Water Monkey
Contributor
I made a dive today with a young man who was making his first Nitrox dive. He has a total of around thirty dives now. The mix was 31.9 % o2 and we had planned to go to 80 feet max. At about sixty feet he stopped me and motioned to me that he was having trouble seeing. I was thinking, ok it’s a little darker down here and your mask is fogged up. But he was pretty insistent so I took it up to 40 feet. After a minute or two at 40 I asked him if he was ok and he answered back yes, I asked him if he was ok to go back down and he said yes, since our plan had been altered I leveled off at 60 feet and I was planning on keeping it there for a max bottom. But then as soon as we leveled off at sixty feet again he motioned to me again that he could not see. This time I'm thinking tunnel vision and toxicity, so I called the dive and we got out of the water with a total dive time of less than ten minutes. Back on the boat he pulled his mask off, his eyes were very puffy and he told me that at one point his eyes had swollen completely shut! It came on very quick, with in maybe one or two minutes at depth and there was pretty much instant relief at 40 feet then the swelling was back again by the time we hit sixty feet. This is a new one for me. I’m thinking mask squeeze. But I have seen mask squeeze before and it didn’t look like that. I’m at a loss here.
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