Assertion: astigmatism's meridian | /r/HasProperty | invisible lines
Facets:
Source sentences:
text: Hyperopic astigmatism happens when one or both of the eye’s meridians (invisible lines that run from right to left and top to bottom) are farsighted (people who can see clearly from up close but have difficulties seeing far away).
text: happens when one or both of the eye’s meridians (invisible lines that run from right to left and top to bottom) are farsighted (people who can see clearly from up close but have difficulties seeing far away).