h a l f b a k e r yThese statements have not been evaluated by the Food and Drug Administration.
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When I get little sleep, my eyes feel dried out. (I don't know
the exact chemistry.) Proposed is a set of goggles that
resemble swimming goggles, but there is an opening above
each goggle in which a saline solution may be dispensed to
keep the eyes continually moist. They would be worn in dry
environments to keep water IN the goggles.
[link]
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maybe good idea for avoiding redeye at the swimming pool too. |
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The fluid on the surface of a mammalian eye is complex and consists of several layers. There is a risk that even normal saline, in contact for an extended time, might cause disturbance to the system and result in serious problems. |
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With the eyelids closed, this might not be so much of an issue. |
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When the eyelids are open, the cornea relies on oxygen permeation to keep it alive, hence the development of gas-permeable contact lenses. If the saline became deoxygenated, this might have negative consequences. |
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We are not saying that this is a bad idea; just that they eye is a complex and delicate structure ioerating in a carefully controlled ecosystem all of its own, and great care is needed to avoid damage. |
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