Hello, you have come here looking for the meaning of the word
astigmia. In DICTIOUS you will not only get to know all the dictionary meanings for the word
astigmia, but we will also tell you about its etymology, its characteristics and you will know how to say
astigmia in singular and plural. Everything you need to know about the word
astigmia you have here. The definition of the word
astigmia will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
astigmia, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Etymology
From a- (negative prefix) + Ancient Greek στίγμα (stígma, “mark, point”) + -ia.
Pronunciation
- (US) IPA(key): /əˈstɪɡmiʌ/
- Hyphenation: a‧stig‧mi‧a
Noun
astigmia (usually uncountable, plural astigmias)
- (dated) astigmatism
1925, Elmer LeRoy Ryer, “General Principles” (chapter 1), in Ophthalmometry, Optical Publishing Company, page 3:[…] and the measurement and correction of astigmia is one of the chief functions of the optometrist.
1897, American Journal of Ophthalmology, page 312:Astigmia of the whole eye […] is the resultant of the special astigmia of all four refracting surfaces, […]
1910, John Elmer Weeks, A Treatise on Diseases of the Eye, page 648:Regular astigmia must be considered congenital, as a rule.
1898, Ophthalmic record, page 604:When the corneal astigmia is direct, and about 0.75 D., we may expect to find an almost total absence of astigmia by subjective examination.