Assertion: astigmatism's shape | /r/CapableOf | refract light
Facets:
value: onto the retina
type: TRANSITIVE-OBJECT
value: correctly
type: MANNER
Source sentences:
text: Like LASIK, PRK uses a guided laser to shape off some layers of cells of the cornea, creating a regular shape that refracts light correctly onto the retina.
text: Like LASIK, PRK uses a guided laser to shape off some layers of cells of the cornea, creating a regular shape that refracts light correctly onto the retina.