Sun Safety, Wellbeing, Melanoma Awareness

It’s a wrap: what to look for in UV protection sunglasses.

How to choose the right sunglasses to protect your eyes from UV damage.

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Team MoleMap Creator
Posted 07/12/20
Which sunglasses are the best for your eyes 1000

Sunglasses are an important part of sun protection – and most of us know to ‘wrap’ on a pair to protect our eyes against UV damage. But which type of sunglasses or lenses provide the best UV protection in Australia? And how do UV rays damage your eyes and the skin around it? Feast your eyes on this article to find out – and read our checklist of the 7 things to look for when choosing a pair of sunnies.

How do UV rays harm our eyes in the short term?
The sun’s harmful UV rays don’t just damage skin: they can also damage your eyes. If your eyes are overexposed to UV radiation, the protective layer on the front surface of the eye may be damaged, at least temporarily.

Short-term over-exposure to UV rays can cause photokeratitis or “snow blindness”. This is sunburn of the cornea, a temporary but often painful condition. This risk increases when UV is reflected from below, by water, sand, or snow, because UV rays bypass the protection that caps or hats provide – a very good reason to always wear UV protective sunglasses in bright conditions.

UV damage around eye area

Above: The eye area is particularly susceptible to UV damage – and long-term sun exposure can lead to skin cancer or macular degeneration.

How does UV radiation harm our eyes in the long term?

Long-term exposure to UV radiation in very bright sunlight over many years may result in eye problems such as cataracts, which cause a gradual clouding of the natural lens of the eye - or a pterygium, a growth on the surface of the eye. Long-term sun exposure can also contribute to macular degeneration of the retina, a leading cause of blindness in later life.

What’s more, long-term UV exposure can lead to different types of skin cancer, including ocular melanoma (which is rare but it does happen). In fact, the eye region accounts for 5% to 10% of all skin cancers.(1)

You see, the skin around your eyes is the most thin and delicate on your body, containing many fragile tissues and making it very susceptible to both UVA and UVB sun damage - which is why those ‘crow’s feet’ (wrinkles) usually appear around the eye region first. All the more reason to protect your eyes and the skin around it with good quality UV protective sunglasses!

UV protection sunglasses

Above: A recent study showed that price isn’t a factor - instead, look for the highest UV protection sunglasses you can afford.

Did you know? Harmful ultraviolet (UV) radiation exposure to the eyes peaks in the early morning and later afternoon for most of the year – not in the middle of the day – because of the angle of the sun in relation to the eyes at those times. Plus the danger continues to grow as we spend more time in the sun throughout our lives, with cumulative UV damage.(2)

7 things to look for in a pair of sunglasses:

1. Look for high UV protection, not cost. Contrary to popular belief, spending more on sunglasses doesn’t always mean you’re getting superior eye protection. Designer frames usually come with a designer price tag, but you don't need to spend a small fortune for a pair of shades that will protect your eyes from glare and, most importantly, UV rays. Many inexpensive styles offer just as much (or more!) protection.

As of July, 2019, all sunglasses sold in Australia must be tested and labelled according to the Australian/New Zealand standard AS/NZS 1067.1:2016. This mandatory standard includes non-prescription sunglasses mounted in a spectacle frame, rimless sunshields and one-piece visors, clip-on and slip-on type sunglasses, children's sunglasses, fashion spectacles and light tint sunglasses.

Large sunglasses are better than small sunglasses at protecting eyes

2. Look for AU/NZS standards. Look for sunglasses that comply with Australian standards, with a lens category of at least 2 or preferably 3 (see below)1. Under AS/NZS 1067.1:2016, sunglasses and fashion spectacles are classified as one of the following:

  • Lens category 0 & 1 fashion spectacles: These are not sunglasses, as they have a very low ability to reduce sun glare. Category 0 lenses offer limited or no UV protection, while category 1 lenses provide limited sun glare reduction and some UV protection.
  • Lens category 2 sunglasses: these provide a medium level of sun glare reduction and good UV protection.
  • Lens category 3 sunglasses: These sunglasses provide a high level of sun glare reduction and good level of UV protection.
  • Lens category 4 sunglasses: These are special-purpose sunglasses that provide a very high level of sun glare reduction and good UV protection. Never wear them while driving.

3. Check for 100% UV protection. Not all sunglasses protect against both UVA and UVB radiation, so always check the label for the UV protection rating. Look for a label that lists both the type and the amount of UV protection – ideally 100 percent (also known as 100 UV sunglasses).

Wrap around sunglasses reduce UV damage to your eyes 1000

Above: Look for UV protection glasses that are larger or a wraparound style to protect both your eyes and the delicate skin around them.

4. Bigger is better. The more coverage from sunglasses, the less sun damage inflicted on the eyes and the delicate skin around them. Consider buying oversized glasses or wraparound-style glasses, which help cut down on the UV rays entering the eye from the side. And don’t forget to wear a broad-brimmed hat – it can block up to 50 percent of UV from the eyes (see best sun protection hats) – especially if you have a higher skin cancer risk.

5. Lens colour doesn’t enhance UV protection. While very dark lenses may look cool, they don’t necessarily block more UV rays. Some sunglasses come with amber, green or grey lenses – these don’t block more sun but can increase contrast, which may be useful if you play sports such as cricket or golf.

6. Polarized lenses cut glare, not UV rays. Polarisation reduces glare coming off reflective surfaces like water, sand or the pavement. This doesn’t necessarily offer more protection from UV rays, but can make activities like driving or being on the water safer and more enjoyable.

Toddlers and kids should wear high quality sunglasses

Above: Toddlers and kids should wear high-quality sunglasses whenever they’re in bright sunlight as their eyes are more susceptible to UV damage.

7. Little eyes need protection too! Children of all ages need to wear sunglasses as much as adults do. Children often spend a lot of time in the sun (think school sports days, summers at the beach etc) and they tend to have larger pupils and clearer lenses than adults, so they’re more susceptible to retinal damage as more UV rays can penetrate deep into their eyes3. Wrap‐around styles are better as they also protect the delicate skin around a child’s eyes.

For children, it’s important to choose UV protection sunglasses that are comfortable, fit well and they’ll be happy to wear, so if possible, involve them in choosing a pair. And make sure they also wear a broad-brimmed hat or cap with side flaps to protect their eyes, face and neck from the sun on all sides.

Slip slap slop

Don’t forget to slip, slop, slap, seek and SLIDE!

Remember, whatever the season, if it’s sunny and bright outside – or even if it’s overcast – always follow the SunSmart guidelines:

SLIP on sun protective clothing that covers as much of your body as possible.

SLOP on broad-spectrum, water-resistant sunscreen (at least SPF30+) at least 20 minutes before sun exposure and reapply every two hours when outdoors - or more often if perspiring or swimming.

SLAP on a broad-brimmed hat that shades your face, neck and ears.

SEEK shade, especially between 10am and 4pm in summer months.

SLIDE on sunglasses – preferably large, well-fitting sunglasses that meet the Australian standards above.

Check out the full SunSmart guidelines here.

Worried about a spot on or near your eyes?

Skin cancer such as melanoma can appear in some very unexpected places, including on or around the eyes. It can develop in the lining or one of the coatings of the eye: sometimes appearing as a dark spot or you might feel scratchiness under the lid. These can also be symptoms of other eye conditions, so if you’re experiencing these symptoms, see your doctor or an eye specialist.

If you’re worried about a mole or spot near your eyes – or anywhere on your face or body – you might like to book a free SpotChat online consultation with a MoleMap Melanographer. She’ll take a look and advise you whether you need to book a comprehensive Skin Check for further checking and/or monitoring over time.

BOOK A SPOTCHAT
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Sources: 1. www.skincancer.org/prevention/sun-protection/for-your-eyes/how-sunlight-damages-the-eyes. 2. Kanazawa Medical University, Japan, 2012. 3. ‘Children, adults under 30 years of age, and pseudophakic individuals with UV-transmitting IOLs should wear sunglasses in bright environments’(www.ajo.com/article/S0002-9394(09)00892- 7/abstract?cc=y?cc=y). 4,5. NZ Association of Optometrists: https://www.nzao.co.nz/sites/default/files/Sunglasses.pdf

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