Frequently Asked Questions/Measurement

How do I measure astigmatism diopters?

See astigmatism measurement.

See also: DIY TOOLS: How To Measure Your Astigmatism Diopters

You can learn the angle of your astigmatism here: INSTRUCTIONS FOR ASTIGMATISM SELF TEST AND ASTIGMATISM TECHNIQUES

What’s the right font size for measuring & Active Focus?

Jake says:

12 points.

There. Though that means nothing, since your screen resolution, screen brightness, and blur point interpretation will make for much more potential variance than a simple point size answer.

So what’s a better answer?

Printed page! A book (who still has those?!). Regular book, white page, black text, average font size (about 12 pt). That’s the best way to measure, and to initially work on active focus.

How should I measure my progress?

See Measurement.

Low myopia: how do I quantify my progress?

Jake says:

Low myopia, especially the gap between -1.5 diopters and no-glasses, is a big, big topic. Here’s an excellent summary of things to try, issues to avoid, and generally leveling your expectations: https://endmyopia.org/low-myopia-plus-lenses-doubts-about-progress/

High myopia: centimeter vs. Snellen measuring?

Jake says:

You should learn about all the measuring tools available, to fully understand your eyesight and myopia.

Then once you know how to do centimeter, and eye charts, how to leverage outdoor landmarks, the benefit of test lens kits, and tricks like plus lenses over contacts – then you’ll want to adapt these tools for your own myopia degree and needs.

If you have high myopia, you should read this full post, discussing measuring tools: https://endmyopia.org/pro-topic-centimeter-vs-snellen-measurement-for-high-myopia-cases/

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