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Some people can voluntarily control their eye focus, making their vision blurry or unfocused.

The ability to defocus your eyes on command is a natural one, but not everyone can do it. It's accomplished by having the ability to relax the ciliary muscles in your eyes, which causes them to lose their focusing powers https://www.healthline.com/health/eye-health/can-everyone-unfocus-their-eyes
31 sats \ 0 replies \ @Golu 4 Oct
I actually didn't get it completely. But overall good fact.
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It's a great fact. When people do this, do they focus and unfocus at the same time? A the best!
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Thanks 🙏🙏
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