Early Detection Key to Managing Symptoms Effectively
Identifying symptoms at an early stage is crucial for better prognosis, as it allows treatments to target and manage symptoms effectively.
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Recent scientific findings highlight that experiencing blurry vision and seeing spots might signal a higher risk of developing early-onset dementia. Researchers in New Zealand have identified a correlation between unusually thin retinal tissue at the back of the eye and the likelihood of being diagnosed with dementia during the 40s, 50s, or 60s.
This condition, known as retinal thinning, manifests through various visual distortions such as spots, lines, flashing lights, and altered color perception. The study further linked signs of constricted arteries and dilated veins in the eyes to an elevated risk of dementia.
Eye examinations could play a pivotal role in recognizing those at an increased risk of dementia, according to the research conducted by the University of Otago using data from the Dunedin Longitudinal Study. Dr. Ashleigh Barrett-Young, who co-led the study, explained that these symptoms might indicate inadequate blood flow to the eyes and brain, a potential contributor to dementia. Such conditions could also point to poor overall circulation, which is a known risk factor for dementia, heart attacks, and strokes.
The researchers focused on two types of blood vessels located at the back of the eye. “One is arterioles – think of them as mini-arteries,” Barrett-Young shared on RNZ’s Saturday Morning program. These vessels tend to narrow when not functioning correctly, limiting blood flow. The other type, venules, are akin to “mini veins” that expand due to inflammation.
This combination of changes suggests an inefficient blood vessel system, which could be indicative of early stages of Alzheimer’s disease and other dementias that may start decades before cognitive decline becomes apparent.
“Currently, Alzheimer’s disease and dementia are usually diagnosed based on cognitive tests,” Barrett-Young noted. This makes early diagnosis challenging, where interventions could be most effective. The research team believes that artificial intelligence could significantly advance the use of retinal imaging as a biomarker for assessing dementia risk.
“With AI, we could detect minute changes in the eye that might not be evident through standard optometry or ophthalmology exams,” Barrett-Young added. “In the future, AI might be able to predict your risk of developing Alzheimer’s, potentially years before the disease manifests.”
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Naomi is a clean beauty expert passionate about science-driven skincare and natural remedies. She demystifies ingredients and shares routines that empower readers to glow — naturally.