Transitions lenses comparison and features as prescription sunglasses.

transitions lenses

Transitions Optical has used 6,000+ photochromatic dyes,1,200+ patents in its development. Real-world testing in hundreds of scenarios has proven its success.
Our eyes are overstimulated in our modern lifestyles. We are exposed to more artificial lights, brighter lights, stronger lights and glare.
As 9 in 10 people are light-sensitive, the lenses can block 100% UV rays, filter blue rays, and reduce glare. 

transitions lens types

Your combined indoor and outdoor solution. Don’t let your eyes strain in varying light conditions. Have them intelligently adjust.
Plastic photochromic lenses were developed from the glass forms of 1960 in the 1990s and had been continually improving since. Rather than being silver-based, these lenses use naphthopyrans and other organic molecules that limit light transmission through a change in their molecular structure triggered by UV light.
Edwin Land developed Polaroid technology in the 1930s also has improved and can be included, with a variety of lens colours, gradients, multi coats, mirror coatings, blue blockers, enhanced UV protection, variable polarisation and different grades of photochromics for different uses. Digital devices have now been shown to negatively impact comfortable vision, whereas the danger from harmful UV rays has been long understood.
Damage from UV exposure is cumulative, building every time your eyes are exposed to the sun.

TYPES OF TRANSITIONS LENSES

uv index

Based on the ozone forecast and the incident angle of sunlight determined by latitude, day of the year, and time of day, the strength of UV radiation at ground level is calculated as energy frequency, and wavelength is mathematically related. And just like your skin, your eyes need protection. UV levels and sun protection times are included in our local Bureau weather forecast. Sun protection measures are recommended when the UV Index is three and above, but you still get burnt on cool or cloudy days.

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Let us help you choose in single vision and multifocals.

Choose from 7 photochromic colours to match your favourite frames and lifestyle. Grey, Brown, Green, Amethyst, Sapphire, Emerald and Amber.

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As the light in your life constantly changes, so should your lenses. The new colour styles come with constantly adjusting technology that has been tested in over 200 lighting conditions across the globe and 1,000 wearer scenarios.
Kids Eye protection has to come from the beginning of life, and they are available in all kinds of frames for all ages. As you get older, your lens naturally absorbs more UV to protect your retina. Kids under five have particularly vulnerable eyes, so they must be protected against UV rays by the correct lens material as they wear their glasses in all their different situations.

Only Transitions XTRActive and Transitions Drivewear contain photochromic dyes that activate in visible light.
XTRActive series filter at least 2 x more harmful blue light than clear lenses and 8 x more harmful blue light outdoors.
Vantage series filter at least 2 x more harmful blue light indoors than clear lenses, and over 6 x outdoors. Ensure maximum protection and function – for all of your needs- rather than compromising your visual comfort with just one pair of spectacles.

They are often used for their automatic light changing photochromic performance in the presence of ultraviolet (UV) radiation, such as when exposed to sunlight, indoors and at night.
Like skin, our eyes need sun protection. Damage is often spotted in eye exams and can contribute to vision problems.
Photochromic performance is influenced by temperature, UV exposure and lens material and can vary among brands. Transitions lenses provide UV400 protection, % reduction of 100 UVA and UVB, helping to preserve your long-term eye health.

WHAT TRANSITIONS TYPE IS BEST?

By popularity 
1 Signature Gen8.  This is because of its indoor clarity. It comes in 3  colours and 4 Style colours.
2 Xtractive  This is due to its in-car activation helping behind the windscreen of the car. Slight hint of tint indoors.
3 Drivewear. This is a lens designed specifically for driving.
4 Infinite (Younger Optics).  This may become more popular than Drivewear owing to colour cosmetics
5 Vantage Variable Polarised lens.  It has a slower fade back to clear compared to Signature and Xtractive. Slight hint of tint indoors.

The best advice is that just one pair of glasses cannot usually address all light management needs for your lifestyle.  Some recommendations

If you are severely light-sensitive recommendation for primary Pair – Transitions XTRActive or Vantage, secondary Pair – Polarised Sunglass Rx or Transitions Drivewear .
If less light-sensitive,suggest Primary Pair – Transitions XTRActive or Signature with Secondary Pair – Polarised or Tinted Sunglass Rx
If not so light sensitive (dependent on the specific sensitivity) primary Pair – Any of the Transitions range with Second Pair – Occupational Lens,Polarised or Tinted Sunglass Rx.
Should you feel you are light-sensitive and understand the importance of preventative measures as light can be potentially harmful to the skin and eyes
General recommendation Primary Pair – Transitions Signature (consider Style Colours)

TRANSITIONS DRIVEWEAR

drivewear-different colours

Transitions Drivewear polarised incorporate photochromic dyes designed to shift between a lighter and darker density by reacting to changing light conditions as most windscreens have UV absorbers. If you notice glare when you drive, use a specific pair kept in the car for driving. Drivewear has an Olive colour when not activated inside 63% tint or 37% transmission, “changing” to 75% copper colour tint when activated behind a windscreen from bluish wavelengths activating its dyes.
Further darkening occurs outside to 90% due to both UV (unblocked by the windscreen and the blue activation combined.Drivewear is designed primarily to give the best possible vision under all daytime driving conditions. The technology breakthrough on this lens is that it darkens when exposed to UV and visible light.Transition lenses are very popular with people who want one pair of glasses, but dedicated sunglasses or driving glasses have undeniable benefits.
Prescription Transitions Drivewear enhance the driving experience by combining NuPOLAR Polarisation with the Transitions photochromic technology that adjusts the colour and tint of the lenses as light conditions change.

Transitions Drivewear is a sunglass lens that has three distinct colour/darkness states designed for daytime driving. It is always polarised (via polarising film), which means it is not meant to be worn indoors and should not be worn for night driving. It uses both UV-activated and visible-light-activated Transitions photochromic technology, which means it can act even when behind the windshield of a car.
Drivewear transitions are the superior driving lens due to the science of colour theory incorporated into the lens. The colour does prove an issue for some despite vision being sharper and better depth perception, so the cosmetic appeal of the grey INFINITE version has been developed.

drivewear states

The ability to activate behind the windscreen better than all other transitions products and these changing colours over a broad range of driving conditions are the key to its success The benefits of Drivewear over fixed tint sunglasses is they change based the on level of exposure eg in low light conditions a fixed pair of sunglasses are too dark..XTRActive has a 53% activated tint  and can go higher in the right conditions but Drivewear is closer to 80%, yet this  does not go clear as does the XTRActive.

•   Lightest state – 60% tint. •  Darkest state – 91% tint.
•  Blocks blinding glare.
•   Polarization efficiency – 99%.
•  100% UV blockage.
•   Reacts quickly  to both UV and  visible  light.
•    Activates moderately behind the  windscreen.
•   Affordable photochromic polarization. Degree of photochromic activation dependent on windscreen’s total light transmission and UV light absorption characteristics.

Sunglasses for any occasion

deviles thorn glasses

UVA are the most prevalent and penetrating rays during all daylight hours throughout the year causing wrinkles, sun spots,skin cancer
UVB causes more sunburn but more prevalent in the middle of the day
UVC rays are absorbed by the ozone layer and generally don’t reach the earth’s surface. there are germicidal disinfectant uses of man-made UVC radiation  such as in hospital settings. Sunscreens have different physical filters and chemical absorbers for different UV bands

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We have one of the highest levels of UV exposure and highest rates of skin cancer in the world. You  can still get burnt on cool or cloudy days from from UVB and HEV (high energy visible)though lower energy than UVA rays, they penetrate deeply into the eye and can cause retinal damage. UV levels are proportionally greater in higher altitudes distance to the earth’s equator. UV and HEV levels are greater in wide open spaces, especially when highly reflective surfaces are present, like snow and sand.

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UV damage can also depend upon a person’s medications such as tetracycline, sulfa drugs, birth control pills, diuretics and tranquillisers, increasing the body’s sensitivity.
Often backup pairs of glasses such as transitions are recommended as UV damage can be seen around the eyes and within the eyes. 
Transitions are a cost-effective, convenient, popular UV protective solution that loves them or exchanges them policy. Despite different styles, shades and tints are not all polarised and ideal for driving due to windscreen UV blocking darkening.

WHY PROTECT YOUR EYES FROM UV?

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Ultraviolet (UV) radiation is invisible energy produced by the sun. The UV radiation that reaches us is made up of UVA and UVB rays which can penetrate the skin and cause permanent damage and eye problems such as cataracts.
• UV A (320 – 400 nm) penetrates deeply into the skin, causing damage to cells, wrinkling, blotchiness
• UVB (290 – 320 nm) penetrates the top layers of the skin/eye causing damage to the cells. UVB is responsible for sunburn – a significant risk factor for skin cancer, especially melanoma.
Ultraviolet light is present even when it’s not sunny, reflecting off glass, water, the ground, and even off the back of your spectacle lens.
UV damage is cumulative and will build up over time so it is a vital eye care issue.

EYE-SUN PROTECTION FACTOR

Often the protection against UV label refers to the blocking UV radiation property of the lens material itself. Up to 50% of UV penetrating the eye is reflected off the back surface, so the  E-SPF index considers the degree of UV protection, either by % transmitted through the lens and % reflected off its back surface. The Eye-Sun Protection Factor (E-SPF)  is an index showing the overall UV protection provided by a lens. It is an objective rating system developed by Essilor International which can rate any lenses UV transmission and also significantly it’s back surface reflectance reduction. The higher the E-SPF, the better the UV protection.  Wearing a lens with an E-SPF value of 25 means that your eye is 25 times better protected than without a lens. (The E-SPF excludes direct eye exposure from around the lenses) so wrap is essential.

Frequent exposure to UV can lead to the development of cataracts and possibly macular degeneration, which can both impair sight.​​
TEMPERATURE AND ITS EFFECT ON PHOTOCHROMIC TECHNOLOGY
 When the lenses become cold the molecules begin to move slowly.  This means that it will take somewhat longer for the lenses to adapt from dark to clear. When the lenses become warm the molecules speed up and become more reactive. Non-ideal light can compromise vision in various ways. Disabling light reduces contrast and impairs vision, and discomforting glare causes annoyance, visual fatigue, eye strain, blurring, headache and oversensitivity to light.Exposure to UV rays can be harmful in both the short and long term. 

The light environment can be considered in respect of:

INTENSITY-The most apparent dimension of light impacted by location, season, time of day and weather. The greater the brightness, the greater the discomfort or disability. TEMPORALITY-Flashing or brutal light changes when moving between different light conditions. Can cause discomfort due to retina time adaptation. SOURCE-The smaller the size or the closer the light source, the higher the level of discomfort.SPECTRUM-Light wavelength dependent. UV radiation major cause of numerous eye diseases.

Research shows that UVA and UVB rays may contribute to short-term vision impairment and potentially age-related severe eye problems and disease of the eyes, including cataracts. UV is known to contribute to macular degeneration, the leading cause of blindness in people over 60 years old.
The Importance of Vitamin D and UV means a balance is required between excessive sun exposure, which increases the risk of skin cancer and enough sun exposure to maintain adequate vitamin D levels, which is beneficial for bone development and maintaining musculoskeletal health.
Dietary sources of vitamin D are unlikely to contribute enough of an adult’s vitamin D requirements. Vitamin D levels can decrease when the UV Index is lower.
Transitions lenses Signature series seven lenses filter 1.4 x more harmful blue light than a clear primary lens Indoors. Outdoors, filter more than 8 x more harmful blue light than clear lenses. They are called light intelligent lenses as single vision transitions or more complex designs to enhance contrast in all conditions.
When Transitions lenses are exposed to UV light, trillions of photochromic molecules in the lens begin to change the structure and darken.
They are manufactured under heat to draw the photochromic dye into the lens itself. This patented Chromea7 dye technology allows for a more responsive lens to UV, light, and temperature. After the imbibing is complete, a scratch-resistant coating is applied to the surface of the lens. Sometimes the photochromic technology is on the lens surface depending upon the material. Uniform tint colour is maintained regardless of lens thickness differences caused by lens prescriptions.
Trademark of the transitions logo comes with a love them or exchange them guarantee
Transitions light intelligent lenses technology means transitions light automatically adapt. Responding to the light around you, they intelligently change from clear to dark when you go outdoors and back to clear when you return inside. Ask us how Transitions lenses can make your life hassle-free! Want to make a style statement? Hassle-free, innovative technology. Show off your true colours! See us in-store to choose your colour.

electromagnetic-spectrum

The tint of a sunglasses lens has no effect on UV protection, but does change the amount of light that goes into your eye but the materials are protective. People with blue eyes are more at risk of UV damage. Blue eyes contain less of a protective pigment called melanin, which makes UV exposure more of a risk for people with blue eyes than it is for those with darker eyes.
UV levels are more intense at both higher altitudes and in tropical areas near the equator. The further you live from the equator, the less risk .

LOVE THEM OR EXCHANGE THEM !

lens exchange guarantee

‘LOVE THEM OR EXCHANGE THEM’   GUARANTEE

With a satisfaction rating of 96% and a repurchase rate of 95%, you can see why we’re happy to exchange patients’ Transitions lenses if they don’t completely love them!

The transitions logo is a registered trademark, and eight generations since 1991 have improved the transitions offering since the original grey photochromic glass of the 1960s. Transitions intelligent technology has been trademarked, and the transitions light features have been tested and verified by users throughout the globe.

How does the exchange process work ? 

• Transitions Signature iconic colours or style colours exchange for clear lenses

• Transitions XTRActive exchange for clear lenses

• Transitions XTRActive style mirrors exchange for Transitions XTRActive iconic colours, Transitions Signature iconic or style colours, or clear lenses

• Transitions Vantage with Transitions Signature or clear lenses

The replacement eyewear will be in the same prescription, design, index, coating and frame.

Love Them or Exchange Them guarantee only applies to Transitions everyday lenses and does not include sun lenses like Transitions Drivewear.

WHAT IS THE EXCHANGE PROCESS?

The patient must return their Transitions lenses to us within 30 days from collection.
We then process the Claim & Return Form found at www.transitions-plus.com/eyecareprofessionals 
The replacement lenses will take approximately 3 – 7 days. 

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