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  • #79404
    Candace
    Participant
    Post count: 11

    Hello! Just wanted to introduce myself. I found EM back in mid 2018 and my original prescription was,

    SPH CYL AXIS
    OD -7.25 -1.25 7
    OS -9 -0.5 157

    but I made lots of mistakes, didn’t fully understand what I was doing, became blur adapted especially during the pandemic, reduced too quickly, didn’t pay attention and now my current normalized from my optometrist in March 2022 is,

    Rx SPH CYL AXIS
    OD -6.25 -0.5 15
    OS -7.25

    My differentials I’ve been wearing since April 2021 are,

    SPH CYL
    OD -4.5 0
    OS -5.5

    I’ve been measuring CM several times a month and the highest CMs are,

    OD 19.5 (average is 18.5)
    OS 18 (average 16.5)

    I’ve been lost on the journey this year and I’m not making any progress.

    I’m not confident that I’m wearing the right normalized because indoors (LUX 260) the entire 20ft Snellan chart can be blurred for me so I look forward to the support and learning more. My goals is 20/20 by 2030 and I hope by the end of 60 days my current Rx will be sharper.

Viewing 14 reply threads
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    • Jake S.
      Keymaster
      Post count: 8756

      It’s ok to be lost a bit! You have differentials, good start.

      What do you have for regular distance vision habits / hobbies? Are you keeping good distance, checking for ciliary spasm after close-up?

      Troubleshooting ideas: https://www.youtube.com/playlist?list=PLgB_5pbB86Gh383GV6wdQrbQ8vTiOAj7W

      • Candace
        Participant
        Post count: 11

        These are my current habits,

        1. wake up first 15 to 20 min no normalized
        2. a 1-5 minute distance break every 12-15 min on computer screen; usually 8 hours total computer screen a day
        3. spending 1 to 2 hours outside walking
        4. reduced my total phone screen time to under 1.5 hrs Mon-Fri and mostly under 45 min on weekends
        5. AF subtitles at night

        I have been looking for consistent hobbies to be outside but so far it’s gym treadmill and I just avoid looking at the screen while I’m indoors at night. Was thinking of taking longer drives and stopping at lights to AF signs. But will continue experimenting.

        I do have a Snellan up and check it occassionally through the day.

    • Jake S.
      Keymaster
      Post count: 8756

      Nice habits! If you can get an hour break from the 8 hour screen time … maybe unrealistic but would possible be very good.

      Yes, the hobby finding is a whole hobby onto itself. I used to browse all over the place trying to find the random things people get into. 🙂

      That one really can make a huge difference though.

    • Candace
      Participant
      Post count: 11

      ***CM over 4 days (Th F Sat Sun); 3 to 4 measurements/day,

      OS 15.5 to 17; average 16.5
      OD 16.5 to 18; average 17.5

      Both eyes 16.5 to 18; average 17.0

      ***Average CM from EM calculator translates to,

      OS -6.0
      OD -5.75

      ***Current Normalized,

      OS -7.25
      OD -6.25; -0.5 CYL

      ***Current Differential,

      OS -5.5
      OD -4.5

      ***20 ft Snellan

      I can read most letters of 20/30 or 20/40 indoors depends on lighting and time of day but it’s not sharp. At peak brightness indoors I can make out the shapes of the letters at 20/20 but it’s not crystal super clear or sharp.

      How come even with extra diopter correction in my normalized compared to my CM the entire 20ft Snellan still isn’t sharp? Even the top lines they aren’t crisp.

      I’m totally confused as how come the numbers don’t add up. Maybe I’m missing something but I know I have no ciliary spasm. I spent most Sat/Sun away from any close up work and outside. Humidity level here is 25% as I’m in the desert not using eye drops. Dry eyes?

    • Jake S.
      Keymaster
      Post count: 8756

      At higher diopter the centimeter measurement is difficult to do accurately, also often we tend to be optimistic with where blur really starts.

      Doing centimeter with differential then adding the diopter equivalent centimeter to the result can sometimes help.

      It often can make sense to start over with the course sessions. It’s very easy to overlook things the first time around, and less than ideal habits can get settled and overlooked. Looking at it all from the beginning and revisiting steps, can be useful.

      That and looking at mixing up habits, as a second step. Pick one thing that you always do as regular daily habit, change it. Wait a few weeks, see if it changes any part of how you see. Example if you take a walk late morning usually, switch it to the afternoon. Move breaks around. Change lens use. Only change one thing at a time, doesn’t have to be major at all. It’s easy to underestimate the effects of habits, best way to tell is to make some changes.

      Other things:

      1) My troubleshooting playlist https://www.youtube.com/playlist?list=PLgB_5pbB86Gh383GV6wdQrbQ8vTiOAj7W

      2) Tear fluid can be measured. It’s a slightly uncomfortable process for a few minutes but certainly doable.

      3) Big picture: Apart from above gradually shifting around habits, introducing a third focal plane can also be useful. That’s very much an experiment. Could be for example previous normalized for night time / movies, or a lower differential, or even a higher one with screen at further distance. If 6+ months have passed since any measured vision change, usually means the biology is not considering anything you do as a stimulus incentive to change.

    • Candace
      Participant
      Post count: 11

      I walk several times a day including at night but it’s not a scheduled eye break just when I need it so not sure how to switch that up if it’s pretty random. I took an indoor archery class on Saturday and plan on making that a 1-2X/week hobby eventhough the lighting indoors is pretty terrible to add additional distance focus.

      My current normalized is from March 2022 and I only bumped up my SPH by 0.25 in my R eye but kept everything else the same and my vision hasn’t gotten better. I don’t have an old pair of normalized on hand because I didn’t change prescriptions in a methodical manner so it’s random in an attempt to get back on track.

      For a 3rd focal plane which do you recommend,

      1. New normalized – adding 0.25 diopters to my current normalized to wear at night
      2. New differential – adding 0.25 diopters to my current differential and increase screen distance. So would this be my default differential to use then?

      I am going through the entire course and it’s great to review the concepts and get a better understanding to start fresh.

    • Jake S.
      Keymaster
      Post count: 8756

      Honestly that sounds quite ideal, for habits.

      What about contact lenses? Any experience with that option? For distance active focus the added peripheral vision can be quite useful.

      3rd focal plane, entirely up to you. The only point is to change the focal plane slightly to add new stimulus opportunity, get a bit of distance / habit change opportunity, see what happens. Can be higher or lower, normalized or differential. If you feel already close to blur go up, if you think nice sunny conditions could warrant a decrease, go down. Always zero diopter reset first, consider it an active experiment.

    • Candace
      Participant
      Post count: 11

      I quit contacts when I started EM. I have dry eyes but I do have boxes of them lying around that were based on my normalized in March 2022 that vary 0.50 from my normalized prescription. I’ll whip them out when I go hiking.

      And I just bought a pair of normalized for my 3rd focal plane with an increase of 0.25 diopter for both eyes for nighttime use and nighttime driving. They should arrive
      end of this week.

      What’s the best way to use these? When it’s dark out I switch them out even for indoor use or primarily just outdoors and driving? I’ll be taking periodic measurements throughout to end of Dec to see what happens.

    • Jake S.
      Keymaster
      Post count: 8756

      Yes use the 3rd focal plane in specifically challenging conditions – after the regular normalized. 🙂

      With contacts, try to practice peripheral vision awareness as much as comfortably possible.

    • Candace
      Participant
      Post count: 11

      I’m reading the Peripheral Awareness module. My current Normalized glasses are,

      OS -7.25
      OD -6.25; -0.5 CYL

      and the contact lenses conversion chart suggested the equivalent below,

      OS -6.75
      OD -5.75

      but due to my high Rx my contact lenses brands only offer 0.5 diopter increments and no astigmatism correction because it’s already so low. So something like the Rx below is available,

      OS -6.5
      OD -5.5

      1. Can I still make improvements if I wear 0.75 diopters undercorrected contact lenses or should I bump them to be 0.25 undercorrected instead? I want to use them for long outdoor walks/hikes and when I do archery class indoors.

      2. And I am wearing an extra 0.25 diopters normalized for night/low lighting conditions. If I wear contacts too will this
      be excessive focal plane changes? How should I manage this to make improvements? It’ll be a total of 4 plane changes a day – differential, normalized, night normalized, and contacts.

    • Candace
      Participant
      Post count: 11

      [quote quote=79475]

      1. Can I still make improvements if I wear 0.75 diopters undercorrected contact lenses or should I bump them to be 0.25 undercorrected instead? I want to use them for long outdoor walks/hikes and when I do archery class indoors.

      [/quote]

      Please ignore Question #1 because it depends on my clarity and blur challenge. But Question #2 I’m definitely concerned about because it can confuse my brain and thus no improvements. Thanks!

    • Jake S.
      Keymaster
      Post count: 8756

      It depends on how your vision is with them. You don’t want to be overstrained or looking at blur, but rather get nice clarity with a blur horizon.

      It’s always a guess with changing to contact lenses, they vary even by manufacturer. Ideally get a trial pack for both.

      • Candace
        Participant
        Post count: 11

        I am wearing an extra 0.25 diopters normalized for night/low lighting conditions as per your recommendation to get my biology to start responding again.

        If I wear contacts too will this be excessive focal plane changes? How should I manage this to make improvements? It’ll be a total of 4 plane changes a day – differential, normalized, night normalized, and contacts.

    • Jake S.
      Keymaster
      Post count: 8756

      Ideally wear contacts in the specific circumstances that you get the most out of them.

      If each focal plane is tied to a specific activity or environment, appears to be easier for visual cortex to reconcile (over mixing different focal planes for same situations).

    • Candace
      Participant
      Post count: 11

      1. With AF if I can clear it up for a fraction of sec is that enough stimulus to count? I AF street signs when I drive at a stop light and sometimes I blink but cannot hold the clarity for more than a fraction of second because the light changed. And there are times when I notice a change in clarity but it’s not 100% sharp.

      2. As a high myope I sometimes notice that instead of a change in clarity when I AF on a computer screen with black letters the letters become darker black. This happens more often at night when I’m tired. Does this still count as AF?

      Thank you!

    • Jake S.
      Keymaster
      Post count: 8756

      1. A fraction of a second sounds quite short – less than a single second. That’s shorter than snapping your fingers. Sure about that being the amount of time?

      2. Not really. Also if possible less of that kind of scenario. Night + tired eyes + screen, going to be fair bit of eye strain.

      • Candace
        Participant
        Post count: 11

        RE: “A fraction of a second sounds quite short – less than a single second. That’s shorter than snapping your fingers. Sure about that being the amount of time?”

        Okay then maybe it’s a 1-2 sec when I’m stopping in the car at the traffic light sometimes I can only hold AF for a second. Will 1-2 sec clarity still count for AF?

        And for push focus in the Mixing It Up – Close-Up Activities module how long should we be holding AF for when looking at the screen. Is longer more beneficial? I am playing around with the distance and I have a high resolution 28″ monitor but I struggle with distinguishing whether I have cleared up the letters. I can clearly tell if there is more blur but not if I cleared it up.

        I do much better with AF on paper but with my differentials I have to hold it far away to get blur. Maybe I’ll set up a sheet of paper behind my monitor set up and AF the paper instead of the monitor.

    • Jake S.
      Keymaster
      Post count: 8756