Astigmatoscopy
examination by means of an astigmatoscope.
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- Astigmia
also called astigmia [uh-stig-mee-uh] /əˈstɪg mi ə/ (show ipa). ophthalmology. a refractive error of the eye in which parallel rays of light from an external source do not converge on a single focal point on the retina. optics. an aberration of a lens or other optical system in which the image of a point is […]
- Astilbe
any plant of the genus astilbe, of the saxifrage family, having spirelike cl-sters of small white, pink, or reddish flowers. noun any perennial saxifragaceous plant of the genus astilbe of e asia and north america: cultivated for their ornamental spikes or panicles of pink or white flowers
- Astir
moving or , especially with much activity or excitement: the field was astir with small animals, birds, and insects. up and about; out of bed. historical examples but, then, it was so early that not many even of the early-rising farmers were astir. ruth fielding in the red cross alice b. emerson the child was […]
- Astmh
astmh american society of tropical medicine and hygiene
- Astolat
a place in the arthurian romances, possibly in surrey, england. historical examples but is this damsel that is so busy about you the fair maid of astolat?’ the book of romance various when he was well enough, they all rode to the castle of astolat. king arthur and his knights maude l. radford “by my […]