Assertion: astigmatism's eye | /r/HasProperty | retina
Facets:
Source sentences:
text: Astigmatism correction is achieved when laser eye surgery reshapes the inner layer of the cornea, which then allows light entering the eye to come to a single focus on the inner layer of the eye (retina).
text: The lens has variations in its curvature, rather than having a perfect curve, causing images to reach the back of the eye (retina) imperfectly.