Treatments

Light-adjusting lenses, darkening in sunlight for UV protection.

Lens transitions, also known as photochromic lenses or adaptive lenses, are eyeglasses that automatically darken when exposed to ultraviolet (UV) light and lighten back up in regular or indoor lighting conditions. They offer the convenience of combining sunglasses and regular eyeglasses into one lens.

How Lens Transitions Work:

The secret behind lens transitions lies in photochromic molecules embedded within the lens material. These molecules undergo a chemical reaction when exposed to UV light. This reaction causes the molecules to change shape, absorbing more visible light and making the lenses appear darker. Once you move away from UV light, the molecules revert to their original shape, allowing more light to pass through, and the lenses lighten back up.

Benefits of Lens Transitions:

• Convenience: Transition lenses eliminate the need to carry and switch between separate eyeglasses and sunglasses. They adapt to changing light conditions throughout the day, offering UV protection and comfortable vision outdoors and clear vision indoors.
• Eye Protection: Transition lenses block 100% of UVA and UVB rays, protecting your eyes from sun damage that can contribute to cataracts and other eye problems.
• Reduced Eye Strain: Transition lenses can help reduce eye strain by automatically adjusting to varying light levels, providing a more comfortable visual experience.
• Versatility: Transition lenses are suitable for various activities, from driving and spending time outdoors to working at a computer or reading indoors.

Types of Transitions Lenses:

Transition lenses come in a variety of materials, colors, and activation speeds. Here's a basic breakdown:

• Materials: Transition lenses are available in plastic, polycarbonate (impact-resistant), and Trivex (lightweight and impact-resistant) materials.
• Colors: Transition lenses can be clear indoors and come in various tint options for different levels of sun exposure.
• Activation Speeds: The speed at which the lenses darken and lighten can vary depending on the lens material and technology. Some lenses activate and deactivate faster than others.

Things to Consider:

• Transition lenses may not darken as significantly in very cold temperatures.
• Transition lenses won't darken behind car windshields due to the filtering effect of windshield glass.
• If you spend a lot of time indoors or primarily use your glasses at night, transitions lenses may not be the best choice.

Overall, lens transitions are a valuable option for people who want the convenience of an all-in-one lens solution with built-in UV protection. They can be a practical and stylish choice for everyday wear.