[Selection of the degree of myopia swimming goggles] How to choose the degree of myopia swimming goggles

How to Choose Myopia Swimming Goggles

Choosing the right myopia swimming goggles is crucial for both eye health and swimming performance. Here’s a guide to help you make an informed decision.

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Lens Quality and Materials

The quality of swimming goggle lenses, especially for myopia goggles, directly impacts your eye health. Most myopia swimming goggles on the market are made from materials like plastic steel, polycarbonate, and silicone, and often feature waterproof, anti-fog, and UV protection.

Types of Lenses

Myopia swimming goggles come with two types of lenses:

1. Micro-Convex Lenses: These lenses resemble those found in regular swimming goggles. However, they cause a slight degree of refraction underwater, so it’s important to adjust the lens power when purchasing.
2. Flat Lenses: These lenses are flatter and slightly lower than typical swimming goggles, eliminating the refraction effect. This type ensures accurate vision underwater without any distortion.

Choosing the Right Goggles

The selection process for myopia swimming goggles varies based on the lens type:

• Micro-Convex Lenses: Most myopia swimming goggles fall into this category. To select the correct lens power, subtract 50-100 degrees from your actual myopia prescription. For instance, if your myopia is 500 degrees, opt for goggles with 400 or 450-degree lenses.
• Flat Lenses: Brands like Sable offer flat lens goggles. You can directly choose lenses that match your myopia prescription.

Classification of Myopia Swimming Goggles

Myopia swimming goggles can be classified into three types:

1. Custom Prescription Goggles: These are tailored to match the swimmer’s exact myopia and astigmatism prescriptions. The lenses are processed similarly to regular glasses and fitted into a silicone-sealed frame.
2. Split Myopia Goggles: These allow separate selection and assembly of the frame and lenses for each eye. However, they do not correct astigmatism. This option lets you choose different prescriptions for each eye.
3. Fully Integrated Goggles: These are pre-assembled with the same prescription for both eyes. They are more affordable but may cause discomfort if there is a significant difference between the prescriptions of the two eyes.

Additional Notes

• Myopia prescriptions range from 200 to 1000 degrees, with increments of 50 degrees.
• For those with astigmatism, convert the astigmatism degree when choosing the myopia prescription. For example, if you have 500 degrees of myopia and 100 degrees of astigmatism, consider selecting 550-degree lenses, similar to how contact lenses are chosen.

By understanding these factors, you can choose the best myopia swimming goggles to enhance your underwater experience while ensuring your eye health.