Assertion: spectacle | /r/HasProperty | unsatisfactory solution
Facets:
value: after their invention
type: TEMPORAL
value: by the conservative medical profession
type: OTHER
Source sentences:
text: This is a more convincing reference to early spectacles than the similar remark by Bernard de Gordon in 1305, but it also implies that, nearly a century after their invention, spectacles were still considered an unsatisfactory solution, at least by the conservative medical profession.