Also, it was covered by NYTimes, which talks about the research as well https://www.nytimes.com/2017/03/27/upshot/training-your-brai...
Oh wait... https://www.crunchbase.com/person/uri-polat
I thought that hearing loss was experienced like someone turned down a volume knob. That's not how it works. People experience hearing loss only on certain frequencies. If someone is experiencing hearing loss at high frequencies, they might have trouble hearing only certain sounds like "s" sounds when someone speaks. This leads them to believe that everyone is just mumbling. Because they sound loud, they're just not clear.
Also, I'm not certain that looking at Gabor patches can translate to fixing myopia.
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I get enough headaches without adding to them by intentionally not using purpose-made tools.
The "trick" as I see it is to become comfortable enough with the appearance of blurry text, and be relaxed enough so your eyes aren't constantly trying to focus, and straining the muscles. Once your eyes relax, it's amazing how well a person who's already a proficient reader can get enough information out of blurry text to read at normal speeds. In fact after a while, my brain kicks in and I'd swear that the text is sharp, even though if I pay too much attention it will appear blurry again as I realize my mind is playing tricks on me.
https://www.crunchbase.com/person/uri-polat
Apply grains of salt liberally.