Assertion: astigmatism's zone | /r/Synonym | the circle of least confusion
Facets:
Source sentences:
text: In a zone known as the circle of least confusion, positioned between the tangential line image and the sagittal line image, the major and minor axes of the ellipse are equal and the image approaches a circular geometry.
text: In a zone known as the circle of least confusion, positioned between the tangential line image and the sagittal line image, the major and minor axes of the ellipse are equal and the image approaches a circular geometry.