Transition Lenses vs Sunglasses: Know the Difference

Do you know about transition lenses? If not, you might be wondering what transition lenses exactly are. Are they just as protective as sunglasses? The answer is no, but they’re still a fantastic choice for those seeking sunglasses and eye protection.

Both types of eyewear serve important purposes, but they also have their own unique features and drawbacks.

What are Transition Lenses?

Transition lenses, also known as photochromic lenses, are a type of eyeglass lens that automatically adjusts to changing light conditions. They are made of special photochromic materials that change color in response to UV light. The lenses get darker when exposed to direct sunlight; they become lighter when UV light is no longer present.  These lenses provide a convenient and practical solution for people who need eyeglasses to see clearly but also want the ability to wear sunglasses in bright light without having to switch between the two.

What are Sunglasses?

Sunglasses are a type of eyewear designed to protect your eyes from the sun’s harmful rays. They work by blocking out the UV light that can damage your eyes and cause problems like cataracts. Sunglasses also help reduce glare, making it easier to see on sunny days. Transition lenses are a type of eyewear that gets dark in the sun and light indoors. They work by changing the tint of the lens based on the amount of UV light they’re exposed to. Transition lenses offer some protection from the sun, but they don’t block out all of the UV rays as sunglasses do.

Differences between transition lenses and sunglasses:

Activation: Transition lenses are activated by UV light, while sunglasses are always tinted or polarised.

Color: Transition lenses are usually available in shades of brown or gray, while sunglasses can be found in a wide range of colors, including green, yellow, pink, and blue.

Light transmission: Transition lenses can vary in the amount of light they block, depending on the intensity of the UV light they are exposed to. Sunglasses, on the other hand, typically block a fixed amount of light.

Durability: Transition lenses may not be as durable as sunglasses, as the activation of the lenses can be affected by temperature and humidity.

Cost: Transition lenses may be more expensive than regular eyeglass lenses, but they can be a cost-effective alternative to buying both eyeglasses and sunglasses.

Pros and Cons of Transition lenses and Sunglasses

Transition lenses are photochromic, meaning they darken in sunlight and lighten indoors. This can be convenient if you don’t want to carry around multiple pairs of glasses, but they may not get as dark as sunglasses and may take longer to adjust to changes in light. However, they may be more expensive than traditional eyeglasses or sunglasses, and they may not work well in all environments.

Transition Xtractive Polarized lenses are the best option for people who are frequently exposed to bright light and reflective glare. These advanced transition lenses with unique polarisation technology offer a whole new dimension of visual experience. They combine the benefits of light intelligent lenses and dynamic polarization to give your eyes extra protection in any light situation while also providing sharper vision, more vivid colors, and a larger view outside.

  • Polarization efficiency up to 90%
  • Activates in the car
  • Clear with a slight protective tint Indoors
  • Filters harmful blue light indoors and outdoors by blocking 100% of UVA and UVB rays.

Sunglasses are great for protecting your eyes from the sun’s harmful UV rays. On bright days, they can also aid with glare reduction and improve visibility. However, they can be a hassle to keep track of and may not be suitable for all activities. Sunglasses can provide a darker tint than transition lenses, which can be beneficial in very bright sunlight or for people who are sensitive to glare. Transition lenses offer the convenience of eyeglasses and sunglasses in one, but they may not provide as dark of a tint and may take longer to adjust to changing light conditions.

How to Choose the Right Pair of Transition Lenses or Sunglasses?

Choosing the right pair of lenses is important for your overall eye health and vision. Here are a few tips to help you choose the right transition lenses or sunglasses:

1. Consider your needs. If you only need vision correction for outdoor activities, Transition lenses may be a good option for you. If you also need protection from the sun’s harmful UV rays, look for sunglass lenses that offer both vision correction and UV protection.

2. Talk to your optician. They can help you decide if Transition lenses or sunglasses are right for you and your vision needs.

3. Consider your budget. Transition lenses can be more expensive than regular eyeglasses, but they offer the convenience of not having to carry around two pairs of glasses. Sunglasses can also be less expensive than Transition lenses, depending on the type of sunglass lens you choose.

4. Try them on! Make sure the lenses fit well and are comfortable before making your final decision.


Now you are more equipped to choose the eyewear that is best for you. Our team of experts at City Optik can help you make the right choice for your requirements. Stop by our Opticals in Palakkad, Trivandrum, and Tirur to find the perfect pair of glasses. To locate the best Contact Lens in Kozhikode, visit our store. We also set up a range of fashionable glasses at our other locations in Palakkad, Thalassery, Tirur, and Trivandrum to make it easier for you to visit us. Contact us right away to learn more.