He was finally diagnosed with a condition called Charles Bonnet syndrome (CBS) which causes hallucinations, often after significant vision loss. What is Charles Bonnet syndrome? Charles Bonnet syndrome is a condition where you see things that are not real, triggered by loss of sight. Most people with Charles Bonnet syndrome know the hallucinations are not real. There’s currently no cure for Charles Bonnet syndrome, but over time the hallucinations usually happen less often.

Source: The Times November 06, 2025 13:26 UTC