Assertion: irregular astigmatism | /r/HasProperty | uncommon
Facets:
value: naturally
type: MANNER
value: very
type: DEGREE
value: compared with the regular form
type: OTHER
Source sentences:
text: Irregular astigmatism, which is clinically relevant, is very uncommon compared with the regular form.
text: Irregular astigmatism, which is often associated with prior ocular surgery or trauma, is also a common naturally occurring condition.