Assertion: astigmatism | /r/CreatedBy | the shape of the lens
Facets:
value: in some cases
type: OTHER
Source sentences:
text: In some cases, astigmatism is caused by the shape of the lens itself (a condition called lenticular astigmatism).
text: In some cases, astigmatism is caused by the shape of the lens itself (a condition called lenticular astigmatism).