Smart glasses hit mainstream, but adoption barriers remain real
Strong sales of Meta Ray-Ban smart glasses contrast with persistent adoption barriers including connectivity and cost challenges.
Event / Technology
London Marathon Visually Impaired Runners
Visually impaired runners including Tilly Dowler and Sha Khan participate in the London Marathon using AI-powered smart glasses technology from Meta, Ray-Ban, and Oakley to navigate the 26.2-mile route with guide support.
2 reported locations
Daily activity
0 articles0 articles
2026-08-18 to 2026-11-15 · UTC publication dates
Coverage begins 25 Apr, 03:36 UTC
Follow the documented timeline or explore the related reporting.
What happened
Over 59,000 runners expected to participate in London Marathon
More than 59,000 runners are expected to participate in the London Marathon, which follows a 26.2 mile route through the capital starting in Greenwich and finishing near Buckingham Palace.
Guide Dogs UK recommends AI glasses supplement rather than replace support systems
Guide Dogs UK, which provides guide dogs and mobility support for people with vision loss, advises that AI-powered smart glasses should be used alongside existing support systems rather than replacing them. The charity states that guide dogs, mobility training and human support remain essential, particularly in complex environments.
Tilly Dowler prepares to run London Marathon with AI smart glasses assistance
Tilly Dowler, who has Stargardt disease with approximately 10% useful vision, is preparing to run the London Marathon with her boyfriend as a guide. She uses AI-powered Oakley Meta Vanguard smart glasses that provide live cues about landmarks and distance while allowing her to listen to her guide runner and music simultaneously. Dowler began running one year ago through a couch to 5K program before progressing to marathon distance.
Visually impaired runners using AI-powered smart glasses at London Marathon
Visually impaired runners are using AI-powered smart glasses to participate in the London Marathon. These wearable devices, such as Oakley Meta Vanguard glasses, combine cameras, microphones and speakers with artificial intelligence to interpret surroundings and provide audio feedback to help runners navigate and track their progress.
Sha Khan uses AI smart glasses for daily navigation and running training
Sha Khan, who lost approximately 90% of his vision in 2021 due to retinitis pigmentosa and Stargardt disease, uses AI-powered Meta smart glasses as an integral part of his daily life and running training. He began running in 2022 after encouragement from a Guide Dogs UK volunteer and uses voice commands to interact with the glasses, which provide real-time information without requiring him to handle a phone or lose focus on working with his guide dog, Moby.
More than 7 million Meta Ray-Ban smart glasses sold last year
Tech company Meta, which manufactures smart glasses in partnership with Ray-Ban and Oakley, sold more than 7 million pairs of Meta Ray-Bans last year, indicating growing popularity of the devices. However, the glasses have raised privacy concerns including potential unauthorized filming and reports that Meta was sending video footage to human reviewers for AI training purposes.
AI smart glasses present connectivity challenges during large events
Technology analyst Chris Lewis identified that AI smart glasses can face reliability challenges during large events like marathons, where large crowds put pressure on mobile networks and potentially weaken signal strength, which can affect how reliably the glasses deliver real-time information to users.
Reliability and cost barriers to widespread AI smart glasses adoption
Technology analyst Ben Hatton from CCS Insight identified that reliability represents a key challenge for widespread adoption of AI smart glasses for visually impaired individuals. He stated that the technology must be perfectly reliable every single time to be used for activities like walking or crossing busy roads, and that factors such as accuracy, connectivity and cost will determine how widely the technology can be adopted.
Read the coverage
2 alternative perspectives
AI-Powered Smart Glasses Guide Visually Impaired Runners at London Marathon
Visually impaired marathon runners deploy AI smart glasses as navigational aids at London Marathon.