Astigmatism. The correction that is exceedingly rare in actual necessity. Yes, you probably didn’t actually have astigmatism the first time they gave you glasses with correction for it. Surprised? Incredulous? Not sure what to think?
Browse this section for science about astigmatism, how-to guides, and a whole lot of students who successfully reversed their lens-induced astigmatism. Odds are you won’t need this complex focal plane correction for long!
Yulia: 3 Diopters Of Astigmatism – Eliminated!
You hear me talk about 'junk' diopters and about prescription complexity and about using only as much focal plane change as you actually need. Sorting all that out, a big initial part of your road to improving eyesight. Take a look at Yulia's experience, as she updates us in the forum. For reference Yulia came in with -2 diopters of cylinder (astigmatism) in the left eye, and -1D cylinder in the right eye. That's a total of three diopters of [...]
Astigmatism Caused By Ciliary Muscle
Above: Yes, sometimes it's the cornea. Other times, less so.Somehow we ended up talking about various potential causes of astigmatism in the forum. I briefly pointed to some studies looking at the connection between the ciliary muscle and astigmatism, even though I'm often less than entirely comfortable hypothesizing unnecessarily on this topic. Pointing out my approach yielded some interesting comments.Here's my original post/reply:I don’t have the drive with my favorite studies with me now, but if you look on Google [...]
Pro Topic: Astigmatism Correction Changes
What follows is neither medical advice (heh, as if), or "prescription" advice, or anything otherwise mainstream sanctioned or licensed. As usual, we're discussing actual biological realities of a 16th century (simply focal plane changing) invention.Don't monkey with lenses unless you understand them, don't drive without adequate correction, consult a friendly optometrist.So much gold in the forum, we have to bring some of it to the blog, at least sometimes. I highly recommend browsing (if you have access), you'll find brilliant students [...]
Astigmatism Correction Greatly Exaggerated: Why We Love Test Lens Kits
Test lens kits. Three little words that get Jakey all kinds of riled up!I always say that most of modern retail optometry has zero to do with medicine. Look at any optic shop in any mall, and tell me that you expect to get medical advice in there, while looking through their shop window. Rows of fancy glasses, models sitting on the beach, two-for-one offers, sales pitches everywhere.Come on, what a sham, the whole thing.16th century invention, not by doctors, [...]
Angela: -5.00 Dropped To -3.75 (at 20/15) In 4 Months
Angela posts a great progress update in the forum. (Starting 19/Dec/2015 lastest prescription from Optican: L: -4.75 R: -5.00 CYL: -0.25 -0.25) Angela is now down to just -3.75 at 20/15, and no more astigmatism!Soon we'll hopefully have the universal logging system give us nice charts for everybody's progress. In the meantime, give Angela a big thumbs up for making excellent progress:original threadNicely done! Trip status update: Planning to be back home Friday. Caught up on e-mail, the forum, and the blog, as well [...]
Pro Topic: How To Reduce Prescription Complexity
Super quick today, the roadmap of how you want to untangle your complicated lens prescription.Note: Don't go monkey around with lenses if you don't know exactly what you're doing. A friendly optometrist can be a great asset. Local laws, be aware of those, and this of course isn't medical advice (because, your eyes aren't sick or broken). A little background, first:You are starting out your vision improvement with what's a complicated mess of a prescription. There's going to be a diopter ratio [...]