Assertion: astigmatism's option | /r/HasProperty | corneal procedure
Facets:
Source sentences:
text: Another option for treating astigmatism is a corneal procedure called orthokeratology (ortho-k).
text: Another option is orthokeratology, also known as Ortho-K therapy or corneal reshaping.
text: Another option for treating astigmatism is a corneal procedure called orthokeratology (ortho-k).