Assertion: astigmatism's meridian | /r/CapableOf | connect twelve and six o’clock
Facets:
value: across the center of the eye
type: LOCATION
Source sentences:
text: If comparing the eye to a clock, one meridian would be a line connecting twelve and six o’clock across the center of the eye and another meridian would be a line connecting nine and three across the center of the eye.