Questions and Answers for Oceanic Ion U.S.A. ´´Limited Edition´´ Mask:
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ION
Change your point of view. A low profile family of masks for the pro, the semi-pro, and all lovers of the sport who want to see the underwater world more clearly. Accepts optical lenses and comes standard with our Neoprene Comfort Strap.
*Now Availble in Red, White and Blue as a part of our USA Line!
Sturdy lightweight frame Low volume design for wide field-of-view and easy clearing May be easily fitted with optical lenses from -1.5 to -8.0 diopters in .5 increments **Now Available in positive diopters 100% liquid silicone for comfort and long-life Tempered glass lens for safety Easy adjusting buckles for convenience Neoprene Comfort Strap included
Function
Water is more dense than air, which makes objects look blurry. A mask provides an air spae in front of the eyes to eliminate distorted vision.
Preparation
Prior to using the mask for the first time, thoroughly clean both sides of the lens with a nonabrasive liquid detergent, or toothpaste, to remove any residue, then rinse with fresh water.
To prevent fogging during use, rub a 'no fog' solution, or saliva, on the inner surface of the lense while it is still dry, then rinse with water.
Adjust the strap so that it holds the mask comfortably and firmly in position on your face without being too tight or restrictive.
Use
Place the mask on your face and pull the strap over the top of your head.
To clear water that enters the mask, stand up or come to the surface and lift the bottom of the mask away from your face to allow the water to drain out. While underwater, tilt yourhead back and exhale gently into the mask while pressing the top portion with your fingers. Water will be forced out the bottom edge.
To eliminate mask squeeze caused by the higher pressures that are experienced when diving deeper than a few feet, exhale slowly into the mask through your nose as you dive deeper. To equalize pressure in your ears, pinch your nose closed with your thumb and finger and blow gently while holding your mouth closed.
Care and Maintenance
At the end of each day of use, rinse your mask thoroughly in fresh water and towel dry. Do not allow the clear silicone skirt or strap to come in contact with items that are black rubber. This will cause the clear silicone to become discolored. Avoid prolonged exposure to direct sunlight or excessive heat. Ensure that the mask is completely dry before storing. Store in a cool, dry location.
FULL MANUFACTURER’S WARRANTY 
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