Assertion: led | /r/Causes | temporary blindness
Facets:
value: in theory
type: OTHER
value: at present
type: TEMPORAL
Source sentences:
text: At present, only a few LEDs—extremely bright LEDs that also have a tightly focused viewing angle of 8° or less—could, in theory, cause temporary blindness, and so are classified as "Class 2".In general,laser safetyregulations—and the "Class 1", "Class 2", etc. system—also apply to LEDs.
text: At present, only a few LEDs—extremely bright LEDs that also have a tightly focused viewing angle of 8° or less—could, in theory, cause temporary blindness, and so are classified as "Class 2".