Optometrists separate contact-lens facts from fiction: test your knowledge

Contact lenses are a modern medical miracle. Little, clear, circular pieces of plastic let many Canadians see clearly without having to wear glasses. Over the past few decades many of us have heard eye-popping tales about contact lenses. Yahoo Canada spoke with three Canadian optometrists to help separate the facts from the fiction when it comes to contact lenses. Scroll through the gallery above to test your knowledge.

All photos via Thinkstock/Associated Press.