Assertion: astigmatism | /r/HasProperty | few small changes
Facets:
value: after the age of 2 years
type: TEMPORAL
Source sentences:
text: Several studies have addressed changes in astigmatism during life; the general consensus is that astigmatism present during the 1st year of life decreases as the infant grows, but that there are few small changes after the age of 2 years and that a stable value is reached at age ⩾3 years , , .