Selecting Your Lenses

Lens Types

Frame Only

          This option is for ordering a frame without lenses or with the ‘demo’ lenses. Demonstration lenses are only placeholders and will need to be replaced with optical quality lenses provided by a reputable optical store. In the case of sunglasses, the lenses will be tinted as they are shown and can be worn as they come. 

Single Vision

          Single vision lenses are designed to correct vision for a specific focal point, meaning they address only one type of refractive error across the entire lens surface. If a person is nearsighted (myopic), their lenses will be concave (minus-powered) to help them see distant objects clearly by diverging incoming light before it reaches the eye. On the other hand, if they are farsighted (hyperopic), their lenses will be convex (plus-powered) to help focus light properly for clearer distance vision. Some people require single vision lenses for intermediate distances, such as computer use, where their prescription is adjusted to provide clear vision at arm’s length. Others may need single vision lenses for reading or other close-up tasks, especially as they age and develop presbyopia, a condition where the eye’s natural ability to focus on near objects diminishes. Unlike multifocal lenses, which contain different prescription powers in various sections, single vision lenses maintain a uniform prescription throughout, making them ideal for people who only need correction for one range of vision rather than multiple.

Progressive

          Progressive lenses are a type of multifocal lens designed to provide a seamless transition between multiple prescriptions, allowing wearers to see clearly at varying distances without the visible lines found in bifocals or trifocals. These lenses are primarily used to correct presbyopia, a natural age-related condition that affects near focusing ability. Unlike single vision lenses, which have the same prescription across the entire lens, progressives feature a gradual change in power from the top to the bottom. The upper portion of the lens is designed for distance vision, the middle section allows for clear intermediate vision (such as computer screens or dashboards), and the lower portion is optimized for near vision, making tasks like reading easier. The absence of distinct segment lines creates a more natural visual experience, reducing the abrupt jumps in focus that occur with bifocals or trifocals. However, progressives do require some adaptation, as the wearer must learn to adjust their gaze slightly to find the correct viewing zone for different distances. With advancements in lens design, modern progressive lenses offer wider, more comfortable viewing areas and reduced distortion in peripheral vision, making them an excellent solution for those who need multifocal correction without compromising aesthetics or functionality.

Lens Materials

1.50 (CR-39) Lenses

          CR-39 lenses, also known as standard plastic lenses, have a refractive index of 1.50. They are one of the most common and affordable lens materials available. These lenses offer good optical clarity and are lightweight compared to glass, but they are relatively thick, especially for higher prescriptions. Due to their lower impact resistance, they are not ideal for safety or sports eyewear, though they can be enhanced with coatings like anti-reflective and scratch resistance.

1.59 (Polycarbonate) Lenses

          Polycarbonate lenses, with a refractive index of 1.59, are known for their durability and impact resistance, making them a top choice for safety glasses, children’s eyewear, and sports frames. They are thinner and lighter than CR-39 lenses and naturally include UV protection, reducing the need for additional coatings. However, polycarbonate lenses have slightly lower optical clarity compared to other high-index options and are more prone to scratches if not coated with a scratch-resistant layer.

1.60 (High-Index) Lenses

          Lenses with a 1.60 refractive index offer a balance between thinness, durability, and optical clarity. They are about 25% thinner than CR-39 lenses and provide a sleeker look, making them a good option for moderate to high prescriptions. They also block UV rays and are generally more impact-resistant than standard plastic, though not as tough as polycarbonate. Additionally, 1.60 lenses have better optical clarity than polycarbonate, making them a preferred choice for those who want thinner lenses without compromising vision quality.

1.67 (High-Index) Lenses

          These high-index lenses are even thinner and lighter, reducing the bulkiness that comes with stronger prescriptions. They are about 30–40% thinner than CR-39 lenses, making them ideal for people with high myopia or hyperopia who want a more cosmetically appealing lens. While they offer excellent optical clarity, they have a slightly higher level of chromatic aberration compared to 1.60 lenses, which may cause minor color fringing at the edges. Due to their thin nature, they are often recommended for full-rim or semi-rimless frames to prevent breakage.

Lens Coatings

Hard Coating

          A hard coating, also known as a scratch-resistant coating, is applied to lenses to improve their durability and resistance to minor abrasions. While no lens is completely scratch-proof, this coating helps protect against everyday wear and tear, such as cleaning with improper materials or accidental drops. Hard coatings are especially beneficial for plastic and polycarbonate lenses, which are more prone to scratches compared to high-index lenses. All of our lenses come with a hard coating by default to provide durable, long-lasting eyewear.

Anti-Reflective (AR) Coating

          Anti-reflective coating, or AR coating, reduces glare and reflections from light sources, enhancing both vision and aesthetics. By minimizing reflections from overhead lighting, digital screens, and headlights, AR coating improves contrast and clarity, particularly for night driving and prolonged computer use. Additionally, it makes lenses appear almost invisible, reducing glare in photos and improving eye contact. Modern AR coatings also come with hydrophobic and oleophobic properties, making them resistant to water, smudges, and dirt for easier cleaning.

AR + Blue Light Filter Coating

          Blue light coating is designed to filter out a portion of high-energy visible (HEV) blue light emitted from digital screens, LED lighting, and sunlight. This coating helps reduce digital eye strain, which can cause symptoms like eye fatigue, headaches, and disrupted sleep patterns due to prolonged screen time. While not necessary for everyone, blue light coatings are particularly beneficial for those who work on computers for extended hours. Some blue light coatings have a subtle yellowish or blue tint, but many modern versions maintain a nearly clear appearance for a more natural look.

Lens Tints

Photochromic Lenses

          Photochromic lenses darken when exposed to UV light and return to a clear state indoors. These lenses provide convenience by eliminating the need to switch between regular glasses and sunglasses, making them ideal for people who frequently move between indoor and outdoor environments. Modern photochromic lenses react faster to changing light conditions and are available in various colors, including gray, brown, and even blue or green. However, they may not darken as effectively inside a car because most windshields block UV rays, which trigger the lens activation.

Polarized Lenses

          Polarized lenses are designed to reduce glare from reflective surfaces like water, roads, and snow, providing clearer and more comfortable vision in bright outdoor conditions. They work by filtering out horizontal light waves that cause glare, making them an excellent choice for activities such as driving, fishing, boating, and skiing. Unlike standard tinted sunglasses, polarized lenses enhance contrast and reduce eye strain, making colors appear more vibrant. However, they may not be ideal for certain digital screens or LCD displays, as polarization can interfere with visibility, making some screens appear dim or distorted.

Lens Polishing

          Lens edge polishing is a finishing process applied to the edges of prescription lenses, particularly high-index or rimless lenses, to improve their appearance and smoothness. When lenses are cut to fit a frame, the edges can appear rough, matte, or slightly uneven. Polishing enhances the clarity and smoothness of these edges, giving them a glossy, transparent, or slightly reflective finish. This process is especially popular for rimless or semi-rimless frames, where the edges of the lenses are fully or partially exposed.

Orders

Processing

          We aim to have prescription glasses completed and shipped within 10-14 business days from the time your order is received. Some orders may take a little longer depending on complexity and availability, but we will provide regular updates in those cases. If you wish to receive an update on your order, please email us at contact@lensotic.com When your order is shipped, we will provide a tracking number for the shipment. 

Return Policy

          We offer a 30-day, moneyback guarantee on all orders. If you are unsatisfied with your order and wish to return your glasses, email us at returns@lensotic.com to start your return. Please provide your order number and reason for the return.