Curing
Tunnel Vision Makes Diving Safer
and More Fun
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Traditional
flat dive masks trick your brain with a powerful optical illusion.
Underwater refraction makes you believe that your field-of-view is
much greater than it really is. Physiological feedback confirms that
your eyes scan far left, right, up, and down. But if you reach out your arms
to match your eyeballs' pointing angle... you cannot see your arms! Only
when your arms arc inward, closer to the axis where your nose points, can you
see your arms.
We do not Protect what we do not LOVE
We do not Love what we do not KNOW
We do not Know what we cannot SEE
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When you cannot see in,
the diver cannot see out
This diver could not see the photographer take
the picture because of "Total Internal Reflection" |
Looking through a Double-Dome mask does NOT feel special
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Natural panoramic vision is something
we have learned to expect from the day
we were born. So when divers experience
Double-Dome vision -- with no immediate
baseline comparison -- they are not
impressed.
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But when divers do an A-to-B comparison (Flat vs. Double-Dome) with their body in a fixed position, looking at fixed reference points, even divers with decades of experience are surprised to realize that over 75% of their natural view is blocked. |
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