting vision.
Local English device voice, when available. This is not a recorded dictionary pronunciation.
Uneven focusing in the eye
Closest synonyms
Related words and expressions
These extend or explain the idea and may require a different sentence structure.
Usage distinction
Return to topAstigmia is uncommon. Refractive error is a broader category, and myopia is a different condition.
CHECK THE MEANING IN CONTEXT
See astigmatism in use
The student learned how the word astigmatism differs from the word myopia.
A display entry on astigmatism described uneven focusing of light associated with the shape of an eye's cornea or lens, rather than using the term for any blurred photograph.
Compare an alternative with the original word in each passage. Shared meanings do not make every pair interchangeable.
Synonym reference scope and sources
The groups distinguish the senses selected for this study entry. Closest synonyms and broader related expressions have separate labels. The listed sources support lexical selection; not every phrase is a direct quotation from a source.
How the synonym reference was prepared / WordNet 3.0 license