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Diving Physics: Discuss Opticians in the Training Area forums: I use those little half moon shaped lenses in the bottom part of the mask lense. 1.5 and I can ...

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  #11 (permalink)  
Old 15-07-08, 03:48 PM
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I use those little half moon shaped lenses in the bottom part of the mask lense.
1.5 and I can read my gauges easily!
Cost about £20 for a pair.
I wear daily disposable contact lenses. never had a problem diving with them
Paul
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Old 15-07-08, 04:20 PM
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I sent my prescription to SDS along with my Beaver Atomic mask with the pupil centres marked on the outside and a cheque for £80 +P&P and they sent me back my mask fitted with lenses in 8 days

Well worth it. I can now read the numbers in the bottom of the SLR viewfinder
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Old 15-07-08, 05:44 PM
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I spoke to the optician about lenses for my mask and what she wrote on the prescription "Diving mask -3.50 slight compromise distance to aid near vision". My old prescription for my contacts were -3.50 and I couldnt see my DC so what she is prescribing for a mask will be no good.

My new prescription for spectacles is
SPH CYL AXIS Near ADD Inter ADD B
R 4.25 +1.50 +0.50
12.00
L 4.75 +0.75 25.0 +1.50 +0.50

SO if I get stick on lens (near vision) to go onto a prescription mask (distance vision) what sort shall I get? 1.25/1.50/2.0/2.5 definitley not 3.50 as I know I cant see.

Cheers for your patience.
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Last edited by yazzyfooty : 15-07-08 at 05:46 PM. Reason: TESTICLES those numbers on top line are not going under the correct columns
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Old 15-07-08, 06:44 PM
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Go to Boots.
Try on their reading glasses
Look at the Px
reduce it by 0.25 (magnifction in water)
Order the stick in lenses (GO-Dive stock them)
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Old 15-07-08, 07:00 PM
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Yazzy
I see you have had contacts before. I suggest you do go back to them but explain you have a special need to see close to. In my very recent experience they will issue you with a set to try out then and there to prove it. An adjustment will be made to allow for this. You wont have to fitout a second spare mask with lenses that can get damaged or that you could lose.
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Old 15-07-08, 07:46 PM
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Thank you all for your advise.
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Old 15-07-08, 11:38 PM
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Quote:
Originally Posted by Odin
I wear daily disposable contact lenses. never had a problem diving with them
Paul
I do as well. I buy them from the US and they're a lot cheaper than UK prices. I keep a spare pair in my tool box just in case I lose one and there's always a set in the car. I've done 3-4hr dives and never had a problem wearing lenses (though doesn't mean I won't). It isn't hard to blink one out once you're used to them if there is any trouble.

I'm -6 and was really surprised at how much correction I got with no lenses underwater. I'd be happy to dive without them if I had to. Ok, maybe not happy...

Cheers,

Stuart
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