Peripheral visual-field loss changes more than what we see; it can also change how the body uses sensory information to stay balanced. This episode explores what recent research on sensory reweighting might mean for rehabilitation, and asks whether future research should examine training the sensory and motor systems that remain.

Steroids can be an important part of treatment after glaucoma surgery, yet in some people they can also raise intraocular pressure. This episode explores that apparent contradiction, why steroid-related pressure rises may go unnoticed, and why the more useful question is who needs monitoring while taking them.

A new systematic review finds very high satisfaction with tele-ophthalmology, yet fewer patients say they would choose to use it again. This episode looks at what that gap might reveal about communication, confidence and the role of virtual clinics in an NHS eye-care system under pressure.

Can AI make outdoor navigation easier without replacing the skills people already rely on? This episode explores a new smartphone-based mobility system tested with blind and visually impaired participants, and asks what useful assistive technology looks like when blindness and low vision exist on a continuum.

Why can two people with similar glaucoma experience it so differently? This episode explores research on psychological distress, self-efficacy and social support, and asks why understanding the burden of glaucoma requires looking beyond the clinical record.

Making information touchable does not automatically make it understandable. This episode explores how thoughtful tactile design can remove unnecessary friction without taking away the purpose of the task.

Vision is not simply something we have or do not have. This episode explores how lighting, contrast, visual field, fatigue and context shape what a person with vision impairment can actually see and do.

The Optical Delusion looks beyond headlines about glaucoma, vision impairment and accessibility, to ask what they mean in everyday life. Each short episode brings evidence together with thoughtful questioning and lived experience.