According to the lit, hyperoxic myopia (HM) has been recognized since the late 70's. Though the mech is unknown, it appear as a myopic shift in divers exposed to sustained (4 h/day) HBO in the 1.3 ATA + range. Reportedly it is reversible in that the vision returns to baseline w/i a few months of the cessation of HBO exposure. It has been proposed that it could B viewed as a manifestation of oxtox. Furthermore, since no change of lens curvature has been noted, some have speculated that HM is a product of altered lens metab due to HBO. Safe bubbles Esat Atikkan __________________________________________________ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://im.yahoo.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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