Assertion: astigmatism's meridian | /r/HasProperty | consecutive variation
Facets:
value: from one meridian
type: LOCATION
value: in this case
type: TEMPORAL
value: in the refractive power
type: LOCATION
Source sentences:
text: In this condition, the principal meridians are always 90˚ apart from each other and in this case, there will be a consecutive variation in the refractive power from one meridian to another.