Baffling Vision Loss? The Alzheimer’s Link Your Doc WON’T Tell You
Remember when auto manufacturers secretly hid car defects for YEARS before safety recalls brought the problems to national attention?
Well, we’ve got a similar situation on our hands…
And it involves a little-known vision condition.
It hides in plain sight—often for years—before revealing itself as an early sign of Alzheimer’s.
While most folks link Alzheimer’s with memory loss, about 1 in 10 cases start with unexplained progressive vision changes in a condition called posterior cortical atrophy (PCA).
The most common symptoms are problems judging distances, distinguishing stationary from moving objects, processing locations, reading, writing…things we typically associate with the eyes themselves.
But the root cause is actually Alzheimer’s damage in the brain’s visual processing centers.
Which is why most PCA folks PASS normal eye exams! And that’s even as their problems worsen over time.
And it’s all because the brain’s visual processing centers are where PCA does its dirty work—not your eyes themselves.
So it’s not until more classic Alzheimer’s dementia symptoms appear that the PCA-Alzheimer’s connection often finally comes to light – years after emerging vision dysfunction. Which is why many have mild or moderate dementia by the time they see a doc for help. We’re talking 3.8 years after symptoms started.
Here’s what scientists discovered in a huge new PCA study:
- 61% couldn’t copy basic drawings
- 49% had location challenges
- 48% saw only one object at a time
- 47% lost their math skills
- 43% noted reading troubles
So what does this have to do with Alzheimer’s? A boatload, it turns out!
NINETY FOUR PERCENT of PCA patients had Alzheimer’s under the hood.
Compare that to around 70% of general memory loss cases pointing towards Alzheimer’s. I’ll do the math for ya—PCA is like an early warning siren screaming “ALZHEIMER’S DEAD AHEAD!”
Remember, we MUST get the word out so we can flag this thing early! Now, on average PCA hit around 59 years old in the study. And 60% were women (they seem to catch more of these vision issues so, ladies especially, keep your eyes peeled).
Catching PCA in time is critical for starting Alzheimer’s therapies that could pump the brakes.
Recognizing PCA is crucial for early Alzheimer’s detection—when there may still be a window for therapies to slow its progression.
If you notice progressive vision issues, seeing double, challenges driving, reading or writing—talk to your doctor right away about an evaluation for PCA. Catching subtle symptoms early gives you your best fighting chance.
In Your Corner,
Allan Spreen
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