Sliced Bread
BBC Radio 4
Dough - Eyewear
This episode of Sliced Bread explores the rapidly evolving future of eyewear, examining whether smart glasses and advanced contact lenses are poised to move beyond niche applications to become essential daily tools. Host Greg Foot, alongside futurist Tracy Follows and optometry experts, tracks the transition of spectacles from medical necessity to identity-defining fashion, while investigating how modern technology is reshaping our vision. The discussion highlights the growing global concern regarding myopia, particularly in East Asia, and the potential for new optical treatments to slow its progression and protect long-term eye health. The conversation shifts to the tech sector, featuring insights into how smart glasses are integrating AI to assist with communication, navigation, and accessibility for the visually impaired. Experts also consider the challenges of public adoption, citing privacy concerns and the importance of a glasses-first design approach. Finally, the episode looks toward the horizon, exploring the scientific potential of smart contact lenses capable of monitoring ocular pressure and tear chemistry to detect diseases like glaucoma or cancer, signaling a future where eyewear acts as a sophisticated, integrated health monitoring system.
Updated Jul 2, 2026
About This Episode
Could smart glasses with built-in video cameras become widely accepted?
Greg Foot, host of BBC Radio 4's 'Sliced Bread' brings you 'Dough', examining the rise of future wonder products.
Greg is joined by experts, entrepreneurs and industry innovators to discuss the trends we're seeing today and where they may lead us tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.
This time we’re looking at the future of eyewear - asking whether smart glasses with built-in video cameras might see past previous failures to become widely accepted?
And whether you might soon be wearing smart contact lenses that can not only display websites and messages, but also potentially monitor your eye health?
Greg is joined by the futurist Tracey Follows and guests including:
- Priya Morjaria, Assistant Professor in International Eye Health at the London School of Hygiene and Tropical Medicine and Head of Global Programme Development at Peek Vision
- Alex Himel, Vice President of Wearables at Meta which is selling smart glasses with embedded artificial intelligence, cameras, microphones and speakers.
- Professor Philip Morgan, Head of Optometry at the University of Manchester
Produced by Jon Douglas. Dough is a BBC Audio North Production for BBC Radio 4 and BBC Sounds
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