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A comment on What Are the Olympics Shooting Competitors Wearing on Their Faces?. Parent comment
For him it helps to block his non-dominant eye as he has a weak dominant eye.
Also, the pupil responses are linked, so you'd want both eyes to be exposed to similar brightness. So you don't want to close it or wear a patch.
[1]: https://www.youtube.com/watch?v=zfaK4Hz0Na8
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For him it helps to block his non-dominant eye as he has a weak dominant eye.
Also, the pupil responses are linked, so you'd want both eyes to be exposed to similar brightness. So you don't want to close it or wear a patch.
[1]: https://www.youtube.com/watch?v=zfaK4Hz0Na8