Description:
This pair of optical swimming goggles features wide angle optical grade polycarbonate lenses in corrective diopters, -2.0 through -4.0, providing swimmers with an excellent alternative to contacts. The universal acetate frame design and TPR gaskets provide for a superior fit with leak-proof protection. With a durable head strap and 3 different sizes of interchangeable nosepieces, this pair of optical swim goggles is a perfect fit to all swimmers.
Features:
If you want to see and sink clearly, high definition lens with anti-fog is for you
That would be a great goggles for those who hate going swimming when totally blind.
Constructed with HD and excellent anti-fog polycarbonate lens design allows you to see clearly.
With custom diopters level ( from -2.0 to -4.0 ) designed for extra clarity under water.
UV protection
Exclusive anti-UV lens design to protect your eyes perfectly.
No more leaks 
This pair of goggles has high suction capabilities which will keep water out of your goggles and assure you waterproofness.
Wide vision for you to see wide underwater views
With ultra wide angle lens, you need no more turn your head and lose time when swimming.
Fully adjustable one-size fits all that brings you comfort
Designed with adjustable head strap and 2 extra interchangeable nosepieces to fit you according to the size and shape of your face and make you comfortable.
The goggle gasket is a nice soft pliable design that is very comfortable.
Widely used
It is ideal for both youth or adult, men or women with the nearsighted problem.
It is suitable for any kind of underwater activities such as swimming, open water triathlons, diving, etc.
Warning:
- In many cases, lengthy use of the goggles may cause discomfort. If this happens, you should stop using it.
- Only for swimming.
- Take the best care of your eyes when you are wearing the goggles.
- Children use it with the help of their parents.
- After using, avoid exposing it to the sun for a long time.
- Do not wipe or rub, store carefully to avoid scratching.
- Avoid wiping inside the lens.
- Stop using it if you feel any uncomfortable.
FAQ:
Question: Are this pair of goggles that is made for the nearsighted
Answer: Yes, negative diopters are for correcting nearsightedness.
Question: If I have a mix prescription ( r - 200 / -025 x 180 and l -250 / -050 x 180 ), which size should I get
Answer: It looks like you is 2 and 2.5, but for best results, give your optometrist a call. If I'm reading it right though, you can buy a 2 and 2.5 goggles and switch out one of the lenses to get two pairs with the exact prescriptions.
Question: What is the difference between -3 and -3.0
Answer: There is not any difference.

Frame material: Acetate
Gender: Boys,Girls,Men,Women
Lens height: 1.18 inches
Lens width: 1.65 inches
Lenses Material: Polycarbonate
Lens Thickness: 0.051 inches
Package weight: 0.171 kg
Package Size(L x W x H): 17.50 x 5.50 x 5.50 cm / 6.89 x 2.17 x 2.17 inches
Package Contents: 1 x Optical Swimming Goggles, 2 x Interchangeable Nosepiece, 1 x Box, 1 x English and Chinese Manual