this post was submitted on 23 Dec 2024
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me_irl

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[–] [email protected] 18 points 10 hours ago

If it isn't obvious, you're done. The weaker of the 2 lenses is right for you.

[–] [email protected] 44 points 12 hours ago (1 children)

If you don't see a difference, you are already very close to the optimal correction and a subtle change in either direction is unnecessary. They will still go ahead and try fine-tuning the prescription and when you tell them that A and B are the same, they can fall back when they add another correction. A and B might currently be the same, but if you add C, A+C could be better than B+C.

[–] [email protected] 34 points 12 hours ago (1 children)

The joke is that it's missing one switch so 2 becomes 1 and 1 becomes 2

[–] [email protected] 11 points 9 hours ago

I feel like most replies have missed this fact.

[–] [email protected] 55 points 13 hours ago (3 children)

“Same” is a valid response. I’ve never had an optometrist challenge it.

[–] [email protected] 15 points 10 hours ago (1 children)

When my wife was working she'd ask, "Which is better or are they the same?"

[–] [email protected] 2 points 10 hours ago* (last edited 10 hours ago)

Mine even asks if its best without additional lens.

[–] [email protected] 8 points 10 hours ago (1 children)

"Welp, you are legally blind, get out"

[–] [email protected] 4 points 10 hours ago* (last edited 10 hours ago)

Mine even asks ".. or without?"

Somehow answered to the wrong comment...

[–] [email protected] 4 points 9 hours ago* (last edited 9 hours ago)

You: Same

Optometrist: boop wrong - get out of here!

[–] [email protected] 1 points 6 hours ago (1 children)

My guy doesn't do this except for a quick sanity check. Or maybe because patients expect it? They have your prescription the second you look in the auto focusing machine. Hell, someone invented a lens for a cell phone that does it.

The optometrist is looking at your eyeball health and related medical issues. The clicky thing is mostly performative.

[–] [email protected] 1 points 21 minutes ago

In my case, the autofocus machine is taken as first result, but astigmatism and axis rotation are still relevant.

So not true. They can test more with the lenses

[–] [email protected] 25 points 14 hours ago* (last edited 14 hours ago) (4 children)

You know, it makes me wonder how that works. Because most of the time, they get the prescription right, even though, for the most part, we only guess which one feels right to us, even though, to us, one and two look practically the same.

[–] [email protected] 37 points 14 hours ago (2 children)

If one and two look the same to you, does it matter which one is prescribed? Can you even say that the prescription is correct?

[–] [email protected] 9 points 10 hours ago (1 children)

If they look the same, you are prescribed the weaker of the two, to avoid overcorrection, which can worsen your eyesight over time.

[–] [email protected] 2 points 9 hours ago

I haven't done a test since I was a child because I generally do fine, but I wonder if some people need additional instruction about what to look for. Like the two "look the same" because they don't know what to look for. Maybe just a "Is the apostrophe a line or a dot? Okay, how about now?"

[–] [email protected] 40 points 13 hours ago (1 children)

nervously sweating intensifies

[–] [email protected] 1 points 10 hours ago* (last edited 2 hours ago)

One, or two, which is better? They're just questions, odd, designed to determine the optimal prescription. Shall we continue? Describe in single words, only the good things that come to mind about your eyesight.

[–] [email protected] 15 points 13 hours ago (1 children)

They get it right when you don't know how... isn't it the same with nearly all professions?

[–] [email protected] 1 points 10 hours ago

Imagine your lawyer asking "which defense is better? A or B?"

[–] [email protected] 9 points 13 hours ago (1 children)

I think part of the image processing is done subconsciously and so we can pick up the minute differences in image quality by feel, even when we can't say what exactly is different.

[–] [email protected] 4 points 13 hours ago

That makes sense. Our subconscious is better at picking up the small details than our conscious mind, because it takes more effort for us to think about it. That's why they say "go with your gut" because our brains calculate things subconsciously. It's why we can do things without thinking about it.

[–] [email protected] 8 points 13 hours ago (2 children)

My guess is that if one and two look the same, both are equally close to ideal and thus it doesn't matter which one you pick.

[–] [email protected] 3 points 13 hours ago (1 children)

You're probably right. But I bet the doctor knows the difference. I guess we'll never know.

[–] [email protected] 5 points 13 hours ago

They might not, but they are making sure that you do or don’t. If you can see the minute change, then you would appreciate the specificity.

[–] [email protected] 7 points 12 hours ago

Where I'm from, optometrists always ask "one, two, or are both the same?" I've never had any issue with that.