Definition of "Stigmatism" :
noun: normal eyesight
noun: (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point
noun: the condition of having or being marked by stigmata
noun: normal eyesight
noun: (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point
noun: the condition of having or being marked by stigmata