astigmatism vs. myopia

Also called astigmia. Ophthalmology.,  a refractive error of the eye in which parallel rays of light from an external source do not converge on a single focal point on the retina.

Optics.,  an aberration of a lens or other optical system in which the image of a point is spread out along the axis of the system.

Ophthalmology.,  a condition of the eye in which parallel rays are focused in front of the retina, objects being seen distinctly only when near to the eye; nearsightedness (hyperopia ).

lack of foresight or discernment; obtuseness.

narrow-mindedness; intolerance.