What is the definition of Irregular astigmatism? | Dictionary.net

IRREGULAR ASTIGMATISM

\ɪɹˈɛɡjuːləɹ ɐstˈɪɡmətˌɪzəm], \ɪɹˈɛɡjuːləɹ ɐstˈɪɡmətˌɪzəm], \ɪ_ɹ_ˈɛ_ɡ_j_uː_l_ə_ɹ ɐ_s_t_ˈɪ_ɡ_m_ə_t_ˌɪ_z_ə_m]\

Definitions of IRREGULAR ASTIGMATISM

1898 - American pocket medical dictionary
1916 - Appleton's medical dictionary

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that in which different portions of a meridian have different refracting powers.

1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

Astigmatism in which there is an irregularity in curvature along some one meridian or group of meridians of the refractive surfaces.

1916 - Appleton's medical dictionary
By Smith Ely Jelliffe

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