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 Home - Global - Aqua Optics
Why the lens must be absolute flat for swimming goggles?
Comparative study shows that only absolute flat lens can remain the same degree above and below water. Those goggles with convex or arc-shaped lenses will cause a difference in degree of at least -2.50 for myopia and C-5.0- for astigmatism below water and harmful to your eyes.

The definition comparison for the lenses both above and below water

ABSOLUTE FLAT LENS
Sable water optics goggles Professionally developed and manufactured, vision remain unchanged both above and below water.No distortion for both plano and myopic goggles.
SPHERICAL LENS
Other brand goggles Slightly convex spherical lens, due to improper design, come out with nearsighted -2.50. Harmful to your eyes.

ARC SHAPED LENS
Other brand goggles
Due to improper design, comes out with astigmatism for C-5.00. Harmful to your eyes.

Absolute Flat Lens
Sable water optics goggles
Vision remain unchanged and clear below water. Image is neither distorted nor out of shape.
Spherical-Lens
Other brand goggles
Image shrinks below water.Vision has serious aberration and become blurred.

Arc Shaped Lens
Othe brand goggles
Image is both distorted and out of shape below water.