Hayden Optometric Inc.
94 N Main St Mansfield MA 02048 +1 508-339-3952
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(508) 406-9342

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Mansfield, MA


Are Our Eyes Safe Behind Cheap Sunglasses?

When it comes to sunglasses, what you can’t see can hurt you!

You may think your shades are doing their job by just taking away the sun’s glare. But sunglasses have another important purpose—blocking invisible ultraviolet light. Exposure to ultraviolet (UV) light can cause short-term discomfort. More importantly, over time, it can lead to cataracts and other vision problems.

It’s not immediately obvious if sunglasses are blocking damaging UV light. In fact, wearing dark glasses that don’t block UV rays can actually be more harmful to your eyes than wearing no protection at all!

Cheap Sunglasses Could Endanger Vision

Our eyes have amazing mechanisms that allow them to adjust to different levels of light. In dim conditions, the pupil (the opening that lets light into the eye) increases in size to allow more light to reach the retina. In bright light, it contracts to avoid overexposure.

Wearing sunglasses makes your eyes’ sensors believe they’re in low light, and the pupils expand in size up to 6 millimeters. If your sunglasses aren’t blocking UV rays, this expansion allows much more harmful light in than if you weren’t wearing sunglasses at all!

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Know What To Look For When Selecting Shades

The next time you’re out shopping for sunglasses, keep these few simple things in mind. Quality sunglasses will have them listed on a sticker or tag:

  • blocks 99–100% of UVA and UVB rays
  • meets ANSI Z80.3 quality standards
  • provides UV 400 protection (another way of saying they block 100% of UVA/UVB)

If the tag doesn’t offer specific numbers about protection, don’t buy the glasses. Some less expensive sunglasses meet these standards and some costly ones don’t! So, don’t judge strictly on price! The best way to make sure that you’re getting true quality UV protection is to come and see us! We have great options that are fashionable AND provide proper protection for your eyes.

Protecting Our Eyes For Lifelong Vision

Our eyes are too precious to risk on low-grade protection and care! That’s why we take extra steps to ensure that the advice and treatment we provide is of the highest quality, and tailored to each of our patient’s specific needs.

We can’t wait to see you for your next checkup! We love performing our part to support your health-conscious lifestyle.

Top image by Flickr user Bob n Renee used under Creative Commons Attribution-Sharealike 4.0 license. Image cropped and modified from original.

Visit Us in Mansfield, MA

Discover everything our practice has to offer in person at our Main Street location.


94 N Main St
Mansfield, MA 02048

Contact Information

Phone: 508-339-3952
Fax: +1 (508) 339-6907
  • Monday: 9:00am - 5:00pm
  • Tuesday: 9:00am - 6:30pm
  • Wednesday: 9:00am - 4:00pm
  • Thursday: 9:00am - 6:30pm
  • Friday: 9:00am - 3:00pm
  • Saturday: 8:30am - 11:30am
  • Sunday: Closed
Request Appointment

Why Choose Hayden Optometric?

Our Brands

Our Brands

Your eyes are unique, and so is your sense of style, which is why selecting your frames and lenses is a very personal choice. Your frames should fit your sense of style, and your lenses should suit your vision needs. Hayden Optometric Inc. is proud to offer a wide variety of brands so that we can help you find the frames and lenses that best suit your needs and style.

We're Revolutionizing Eye Care

We're Revolutionizing Eye Care

Hayden Optometric wants to be a thought leader in the eye health industry. We are always dedicated to making life better for our patients. In fact, our own Dr. Joel Hayden has leveraged his knowledge as an optometrist and nutritionist to develop his own line of eye wipes and fish oil to bolster your eye health.



Dr. Hayden is also the founder of HALT Myopia; the Hayden Advanced Lens Therapy System. Designed for nearsighted kids, HALT Myopia has been called “LASIK for kids,” only without lasers, scalpels, pain, recovery, or risk of overcorrection.

Read more about HALT and other methods of myopia control.

The Future of Eye Health Technology

The Future of Eye Health Technology

We really value innovation. That’s why we rely on some of the most advanced technology available to help us examine, diagnose, and treat all of our patients. When you choose Hayden Optometric, you know you’re getting some of the most state-of-the-art equipment the industry has to offer.

Hayden Optometric is powered by WellFed Nutrition.

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