A new study published in Nature reveals that AI systems can now detect early signs of Parkinson’s disease up to seven years before clinical diagnosis by analyzing subtle patterns in retinal scans. The research, conducted by a team at University College London and Moorfields Eye Hospital, used machine learning algorithms to examine over 100,000 anonymized eye scans from the UK Biobank. The AI identified minute changes in the retinal layers that correlate with the degeneration of brain cells, offering a non-invasive and potentially low-cost screening method. While promising, the researchers emphasize that further validation through clinical trials is necessary before this technology can be deployed in healthcare settings. This approach could significantly accelerate diagnosis and enable earlier intervention for neurodegenerative conditions. Read the full article at https://example.com/full-article.