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[¹an- + Gr. stigma, stem stigmat-, point + -ism] ABBR: As A form of ametropia in which the refraction of a ray of light is spread over a diffuse area rather than sharply focused on the retina. It is due to differences in the curvature in various meridians of the cornea and lens of the eye. The exact cause is unknown. Some types show a familial pattern. astigmatic (as″tig-mat′ik), adj. SYN: SEE: astigmia
Venes, Donald, editor. "Astigmatism." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/regular_astigmatism.
Astigmatism. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/regular_astigmatism. Accessed December 11, 2019.
Astigmatism. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/regular_astigmatism
Astigmatism [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 December 11]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/regular_astigmatism.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - astigmatism
ID - 768805
ED - Venes,Donald,
BT - Taber's Medical Dictionary
UR - https://www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/regular_astigmatism
PB - F.A. Davis Company
ET - 23
DB - Taber's Online
DP - Unbound Medicine