Record-Breaking May Sunshine: Why UV Protection Matters for Your Eyes
- neilp171
- May 28
- 4 min read
Updated: 4 days ago
Enjoying the Sunshine? Don't Forget Your Eyes
Recent days have brought record-breaking May temperatures and some of the warmest May nights ever recorded in parts of the UK. With parks, gardens and outdoor spaces full of people making the most of the sunshine, it is a timely reminder that protecting your eyes is just as important as protecting your skin.
Most of us remember sunscreen, hats and plenty of water when the weather turns warm. However, many people are unaware that long-term exposure to ultraviolet (UV) light can contribute to changes within the eye, including the development and progression of cataracts.
The College of Optometrists recently highlighted the importance of educating patients about UV exposure and encouraging the use of UV-protective eyewear as part of maintaining healthy vision throughout life.
What Is UV Light?
Light is measured in wavelengths called nanometres (nm).
The visible light we can see ranges from approximately 400nm to 700nm, with violet light at one end of the spectrum and red light at the other.
Ultraviolet (UV) light sits just beyond the violet end of visible light and cannot be seen by the human eye.
UV light is usually divided into three categories:
UVC (100–280nm) – blocked by the Earth's atmosphere.
UVB (280–315nm) – associated with sunburn and eye damage.
UVA (315–400nm) – penetrates deeper and contributes to cumulative damage over time.
Although we cannot see UV light, our eyes are exposed to it whenever we are outdoors.
UV-C UV-B UV-A Violet Light Visible Light
100 280 315 400 420 700nm
|---------|---------|---------|--------|--------|
Standard UV Protection
↑ 380nm
Tokai Lutina Protection
↑ 420nm
Why Does UV Exposure Matter? Especially UV protection for eyes.
Just as UV light can damage skin, it can also affect the structures inside the eye.
One of the best-known examples is cataract formation.
A cataract occurs when the eye's natural lens gradually becomes cloudy, causing symptoms such as:
Increased glare from sunlight
Difficulty driving at night
Reduced contrast sensitivity
Colours appearing duller
Blurred or hazy vision
Whilst cataracts are a normal part of ageing, studies have shown that cumulative UV exposure can contribute to their development.
That is why eye care professionals recommend protecting your eyes from unnecessary UV exposure throughout life, not just when symptoms appear.
Why Most UV Protection Stops At 380nm
Most modern spectacle lenses and quality sunglasses provide protection against UV light up to 380nm.
This is often referred to as UV380 protection and meets recognised international standards for UV filtering.
For many people, this provides excellent everyday protection against harmful ultraviolet radiation.
However, researchers have become increasingly interested in what happens just beyond the traditional UV range.
Looking Beyond UV: The Role of Violet Light
At Parkhurst and Co, one of our premium lens options is Tokai Lutina.
Like other quality spectacle lenses, Tokai Lutina provides full UV protection. However, it also selectively filters a significant proportion of high-energy violet light up to approximately 420nm.
In simple terms:
Standard UV-protective lenses typically block harmful UV wavelengths up to 380nm.
Tokai Lutina extends protection beyond this point by filtering wavelengths within the high-energy violet light spectrum.
The lenses remain virtually clear, making them suitable for everyday wear.
This allows patients to benefit from advanced lens technology without the appearance of a heavily tinted lens.
More Than Just Clear Vision
Many patients choose premium lenses because they want the clearest possible vision.
However, modern lens technology can offer benefits beyond simply helping you see clearly.
Patients often choose Tokai Lutina lenses because they:
✔ Provide UV protection for everyday wear
✔ Filter high-energy violet light up to approximately 420nm
✔ Remain virtually colourless
✔ Deliver excellent optical clarity
✔ Are available in a wide range of prescriptions and lens designs
Whilst no spectacle lens can prevent cataracts or guarantee protection from eye disease, many patients appreciate taking a proactive approach to their long-term eye health.
Don't Forget Sunglasses
Even with advanced everyday lenses, sunglasses remain one of the most effective ways of protecting your eyes outdoors.
Quality prescription sunglasses can help by:
Blocking UV radiation
Reducing uncomfortable glare
Improving contrast
Enhancing driving comfort
Making outdoor activities more enjoyable
As we head into the summer months, a dedicated pair of prescription sunglasses can be one of the best investments you make for both comfort and protection.
Looking After Your Eyes This Summer
The recent spell of record-breaking May sunshine has encouraged many of us to spend more time outdoors. Whether you're gardening, walking the dog, cycling, golfing or simply enjoying the warmer weather, it is worth considering how well your eyes are protected.
Regular eye examinations, appropriate UV protection and quality eyewear all play an important role in maintaining healthy vision throughout life.
If you would like advice about prescription sunglasses, premium spectacle lenses or Tokai Lutina technology, our team would be delighted to help.
Book Your Appointment
At Parkhurst and Co Styling Opticians, we combine advanced eye care with personalised eyewear advice to help you enjoy the best possible vision and comfort.
Visit us in:
Unhurried appointments. Boutique styling. Personalised care.
Book online: https://parkhurstopticians.mysight.uk
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