How Technology Used in Space Can Help People with Vision Loss on Earth Is Topic of New Episode of Lighthouse Guild Podcast  “On Tech & Vision with Dr. Cal Roberts”

New York, November 19, 2020 – The latest episode of Lighthouse Guild’s podcast, “On Tech & Vision with Dr. Cal Roberts,” explores how technology used in instruments that extend human vision to space is being relied on by vision technology developers in devices that help people with vision loss perform everyday tasks here on earth. 

Augmenting senses has allowed scientists across many fields to continue their work without the use of sight. The eSight, designed to help people with low vision, is a device that stimulates the remaining functioning vision to improve the quality of life for users. In this episode, Extending Human Vision, the host, Calvin W. Roberts, MD, President & CEO of Lighthouse Guild, speaks with Charles Lim, Chief Technology Officer at eSight, about the development of the device, the principles behind how it works, and the motivation for future improvements.  

On Tech & Vision with Dr. Cal Roberts,” exploring big ideas on how technology is helping people with vision loss, is available online at and for downloading on Apple Music, Spotify, Google Podcasts and Twitter: @LighthouseGld #OnTechVision. The podcast has hit over 1000 downloads in its first season.

Topics of other episodes include:
Seeing with Your Ears – Translating the Audio World to Visual – how using audio can connect people with vision loss to the world around them. 
A Tech Revolution in Your Hand – how using touch and sound together can create spatial awareness through the use of smart canes. 
A “Remapped Reality” – Using Virtual Reality to Remap the Visual Field – how virtual reality (VR) is used to remap sight for people with vision loss. 
The Development of Artificial Vision – Cutting edge advancements in ocular bionic prosthetics.

About Lighthouse Guild
Lighthouse Guild is the leading organization dedicated to providing exceptional services that inspire people who are visually impaired to attain their goals. We provide coordinated care for eye health, vision rehabilitation and behavioral health as well as related services. For more information, visit