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Frequently Asked Questions
Can I get a prescription in a full face plate mask?
Yes you can. We put any prescription in
any dive
mask. Single vision, bi-focals or gauge readers.
Any dive mask at all.
The Eye Doctor says I have Astigmatism...
No problem at all. We deal with all astigmatic corrections and even
the very difficult ones no one else can handle.
It just means that your eye is slightly "out of round", requiring the
addition to the lens of a certain amount of "out of round", or cylinder.
A precise amount, and angle, different for each eye, is specified in the
second set of numbers on a prescription.
Although there is NO CHARGE for corrections under 3, there is a $20.00 lab fee
for cylinder corrections over + or - 3.
Bifocals? Underwater ??
Are you a photographer, videographer or cinematographer? Or a
dive computer & gauge wearing diver?
Are you over 35 years old?
Our eye muscles gradually lose the ability to focus on close objects
after age
35 .....
If your enjoyment of diving would be improved by adding the ability
to focus up close again, then consider bifocals or a gauge reader in your
dive mask
Why are bifocals always so high ?
We can place your bifocal where you want it. Mark your face plate with
a felt pen where you think you want it. Dive a little with the line on
there. Change it if its too high or low. When you're happy, ship it to
us. If you've got no preference we will put it 10 mm below your pupil center
(where you put those dots before shipping).
Any Prescription ?
Yes, we really can put any prescription in any dive mask.
All our work is custom so we can accommodate even the highest prescription.Our
record to date is a - 27 !!
There is a extra charge of $ 20.00 for sphere powers greater than + 5.00 or
- 5.00, and cylinder powers + or - 3.
Whats the Interpupillary Distance, or PD ?
The PD is the distance from the center of one pupil to the center of
the other. This is different for each person. It is essential for accurate
dispensing to place the optical center of the lens over the center of the
pupil. Any offset can induce prism, actually changing the apparent power
of the lens. We ask you to dot your pupil center before shipping your mask
to us.
Do this by wearing the mask, looking into the distance at a point,
and marking that point on the face plate with a felt tipped pen.
Another method is to have another person mark the center of your pupils
while you look into the distance.
I broke a lens.....
Did the lens break or just the face plate? Thats usually what happens.
If so, send us the broken bits, suitably wrapped. We'll burn the lens off
at high temperature, polish it and inspect it for damage. Usually we can
re-use the lenses, and bond them to a new face plate. If your mask is the
full face plate, then you will have to buy a new mask.
A burn and remount of your lense is $45.00, not guaranteed.
Do the lenses come unstuck?
We were hoping you would ask! The answer is: Never! We boiled them,
then froze them. Soaked them in acetone.We left them in the sun for months.
Salt water, fresh water, it made no difference. So we are happy to guarantee
them for life.
None have ever come unstuck yet until we want to remove them.
How long until you ship my lenses?
8 to 10 working days after we receive your mask and prescription, we
will ship it back.
What
about shipping cost?
Shipping is $12.00 inside California.
$14.00 U.S.A.
$35.00 next day air
Hawaii: $15 3-4 day priority mail - $35 2 day express mail.
COD is $9.00
What about International shipping?
Call for Quote.
What is a Diopter ?
The diopter is a unit of measurement of strength, or refractive power
of lenses.
The higher the diopters, the more curved the lens is.
What is the Optical Center ?
The point at which the sphere and cylinder power of the lens intersects.
Whats with those white candys ?
Some of you have asked about the yucky candy bar that comes with each
mask. Please don't eat them.
We include a bar of our favorite de-fogger with each mask we do. We
wanted the first dives to be clear for you.
Read the directions in the bag the "candy bar" comes in. Additional
defogger is $4.00 a bar.
What about defoggers?
You can use any de-fogger you like. The lenses are made of glass, just
like the face plates are,
and they can withstand any chemicals except abrasives.
Is that price by the pair?
Yes it is. A Left and a Right lens. And to make it even more reasonable,
we are giving 50% off to one eyed divers.
Sweeten that a little ??
OK, We will give you 5% off if you mention HOW you found our web site!!
Tell us which search engine you used.
Hey I live in San Diego, I'll be right over....
Well come on down!
We are there 9 to 5:00 Monday through Thursday, 9 to 2:30 on Friday.
Oh, we close from 1:00 to 2:00 pm for lunch Monday through Thursday.