Contact Lenses And Tec Diving?

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Hard contact lenses float away, and can shift unexpectedly off the cornea unlike soft lenses.

You may be able to read your gauges without contact lenses; but can you see and decipher hand signals from your dive buddy without them?
 
Hard contact lenses float away, and can shift unexpectedly off the cornea unlike soft lenses.

You may be able to read your gauges without contact lenses; but can you see and decipher hand signals from your dive buddy without them?
that is an excellent point that I did not think about. Again, my vision really isn't terrible. I believe I could decipher most hand signals if my buddy was say 5ft away...not sure about 10ft though. I can that that theory this summer. My goal is too purchase everything I MUST have for my tech courses and then go to the nice to haves. If contact lenses will be "ok" for the courses then prescription masks will be lower on my list of priority for now.
 
couple of thousand dives and never a problem with my soft lenses. When i teach, i do mask skills with my eyes closed.
i also keep an extra set of contact lenses and glasses in my boat bag.

prescription masks are great but losing/breaking one would end up being hundreds of dollars as opposed to just an extra contact lens
 
I can't wear contacts because of my allergies. I just do the Rx mask.

My friend James, who is notorious for posting photos of his computer after his 9 hour dives, uses contacts.
 
What's your (spectacle)Rx??....--& your age??.......And---do you have any problems with MGD(Meibomian Gland Dysfunction)??....
 
one thing that's a pain if you're a hardcore contacts guy is that you have to take them out before diving and put them back in immediately after. i wear glasses these days and have a very weak prescription so that isn't an issue for me.

for me, the peace of mind knowing that i've eliminated one more thing that could go wrong and annoy me on a long dive where maybe I have some goals to accomplish is worth the money spent on prescription lenses
 
larry wears his soft contacts tech diving and hasn't had any problems so far.
 
I wore contacts doing open water deco dives for a while before I got my eyes fixed (again). Have lost a contact before due to mask drills but wasn't a huge deal. If you're calm and comfortable in the water, particularly with your eyes closed, slightly compromised vision probably isn't a huge deal, especially if you have ambient light. Of course there are all sorts of scenarios you could run through that could make it just another issue you don't want to deal with.

My experience is that some things are gear issues, and those things are worth spending the money on before you start getting too sporty with piling on the risks.
 
In 25 years wearing soft contacts, I have never (in water or out) had a contacts problem that couldn't be solved by blinking a lot—even the folded-rolled-up-in-your-eye problem. But you can always stick your finder in your mask and fiddle with it. You'll lose your contact lens. So what?

If you can wear contacts, prescription masks solve a non-existent problem with a new problem: You can't lend out a spare mask, and a buddy's spare mask won't help you much. So what do you gain? When was the last time you had a serious problem with your contacts thst wasn't caused by something else getting in your eye—which will not happen in the water—and that couldn't be solved by sacrificing the lens?

Earlier this year I had a lens pop out at the start of deco. It was the first time in 14 years of cave and tech diving. I spent about 45 minutes staring at this lense sitting on my cheek, as I floated in an ocean full of saline. (Embarrassingly, I discovered that without the lens I could read my gauges better.) When I got back on the boat, I put it back in.

We did no-mask drills in tech and cave. I never lost a lens, even with the "old" way of doing mask drills (riiiiip....). But maybe others with more experience have found problems that couldn't be solved by sacrificing the lens?
 
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