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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.
To hear audio pronunciation of this topic, purchase a subscription or log in., adj.
SYN: SEE: astigmia
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Venes, Donald, editor. "Astigmatism." Taber's Medical Dictionary, 24th ed., F.A. Davis Company, 2021. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/index_astigmatism.
Astigmatism. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2021. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/index_astigmatism. Accessed June 3, 2023.
Astigmatism. (2021). In Venes, D. (Ed.), Taber's Medical Dictionary (24th ed.). F.A. Davis Company. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/index_astigmatism
Astigmatism [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2021. [cited 2023 June 03]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/768805/all/index_astigmatism.
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T1 - astigmatism
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ED - Venes,Donald,
BT - Taber's Medical Dictionary
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PB - F.A. Davis Company
ET - 24
DB - Taber's Online
DP - Unbound Medicine
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