Assertion: astigmatism's cornea | /r/HasAspect | its flattest shape
Facets:
value: generally
type: DEGREE
value: on steepens
type: LOCATION
value: on awakening
type: TEMPORAL
value: until the evening
type: TEMPORAL
Source sentences:
text: From previous reports, it is postulated that generally the cornea has its flattest shape on awakening and steepens slightly until the evening (Manchester, 1970).