Assertion: astigmatism | /r/HasProperty | high
Facets:
value: generally
type: DEGREE
Source sentences:
text: Unfortunately, if your astigmatism is too high, you may not be able to wear contact lenses because the range of prescriptions available in contact lenses is limited.
text: There are no hard and fast rules for categorizing astigmatism, but astigmatism of over four diopters is generally considered high.