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Originally Posted by Dazrin
I asked about bifocals a couple years ago and the eye doctor said I was too young to be considering them.  I thought it was about how we see, not what age we are. But I'm not the specialist.
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I wore bi-focals 30-40 years ago, when I was in my mid 30's.
I can't recall why, but I ceased wearing them after few years. Back then they were rather primitive, so it might have been the weight and/or appearance. I went back to a single 'general purpose' prescription.
Over the past decade or so I've needed two pairs of glasses, one for reading/computer and another for distance - basically indoor and outdoor.
I had to see my eye doctor earlier this year when I lost my reading glasses. We discussed bifocals, she told me how much they had improved since I last wore them. But then she asked: "Do you have any balance related issues". When I said, "Yes." She said, emphatically, "Well you can't have bifocals." Apparently the shifts of focus between different parts of the lens can exacerbate existing balance issues and lead to falls and stumbles.
My balance problems are a co-symptom of Peripheral Neuropathy for which there's no cure, and in my case for which there is no obvious cause

Diabetes and excessive booze are the most common causes, I've been checked for diabetes nine-ways to Sunday, and I stopped drinking alcohol 20+ years ago. Walking, gym sessions, 'healthy diet', podiatrist, and 'sensible' shoes help me manage it.
Aside : How come you guys know the precise characteristics of your glasses, I've never even had 'possession' of mine, and even if did I'd never be able to remember them. They might be on the "MyHealth" records that the gov't keeps, apparently I can look at those online, but I never have.
BR