Corrective Lenses
Corrective Lenses
Price is for 1 lens (not a pair).
If you wear glasses or contacts and want to see the underwater world more clear, you'll want these corrective lenses. Simply clip these lenses onto your Kraken Aquatics mask for clearer vision underwater.
Fits:
Negative Diopter (MYOPIA - Nearsightedness)
- Available in -2.0 to -6.0 negative diopters
Positive Diopter (PRESBYOPIA - Farsightedness)
- Available in +1.5 to +4.0 positive diopters
Use the Dive Mask Corrective Lenses Diopter Calculator below to quickly find your recommended lens strength!
RELATED VIDEO:
How To Install Corrective Lenses On a Kraken Aquatics Dive Mask
Calculate Your Recommended Dive Mask Corrective Lenses Prescription Strength
Enter the Sphere (SPH) and Cylinder (CYL) values from your prescription into the Dive Mask Corrective Lenses Diopter Calculator below, then click the Calculate button to determine the recommended diopter strength for your mask lenses.
Dive Mask Corrective Lenses Diopter Calculator
| Eye | Sphere | Cylinder | Diopter (Exact) | Recommended Lens |
|---|---|---|---|---|
| O.D. (Right Eye) | - | - | ||
| O.S. (Left Eye) | - | - |
How to Calculate the Right Prescription for Your Dive Mask Corrective Lenses
To determine the best lens strength for your dive mask, you will need your current eyeglass prescription. This is typically provided by your optometrist after an eye exam. If you don't have a copy, you can request it from your eye doctor or the company where you last purchased your glasses.
Understanding Your Prescription
- OD (Oculus Dexter): Refers to your right eye.
- OS (Oculus Sinister): Refers to your left eye.
-
Sphere (SPH): The main correction needed for nearsightedness or farsightedness, measured in diopters.
- Nearsighted values are always negative (-).
- Farsighted values are always positive (+).
- Cylinder (CYL): The amount of astigmatism correction needed, which can be positive (+) or negative (-).
(Your prescription may also include Add, PD, and Axis, but these values are not needed for selecting a step diopter lens.)
What If Your Prescription Says "Plano"?
If your prescription lists "Plano" or "0.00" in the Sphere (SPH) section, it means no correction is needed for that eye.
How to Calculate Your Dive Mask Corrective Lenses Diopter Strength
Since step diopter lenses do not correct for astigmatism (CYL), we use a formula to find the best match by factoring in a portion of the CYL value.
Formula:
Diopter Strength = Sphere (SPH) + (Cylinder (CYL) ÷ 2)
Example Calculation
| Eye | Sphere (SPH) | Cylinder (CYL) | Calculation | Recommended Lens |
|---|---|---|---|---|
| OD (Right Eye) | -4.25 | +1.50 | -4.25 + (1.50 ÷ 2) = -3.50 | -3.50 |
| OS (Left Eye) | -3.75 | +0.75 | -3.75 + (0.75 ÷ 2) = -3.375 | -3.00 |
Choosing the Best Lens Strength
- Step diopter lenses increase in increments of -0.5, so you may not find an exact match.
- If your calculated diopter falls between two available options (e.g., -2.75), choose the lower power (e.g., -2.50).
- Water naturally magnifies objects, so slightly weaker lenses often provide a better underwater experience.
