Stigmatism vs. Astigmatism

Difference Between Stigmatism and Astigmatism
Stigmatismnoun
(optics) Image-formation property of an optical system which focuses a single point source in object space into a single point in image space
Astigmatismnoun
(optics) A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred.
Stigmatismnoun
(medicine) Normal eyesight, anastigmatic state
Astigmatismnoun
(pathology) A disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image.
Stigmatismnoun
(pathology) State of having stigmata
Astigmatismnoun
(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
Stigmatismnoun
the condition of having or being marked by stigmata
Astigmatismnoun
(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
Stigmatismnoun
(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point
Stigmatismnoun
normal eyesight