Hello. I have taken a great interest in skin diving, but vision - 2 on both eyes, glasses or spots....

[Alexander]

Hello. I have taken a great interest in skin diving, but vision - 2 on both eyes, glasses or spots. In a mask, accordingly in glasses or spots you will not swim for a while. In this connection a question. Whether Mozhno-to float under water in a mask with contact lenses; pressure, water...

[The doctor med.tsentra OpticalNet Andrienko G.V.]

It is possible, if the mask is tight enough. It is better to use disposable lenses.
Counter question: glasses or spots for navigation with diopters do not approach or suit?