Assertion: macular degeneration's vision | /r/HasProperty | the illusion
Facets:
Source sentences:
text: If the disease has progressed further than this initial stage, symptoms can include blurred or fuzzy vision; the illusion that straight lines, such as the edge of a door or sentences on a page, are wavy; the illusion that some objects are smaller than they really are; and the appearance of a gray, dark or empty area in the center of the visual field.