Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
astigmatism | Yes | No | No | No |
stigmatism | Yes | No | No | No |
astigmatism (noun) | stigmatism (noun) |
---|---|
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point | normal eyesight |
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people | (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point |
the condition of having or being marked by stigmata |