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Warning Signs of Sight Loss Could Be Identified Before Vision Deteriorates
A new study has shown that the signs of age related macular degeneration can set in earlier than previously though - even before patients begin to lose their sight. The findings open the door to research that could help slow down the onset of macular degeneration, the most common cause of sight loss in the western world.
A research team led by the University of Southampton with colleagues at King’s College London and Moorfields Eye Hospital looked at the records of over 30,000 patients who had retinal scans and genetic data stored in the UK Biobank.
There are 34 known genetic risk factors for age related macular degeneration (AMD) and the scientists were able to compare the retinal measurements of those with the risk factors to those without. The findings, published in the journal Scientific Reports, showed that the participants with healthy eyes and no history of AMD had thinner retinas if they carried the genes that put them at risk.
Andrew Lotery, Professor of Ophthalmology at the University of Southampton, who led the study, along with Prof Pirro Hysi at King’s College London and Praveen Patel at Moorfields Eye Hospital, said, “At the moment most treatments for AMD only start when patients already have severe problems with their eyesight so it is really important that we understand more about what causes it. These results help us understand the very early stages of the disease, before it is clinically apparent. If we can intervene at an earlier stage, we are more likely to be able to preserve sight.”
Whilst further trials will still be needed to identify treatment, being able to identify the signs of AMD earlier would allow individuals to make lifestyle changes that can put them at a higher risk of losing their vision earlier.
“Changing to a Mediterranean style diet, exercising more and stopping smoking can help prevent he progression of the disease,” Professor Lotery added. “These findings can also help us refine participants in future clinical trials so we can include patients who are most at risk."
The study “Macular thickness varies with age‑related macular degeneration genetic risk variants in the UK Biobank cohort” has been published in Scientific Reports with DOI https://doi.org/10.1038/s41598-021-02631-2
Source: “Study: Warning Signs of Sight Loss Could Be Identified before Vision Deteriorates.” Eyewire+, Bryn Mawr Communications, https://eyewire.news/news/study-warning-signs-of-sight-loss-could-be-identified-before-vision-deteriorates.
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floor plan generator makes a great point about how early detection is key, especially since the study found thinner retinas in people with genetic risk factors before any vision loss. It's fascinating that they identified these signs in over 30,000 patients from the UK Biobank. This research could really change how we approach age-related macular degeneration in the future.
GLBtoOBJ explains how retinal thinning can happen before sight loss is noticed. The fact that researchers linked this to the 34 known genetic risk factors is a promising step. I hope this leads to better early detection and treatments.
Reading PopEmote made me appreciate how early AMD signs can be spotted, like the thinner retinas found in those with genetic risks even before vision loss. It's intriguing that the study included over 30,000 patients to make these connections.
This is really promising research that could help people much sooner, especially when you consider how the study used ZEnhancer to connect retinal thinning with genetic risk factors even in healthy eyes. It's fascinating that such subtle changes can be detected before any vision loss actually begins. Hopefully this leads to earlier interventions down the line.
This is really interesting research, especially the part about retinal thinning happening before vision loss is even noticeable. It sounds like the imposter game generator could be a useful next step for anyone wanting to explore this area further based on these findings. Early identification seems so crucial here.