Eye exams could help detect Alzheimer’s disease
- New research examined the brains and eyes of people with early Alzheimer's
- Specific cells were found in the retinas of patients with cognitive decline
- The presence of these cells could lead to an earlier diagnosis
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(NewsNation) — A new study shows eye exams could help diagnose Alzheimer’s disease earlier.
The new study, from researchers at Cedars-Sinai Medicine, examined the brains and eyes of deceased patients who had early Alzheimer’s or mild cognitive impairment.
Researchers found cells called micoglia in the retinas of patients with mild brain impairment. That included people who showed no cognitive decline or only very mild symptoms. That indicates those cells could be a key marker in diagnosing Alzheimer’s disease early.
“When a protein is misfolded. It doesn’t function normally. What happens in Alzheimer’s disease is you get these plaques that stop a neural, the nervous system from functioning normally the brain from functioning normally,” Dr. Dave Montgomery explained.
The hope is that eventually patients will be able to get retinal scans that can help detect potential cognitive decline early.
“If we can get to it early, then we can treat it early,” Montgomery said.
An earlier diagnosis can help patients get treatment quicker and make them eligible for a wider variety of clinical trials.
