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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. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/768805/all/against_the_rule_astigmatism.
Astigmatism. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/768805/all/against_the_rule_astigmatism. Accessed November 13, 2019.
Astigmatism. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/768805/all/against_the_rule_astigmatism
Astigmatism [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 November 13]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/768805/all/against_the_rule_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://nursing.unboundmedicine.com/nursingcentral/view/Tabers-Dictionary/768805/all/against_the_rule_astigmatism
PB - F.A. Davis Company
ET - 23
DB - Nursing Central
DP - Unbound Medicine