How to Choose Lens?

1 Determin what lens usage you'll need.


If you require clear vision for distant objects, you may want to consider "single vision" lenses designed for distance.


If your needs are for close-up tasks such as reading, "single vision" lenses for reading may be more suitable.


If you require vision correction for both near and far distance simultaneously, you may try bifocals also. It's worth noting thatbifocals have a distinct line for distance compared to progressive lenses.


If you require vision correction for both near, middle and far distance simultaneously, progressive lenses are a great option.


If you don't require any vision correction and simply desire clear lenses, you can select "non-prescription" lenses for your eyewear.

2 Determin what vision type you'll need.

Clear Lenses

If you do not any special functional lenses, then you may go for clear lenses directly. Also, to enhance the dualibity of the lenses and deduce the lenses weight, we have 1.59 index Polycarbonate lenses for customers to choose.

Antiblue Lenses

Choosing antiblue lenses is such a normal thing if you need to spend more than 8 hours a day for digital screens. As esposed to harmful blue light will cause eye strain, headache and unqualified sleep. Plus, to avoid the annoying fog confronting the hot coffee, we specialy prepare the antifog coatings to help you get rid of it.

Sunglasses: Tinted Lenses

Sunglasses, offering a blend of clear vision and personalized colors, are a powerful tool for self-expression in any setting. At Sllac, we offer five tint options, including standard, popular, blush, gradient, and mirrored tints, with over 50 unique colors to choose from. Explore distinctive shades like dark gray, lace pink, sky blue, and mirrored green in our collection.

Photochromic Lenses

Photochromic lenses are used to change lenses conditions clearly. These lenses contain special molecules that react to ultraviolet (UV) rays from the sun, causing them to darken when exposed to bright sunlight and return to a clear state indoors or in lower light conditions.

Transitions Lenses

Compared to photochromic lenses, Transition lenses respond swiftly to UV exposure, ensuring a quicker transition between clear and tinted states. This dynamic feature enhances eye comfort and reduces the need for frequent lens changes, offering a convenient and versatile eyewear solution.

Polarized Lenses

Polarized lenses are particularly popular for activities like fishing, driving, and skiing, where glare reduction and improved contrast are crucial. Additionally, our polarized lenses also offer built-in UV protection, safeguarding your eyes from harmful ultraviolet rays and contributing to long-term eye health. Furthermore, at Sllac, we offer a selection of night driving lenses to cater to your specific needs.

Night Driving Lenses

Compared to polarized lenses, specifically designed for daytime glare reduction, Night Driving Lenses prioritize contrast and clarity during dusk and darkness, promoting sharper vision without compromising on eye comfort. This specialized lens technology provides a dedicated solution for optimal visual performance during night drives.

3 Determin what lens package you'll need.

Q: How do I choose the lenses package/index?

A: The choice of lens index depends on your prescription. Higher index lenses are thinner and lighter, making them ideal for stronger prescriptions, while lower index lenses are suitable for weaker prescriptions. For additional guidance, you can refer to the Correction Ranges listed abrove.

A: 1.61 index lenses offer a thinner and lighter profile compared to 1.59 index lenses for identical prescriptions. In contrast, 1.59 PC index lenses prioritize durability and shatter resistance, making them an excellent choice, especially for children and adults in need of enhanced eye protection.

A: Slla Lens package contains lens and lens coatings, ensuring a smooth and straightforward lens selection process for our customers. With just a few clicks, customers can effortlessly complete their lens selection.

A: If your chosen lens package does not include a super hydrophobic coating, you can proceed with your order and reach out to us at with your order number. We will promptly provide you with a payment link for the $4.95 coating to ensure you can add this feature to your lenses.

A: With stronger prescriptions, lenses tend to be thicker, potentially extending beyond the frame rim and affecting the overall appearance from the side. Thicker lenses can also create discomfort on the nose, leading to an unpleasant wearing experience. For strong prescriptions, we highly recommend 1.74 index lenses to address these concerns.

A: At Sllac, we consistently offer our "Buy More, Save More" promotion, allowing you to save up to 25% on both frames and lenses (excluding discounted items). Enjoy 10% off orders of $39+, 15% off orders of $59+, 20% off orders of $99+, and a generous 25% off orders of $169+ when you use the code "save25" on our promotion page: