All this is more than clear and easy to understand, but how many times have we known how to choose the right glasses? Surely some of you happened to get to the pool, put on his glasses, start swimming pool vacuum head and two long note how to filter water starts and having to swim with one eye closed as if semiprecious snipers. Then, once you get to the edge of the pool, you take off the lens water and tea you come to place tightening the gums to the point you out almost the eyes, finally ending with headache and relegating glasses to place deeper drawer in our room.
And once this has happened to us why not choose the swimming pool vacuum head and swim as comfortable as possible? The answer is found in if we choose the glasses that best fits our physiognomy, because it is clear that the glasses will not to adapt to our face; although many models are self-adjusting, but to a certain extent.
First, we put the glasses without elastic (strap), pressing slightly to the swimming pool vacuum head effect on the eyes. Then Drop your glasses to see if they really got the suction effect for about 3 seconds. Then, put your elastic (strap) line above the ears.