Myopia is a symptom of close-up strain. High myopia is close-up strain + wearing a full minus prescription while focused up-close.
Not wearing any glasses, living in blur = Visual cortex signal error = Strain
Strain = Increased risk of more myopia.
While the idea of not wearing glasses is fundamentally a good instinct, we have to consider the severity of the myopia, and the focal distance in question. If you are -3D and don’t wear glasses just for close-up, that is an excellent idea. If you are a -6D, not wearing glasses at close-up might have you end up with neck and shoulder pain (unnecessarily), being so close to the screen.
Likewise, being a -3D not wearing glasses for distance vision, accomplishes nothing. Now everything is always blurred, it is frustrating both to you consciously, and your visual processing system. If you are a -6D and never wear glasses, rather than fighting myopia, you probably end up falling into an open manhole cover one day.
What we want, instead, is prescription(s) that cover just the visual range we need, for close-up, and for distance. This means two prescriptions (for a lot of us), both of which allow us to see clearly for their applicable distance, but include a blur horizon (at the maximum useful distance, we start to get some blur).
Bates Method is a bit of a silly proposition on several levels. First, exercise is much less effective than lifestyle and habit changes (as I advocate in the #endmyopia Method). Second, the premise of living with blur, accomplishes nothing.
Here is a recent forum question, which covers this subject quite appropriately:
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