Assertion: scleral lens | /r/ObjectUse | used in experiment
Facets:
value: for measuring eye movements
type: PURPOSE
value: commonly
type: TEMPORAL
value: in ophthalmology or cognitive science
type: LOCATION
Source sentences:
text: In experiments in ophthalmology or cognitive science, scleral lenses with embedded mirrors or with embedded magnetic field sensors in form of wire coils (called scleral coils) are commonly used for measuring eye movements.