Yingfa OK570 Corrective Optical swimming swim Goggles

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Yingfa OK570 Corrective Optical swimming swim Goggles

RD$ 991.36

Disponibilidad: En existencia

Style Number: OK570AF

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RD$ 991.36

Vista General Rápida

Yingfa OK570 optical corrective swim swimming goggles
* Goggles degree -1.5 ~ -4.5
* Anti-Fog,U.V protection lens.
* Come with extra nosepieces, so you can get that perfect fit .
* Carrying case give the goggle more protection.
* Perfect for racing and training.
Were you looking for swimming goggles with prescription lenses ? We have swim goggles with prescription lenses.

How to select the correct lens?

*Based on your recent glasses prescription as a main guideline.
*The calculation formulas for your corrective goggle lens are as below. These two equations are basically the same, except the terms are different.

(A) Sphere + 1/2 Cylinder = Goggle Diopter
(B) Myopia + 1/2 Astigmatism = Goggle Diopter

Below are brief explanations for these terms:

1)OD: Right eye
2)OS: Left eye
3)Myopia or Sphere: Nearsighted degree of weakness
4)Astigmatism or Cylinder: Degree of astigmatism

Since corrective goggles are pre made, they do not cover all diopters,if your calculation fall between 2 steps diopters (-4.75),you always pick the lower diopter(-4.5). This way it will giveyou less stress on your eyes.

Detalles

Yingfa OK570 optical corrective swim swimming goggles * Goggles degree -1.5 ~ -4.5 * Anti-Fog,U.V protection lens. * Come with extra nosepieces, so you can get that perfect fit . * Carrying case give the goggle more protection. * Perfect for racing and training. Were you looking for swimming goggles with prescription lenses ? We have swim goggles with prescription lenses. How to select the correct lens? *Based on your recent glasses prescription as a main guideline. *The calculation formulas for your corrective goggle lens are as below. These two equations are basically the same, except the terms are different. (A) Sphere + 1/2 Cylinder = Goggle Diopter (B) Myopia + 1/2 Astigmatism = Goggle Diopter Below are brief explanations for these terms: 1)OD: Right eye 2)OS: Left eye 3)Myopia or Sphere: Nearsighted degree of weakness 4)Astigmatism or Cylinder: Degree of astigmatism Since corrective goggles are pre made, they do not cover all diopters,if your calculation fall between 2 steps diopters (-4.75),you always pick the lower diopter(-4.5). This way it will giveyou less stress on your eyes. Since corrective goggles are pre made, they do not cover all diopters,if your calculation fall between 2 steps diopters (-4.75),you always pick the lower diopter(-4.5). This way it will giveyou less stress on your eyes.

Información Adicional

Country of Origin China

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