If you're short-sighted or long-sighted, have astigmatism or double vision, you now live in a world where glasses can help you out.

But there's a misconception hanging around that wearing spectacles weakens your eyes over time, and so some people avoid getting their vision checked.

Norman and Tegan focus in on how glasses work and the long term impacts of wearing them.

References:

• When time outside doesn't slow short-sightedness - the Health Report
• The history of spectacles - the College of Optometrists
• To Correct or Not Correct? Actual Evidence, Controversy and the Questions That Remain Open
• Undercorrection of myopia enhances rather than inhibits myopia progression
• Interventions to slow progression of myopia in children - Cochrane Review