Assertion: retina's area | /r/HasProperty | centered
Facets:
value: on the edge of the foveola
type: LOCATION
Source sentences:
text: If the area of vitreomacular traction is focal and anteroposterior, it may result in vitreofoveal or vitreomacular traction syndrome; if the area of traction is focal and centered on the edge of the foveola, it may form a macular hole; and if the area of traction is wide and spreads across the macula, it may form a macular pucker.