You look up at the sky, and suddenly, you can see phantom squiggles, or shapes resembling worms or tangles of thread superimposed on your field of vision.
These objects are commonly called eye floaters. But what causes them? And are they benign, or can they sometimes signal a serious problem?
A big thank-you to the interviewees who so generously shared their time and expertise:
- Dr. Kristen North, an Ottawa optometrist and consultant in professional practice and health policy for the Canadian Association of Optometrists.
- Dr. Andre Stanberry, a clinical associate professor and clinic director at the University of Waterloo’s School of Optometry and Vision Science in Waterloo, Ont.