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

REGULAR ASTIGMATISM

\ɹˈɛɡjuːləɹ ɐstˈɪɡmətˌɪzəm], \ɹˈɛɡjuːləɹ ɐstˈɪɡmətˌɪzəm], \ɹ_ˈɛ_ɡ_j_uː_l_ə_ɹ ɐ_s_t_ˈɪ_ɡ_m_ə_t_ˌɪ_z_ə_m]\

Definitions of REGULAR ASTIGMATISM

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

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is that in which the two principal meridians are at right angles to each other.

1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

That error of refraction in which the meridians vary regularly from a maximum curvature in one principal meridian to a minimum curvature in the second principal meridian at right angles to the first. Usually the defect is in the cornea.

1916 - Appleton's medical dictionary
By Smith Ely Jelliffe

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