Assertion: astigmatism's meridian | /r/CapableOf | focus light
Facets:
value: behind the retina
type: LOCATION
Source sentences:
text: Myopic Astigmatism occurs when one or two principal ocular meridians focus light in front of the retina (are nearsighted).
text: Hyperopic astigmatism occurs when one or two principal ocular meridians focus light behind the retina (are farsighted).
text: Mixed astigmatism occurs when one principal ocular meridian focuses light behind the retina ( is farsighted ) and the other principal ocular meridian focuses light in front of the retina ( is nearsighted ).
text: Mixed astigmatism occurs when one principal ocular meridian focuses light behind the retina ( is farsighted ) and the other principal ocular meridian focuses light in front of the retina ( is nearsighted ).