Main Page / Login Option Forums General Myopia & Astigmatism Discussion Which type(s) of blur do I have? Figuring it out


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    Andrea Bell
    Post count: 21

    The last time I began this program, around 6 years ago, my blur horizon was nicely and crisply defined.

    But currently, I’m noticing that it’s a lot trickier to really truly have a sharp image of anything. So my blur horizon is still discernible, it’s not horrible. But it’s definitely not as crisp as it had been. I’d call it more like a good approximation.

    For context, I’m one month into this program, 53 years old, -7.5L/-7.25R full prescription, 0.75 cylinder each eye.

    Current normalized -6.75 diopter each eye, brings me to near 20/20 at 3m Snellen on my shaded porch.
    Current differential is -5.75 each eye, no cylinder correction.

    Optometrist says I have presbyopia, though it’s not really noticeable. I measured blur horizon for presbyopia yesterday at 11CM: 10.5 cm and closer, gets blurry. (My current myopia blur horizon is right around 17cm.) I’m starting to work on (practice) clearing up the near blur horizon as explained in the presbyopia video. Using printed text close up in good light, no lenses. Move it a tiny bit closer, see if it clears.

    Also, I unfortunately weakened my left eye about 5 years ago with a terrible habit of looking at the phone with one eye in the dark with no lenses when I was stressed/couldn’t sleep. Now I have a blur spot in my left eye (that seems to be starting to clear up with this program) and the eye overall, which used to be stronger, now is 0.25 diopter weaker.

    So what kinds of blur might I have and how do I clear it up?
    I don’t think I have double vision blur, but maybe? Is it presbyopia blur? Is there another kind of blur I’m missing?

    Thank you!

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    • Jake S.
      Post count: 8752

      Well … I don’t know. 🙂 You might look up some images on Google images if you’re not sure what double vision looks like. It’d be much harder for me to explain than if you just look at some examples and see what matches your experience.

      Also the question what happens with single eye vs. both eyes looking together.

    • Andrea Bell
      Post count: 21

      You know, I find that if I have one of those books with really nice paper, nice font, etc. I have a lot less of what I’ll call “background blur” (in close up no lens cm measuring). Things are pretty close to crisp like I’d had before.

      I discovered that yesterday.

      Whereas the thing I’m using to measure my cm is……well, it’s okay. It’s actually a page print of one of the early lessons here. But that printed page is fundamentally just a bit more blurry (to me) than a really nice book. (Which is why I’d written earlier that my cm measurements are a good approximation of the clearest point.)

      This is good information for me to have.

      So I used that super nice printed book, for presbyopia work, to pull focus (pulling my blur horizon closer to me).
      I’m really proud of my eyes. They seem to be pretty good at clearing up presbyopia blur. I guess maybe cause it’s a more recent development and isn’t very advanced/serious.

      In the distance active focus realm, I’m starting to get it. I am definitely noticing moments of clearing up, though they’re not yet reliable. I worked on that yesterday too and immediately afterwards I measured my all time happy centimeter: 18.5-19.

      Yay progress!

      I think I’m doing pretty good for being at it just under a month!

    • Jake S.
      Post count: 8752

      That’s awesome!

      If you use screens much, you might also want to compare different types of screens, sizes, make sure the backlight brightness “feels” subjectively matching ambient lighting, and ideally have as much natural ambient light as possible.

      And keep up being aware of what makes your eyes happy, possibly even a bit of a journal.

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