Training the Brain: Sensory Substitution

Today’s big idea centers on the place where big ideas get born — the human brain. In today’s episode, Dr. Roberts and his guests explore theories of brain plasticity, sensory substitution, and sensory augmentation.

How to Prevent Vision Loss from Glaucoma

Glaucoma is one of the leading causes of blindness worldwide, affecting over 3 million people in the United States alone. It is often called the silent thief of sight because

Technology Available for People With Vision Loss

Posted by Calvin Roberts, MD, Lighthouse Guild for AbleNews Technology has transformed so many aspects of our world and for people with visual impairment technological innovations can be the key

Improving Visual Impairment with Technology

On Tech & Vision Podcast with Dr. Cal Roberts This episode’s big idea is about using augmented reality, machine learning, and soon fifth generation (5G) connectivity to improve vision. The Eyedaptic

Vision for Life: A Virtual Forum Dealing with Vision Impairment During COVID-19

A virtual forum on the impact of COVID-19 on the lives of people living with vision impairment and blindness, and ways in which Lighthouse Guild and the field, in general, has responded.

Extending Human Vision

Today’s big idea is how the 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 in everyday tasks here on Earth. Using substitute senses has allowed scientists across many fields to continue their work without the use of sight. The eSight is one such device that stimulates the remaining functioning vision to improve the quality of life for users. Dr. Roberts speaks with Charles Lim about the development of the device, the principles behind how it works, and the motivation for future improvements.

Diabetes and Vision Loss November Is Diabetes Awareness Month

For millions of people in the United States who have diabetes or pre-diabetes, improving health and avoiding diabetes-related complications are essential. The good news is that there are new medications

Lunch & Learn with Angel Pacheco, Vision Rehabilitation

Angel Pacheco, from our Vision Rehabilitation Department, walks us through applications that greatly improve the independence of people with vision impairment. Lunch & Learn “Lunch and Learn” sessions keep Lighthouse

The Development of Artificial Vision

Today’s big idea is all about the cutting edge advancements in ocular bionic prosthetics. The Argus II is a device that uses a camera and a chip to stimulate the retina and send signals to the brain. Our guest, Dr. Mark Humayun, developer of Argus II, speaks with Dr. Roberts about the development of this device.

A “Remapped Reality” – Using Virtual Reality to Remap the Visual

Today’s big idea is the power of virtual reality — how people are using VR to remap sight and help people with . Dr. Roberts visits with Grace and Dr. Frank Werblin about how emerging technologies help people with low vision access the areas of vision they still have, by using a virtual reality system. They also talk about how sight works biologically, and how one such device, IrisVision, works to connect people socially.