Assertion: astigmatism's eye | /r/HasProperty | cornea
Facets:
Source sentences:
text: Astigmatism occurs when either the front surface of your eye (cornea) or the lens, inside your eye, has mismatched curves.
text: Astigmatism is a vision problem caused when the clear front cover of the eye (the cornea) is shaped irregularly.
text: An astigmatism occurs when the front surface of the eye, known as the cornea, is not perfectly and evenly curved in all directions.
text: Astigmatism occurs when either the front surface of your eye (cornea) or the lens, inside your eye, has mismatched curves.
text: That’s because light bends, or refracts, as it passes through the clear outer covering of the eye (cornea) and focusing part of your eye (lens).
text: Astigmatism occurs when either the front surface area of your eye (cornea) or the lens, inside your eye, has mismatched curves.
text: The lenses gently and temporarily reshape the front surface of the eye (cornea), resulting in clear vision the following day.
text: In keratoconus, the clear front part of the eye (the cornea) is so thin that the cornea actually changes shape over time, which creates astigmatism.
text: Astigmatism occurs when the layer of tissue at the front of your eye (the cornea), or your eye's lens, isn't perfectly curved.