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Related articles:
Stigmatism
Lens (optics)
Asthenopia
Aspect ratio
Refractive surgery
Key terms: plane optical axis astigmatism rays lens form focus object parts eye surface sagittal foci lines optical system error tangential sharp different disc aberration occurs shape chart degree square consider vertical refractive amount higher polishing aspect ratio optical axis transverse optic axis object points meridians direction curvature increases propagate typically components meridional plane perpendicular tangential plane form of astigmatism different distances Search external links cited by footnotes on Wikipedia page Astigmatism: |
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