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It's Greek-Latin for "Elder Sighted"
My eyesight has always been good. I usually read the bottom line on eye charts, the ones much smaller than the 20/20 line. I've never needed glasses.

On Monday, I went to Ithaca Generator1 with the intent of soldering together a driver board for the CNC mill we're building2. After getting out all the parts, I sat down, got the iron hot, put the first part into the board, and got ready to solder.

I could not maintain focus on the solder pad I was trying to solder to. It remained blurry, and impossible to see. A magnifier helped, but juggling the solder, soldering iron, board, and magnifier was a bit too much, even with a third hand tool.

This isn't the first time I've noticed difficulty with close-up things. I have been making accommodations on my computer screen -- bigger fonts and such3. I haven't been reading that much in the way of paper books, either, sticking with stuff on the computer screen, or the Kindle App on my phone. I've also been more dependent on bright light to read small print than in the past.

I suspect Presbyopia, but I don't have a diagnosis yet.

I ought to head to an optometrist, and see if I need to get fitted for glasses.

Here's a question: Most people I know who wear glasses have basically done so all their adult lives. I have never worn glasses regularly, only the occasional sun-glasses, safety glasses, and the "wow, this is what your glasses look like?" try-ons. Has anyone reading this adopted the habit of wearing glasses as an adult?

1 The local Makerspace I'm a board member of</br>
2 A ShapeOko, modified (on Monday) to have a Dual Y stepper.
3 Although "bigger" is relative, it's still generally too small for my coworkers to be comfortable with, and I do have one terminal window at work that uses a 10px font on a 96dpi monitor.

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We ended up swapping tasks: I had bought the electronics and Abe had bought the mechanicals for the mod to the CNC machine. After I failed to be able to solder up the electronics, I worked on the mechanicals while he worked on the electronics. So delegation worked.

But I can't delegate book-reading.

Sounds like you need reading glasses. You probably don't need a prescription. Just pick up a pair that seems to work at the store and see how you get along. Then buy 10 pairs and leave them everywhere.

I should see am optometrist anyway, as I should be seeing one annually because of the diabetes anyway.

The last time I saw one (about the time of the diabetes diagnosis), he suggested +1.0/+1.25 reading glasses, but that prescription was so light it wasn't necessary. The differential is what gets me -- different lenses for each eye; you can't buy pairs at the store with different lenses like that.

A quarter diopter between the eyes is not much ... boughten glasses from the store will probably work okay for you.

Like you, I've recently discovered my presbyopia while soldering small boards (particularly those tiny surface mount bits). But I've been wearing glasses for myopia since I was eight or so. I'm used to taking the glasses off for reading and close work. More recently, I've gotten weaker prescriptions and trained my eyes down from the worst myopia.

Diabetes, though, is no joke and you should be monitoring it carefully. Blindness has gotta suck, man.

I started wearing corrective lenses for myopia at age 8 or so. I have worn contact lenses since about age 27. The last 2 or 3 years, I've had to start wearing glasses over my contacts to correct the age-related presbyopia. Craig has bifocals because he can't even stomach the idea of contacts, and he's near-sighted but can no longer focus up close, either.
If I'm not wearing my contacts, anything farther away than about four inches is out of focus (20/800 in my good eye), and I can read a book or e-book without too much difficulty - the only problem is that there is enough difference between my two eyes that what's in focus for the right is not in focus for the left, so I kind of have to read with one eye.
As you do have the diabetes issue to deal with, a yearly appointment is a must. Don't put it off. Magnifying lenses in a standard prescription aren't that expensive. A plain frame with two different lenses shouldn't be that bad. My prescription reading glasses were $20 at the optometrist. Now I just buy OTC readers since both eyes are the same (and I lose them or break them). I always buy the same shape lenses anyway, since they're mass-produced. It wouldn't be that difficult for you to buy two pairs in the proper prescriptions (for less than $20 total) and swap lenses to get what you need.

And it strikes me that presbyopia is like polyamory that way.

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