Snorkel sets w/ prescription glasses

Type of lenses

Both the negative and positive prescription lenses are single vision glasses. The reading lenses have the plus focusing power at the bottom of the lens, making reading your dive computer easier. The top part of the lens does not have any focusing power.

Size

Whom will be using this set?

Purge valve

A snorkel with a purge valve at the bottom will be easier to clear, since the water can flow out at the bottom of the snorkel.