The index of the lens describes the lens’ ability to refract light. The higher the index, the less material is needed to create a lens that will correct the patient’s vision. This translates to thinner and lighter lenses. If you have a higher prescription strength, you may want to consider high-index lenses to reduce the thickness and heaviness of your glasses.

While this may sound like an obvious choice for those with high prescriptions, high index lenses do have drawbacks. The most significant one is that they are not shatter-resistant. Especially for children, this factor should be weighed carefully since children are especially prone to breaking their glasses. Additionally, some patients experience visual distortion due to the way light travels through the lens. However, this can usually be mitigated with anti-reflective coating.

When sun-reactive lenses are exposed to UV light, they turn from clear to dark. The most well-known brand is Transitions, and some people use this brand name interchangeably for all types of sun-reactive lenses. However, it is important to note that there are several other brand options as well. Sun-reactive lenses come with their own array of options including colors, intensity of darkness, and even polarized or mirror effect when darkened.

Although they are similar to sunglasses in their ability to protect your eyes from UV rays, they are not a replacement for sunglasses necessarily. When behind the windows of your vehicle, for example, they will not react to the sunlight. They can be an excellent option though for those who find switching between their eyeglasses and sunglasses cumbersome, or who are light-sensitive.

Anti-reflective coatings reduce the glare on your lenses. Glare is both fatiguing and can make nighttime driving difficult due to the glare of other vehicle’s headlights. The anti-reflective coating will help your eyes from becoming overly tired during the day and will also reduce the halo of oncoming lights at night. Additionally, they will reduce the glare on your lenses visible to others, so your glasses will appear more clear, and others will be able to see your eyes, rather than just your lenses.

The blue light that comes from our many electronic devices is proving to be troublesome to both our health and comfort. Blue light also affects the brain’s ability to begin winding down to sleep, which is why looking at screens in the time before bed can be detrimental to falling asleep. BluTech lenses were developed to mitigate some of the adverse effects of blue light. These are not merely standard tinted lenses, but rather have a melanin injection into the lens material itself, thus filtering out as much as 40% of the blue light we see. This technology makes working on computers both safer and more comfortable for your eyes. Patients who have used BluTech say they feel less tired at the end of a long day of computer work and regularly recommend the lenses to their coworkers.

Introduced in the 1980s, polycarbonate has been the gold-standard of lens materials ever since. It is both UV-protective and shatter-resistant, making it an excellent option for daily wear. It is frequently a “covered” lens material for children due to the shatter-resistance. Unfortunately, it isn’t the most optically clear material, which means the brain has to learn to tune out the distortion created by the material itself. Because of this, we tend to recommend other options that provide a more clear viewing experience.

• SHAMIR AUTOGRAPH INTELLIGENCE™
  New release
  Designed with Artificial Intelligence and based on big data analysis, this unique progressive lens identifies the patient’s visual needs and is tailored to their Visual Age. It is intended for those demanding the most technologically advanced, precisely personalized lenses.
• SHAMIR AUTOGRAPH IIID™
  Shamir Autograph IIID™ is a premium progressive lens developed on the basis of precise measurement of individual prescriptions and simulation of perceived, real-world viewing fields, to deliver clear vision, with seamless gradation across all vision zones.It is intended for those demanding the best lenses to optimally accommodate every individual prescription.
• SHAMIR AUTOGRAPH URBAN ™
  A soft progressive lens that provides optimal visual clarity from the first moment it’s worn, and when shifting vision between the near and intermediate vision zones characteristically focused on in fast-paced urban environments, all while fully preserving far vision integrity. The ideal lens for first time progressive lens wearers requiring the ability to dynamically yet comfortably focus on objects in multiple nearby, intermediate, and far vision zones.
• SHAMIR SPECTRUM+™
  An ergonomic everyday lens that delivers strong personalization to customers’ individual reading posture and improved visual experience in both near and far vision zones. Ideal for those requiring visual clarity and comfort across all zones and specifically when reading and focusing on nearby objects.
• SHAMIR ATTITUDE III SPORT™
  Shamir Attitude III Sport is prescription-tailored to deliver clear undistorted vision in curved sports lenses, specifically in the zones characteristically focused on by people engaged in sports and in active lifestyles. It features an outstanding soft design and ensures clear and stable vision in crucial zones.
• SHAMIR ATTITUDE III FASHION™
  Shamir Attitude III Fashion is precisely tailored to the individual prescriptions and dynamic vision zones of customers engaged in a modern lifestyle. It ensures a clear, undistorted visual experience outdoors, in sunglass frames of any size and curvature.
• SHAMIR FirstPAL™
  The First Step In Progressive Lenses
  It’s common for new presbyopic patients to put off getting progressives and instead buy a pair of OTC Readers. But why keep them from adjusting to the world of progressive lenses when there’s a solution specifically for new presbyopes, requiring a low add? With Shamir FirstPAL™, we’ve designed a progressive solution that takes into account the adaptation struggles new presbyopes face.
• SHAMIR DUO™
  With Shamir Duo, customers can enjoy the benefits of progressive lenses in a bifocal format customized to their visual needs and aesthetic preferences. Duo overcomes the challenges of traditional bifocal lenses by eliminating the highly visible upper and lower lens segment separation line.

• SHAMIR RELAX™
  Shamir Relax is an advanced single vision lens available in 3 versions, providing just the extra bit of power in the lower lens area for added visual comfort in the 40-to-70-centimeter digital display viewing zones. The lens helps overcome the accommodative challenges of today’s use of digital screens.
• SHAMIR MILLENNIUM ™
  Shamir Millennium is a real-world solution designed to improve the visual experience of gamers and keep their eyes safe while retaining high visual comfort. These lenses allow complete monitoring of the game scenes, with an increase in the field of vision and in the perception of details – leading to competitive advantages.
• SHAMIR SV III AS-WORN ™
  SHAMIR SV III As Worn offers single vision patients two breakthrough benefits – lenses that are ultimately personalized to the individual prescription, as well to frame choice. By applying the most advanced optics technologies to the SV lens, Shamir provides single vision patients today’s sharpest, most comfortable visual experience.
• SHAMIR SMART SV ™
  Shamir Smart SV is an extremely flat, high-performance SV lens with excellent optical properties, offering crisp clear vision. It is personalized to individual prescriptions and offers single vision eyeglass wearers a comfortable vision experience exactly where they require it.
• SHAMIR ATTITUDE III SV ™
  This SV sunglass lens has an expanded base curve range, to support an endless variety of fashion and sports frames, flat or wraparound, and to suit any lifestyle. It provides full clarity, with As-worn Quadro technology guaranteeing that visual comfort and acuity precisely match the desired viewing experience established in optometrist measurements.

• ZEISS Single Vision SmartLife Young lenses
  Specially designed for growing children and supported by ZEISS SmartView 2.0 technology and ZEISS Dynamic Agefit technology. ZEISS Single Vision SmartLife Young lenses are based on the dynamic visual behaviour and individual age-related vision needs of your young customers.The best ZEISS RX lenses for children with up to 60% wider fields of view compared to ZEISS Single Vision Stock lenses.³Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
• ZEISS Single Vision SmartLife lenses
  Supported by ZEISS SmartView Technology, based on applied research of today’s lifestyle, visual behaviour and individual age-related visual needs. The first ZEISS single vision lenses optimised for both distance and near vision.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
• ZEISS Single Vision SmartLife Individual 3 lenses
  These individualised lenses are perfectly adapted to your customers' needs. It incorporates ZEISS SmartView Technology and it's optimised for distance and near vision. It considers the individual face measurements for the frame position.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
• ZEISS Single Vision DriveSafe lenses
  These all-purpose lenses incorporate ZEISS DriveSafe Technology and a specialised coating to meet the vision needs of people who want to feel safer and more comfortable when driving, especially at night.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74
• ZEISS Single Vision DriveSafe Individual lenses
  These lenses unlock the full potential of 3D vision. Powered by ZEISS DriveSafe Technology, it features a specialised coating to support night-time driving. The customer’s position of wear parameters can also be individualised for better vision.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74
• ZEISS Single Vision Superb lenses
  Advanced freeform technology allows more precision compared to conventional single vision lenses, creating clear vision and sharp focus across the entire lens surface.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Polycarbonate 1.59
• ZEISS Single Vision Individual lenses
  For tailor-made vision. Our ZEISS Individual lenses are customised freeform single vision lenses, precisely tailored to the needs of each individual wearer. The individualisation is symbolised by the personal engraving on the lens. ZEISS Individual Single Vision lenses take the wearer's position of wear parameters into account in the manufacturing process.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Polycarbonate 1.59
• ZEISS Single Vision EnergizeMe lenses
  The first spectacle lenses designed to refresh eyes after prolonged periods of contact lens wear. The unique combination of a new lens design, innovative technology and a high-quality coating helps tired eyes to relax. In addition, it prevents eye strain caused by digital devices.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74
• ZEISS ClearView RX Lenses
  Bringing ZEISS optical excellence and freeform lens designs into standard RX single vision lenses. Flatter, thinner and improved optics in Single Vision Lenses with a very wide range of prescriptions and diameters.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Polycarbonate 1.59. Including UVProtect, BlueGuard, PhotoFusion X, Polarised, AdaptiveSun, Tinted. All coating options available.
• ZEISS Single Vision Sph lenses
  Thanks to its spherical design, ZEISS Single Vision Lenses are often prescribed to correct ametropia; or it is used as single vision reading glasses. This lens design offers good optical performance for low prescriptions.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Trivex 1.53
• ZEISS Single Vision AS lenses
  Single vision lens with an aspheric surface design. It displays a flatter front curvature and excellent visual quality. It is visibly flatter and thinner than a ZEISS Single Vision Sph lens with the same power, especially in the plus range. ZEISS Single Vision AS is recommended for lens wearers with high prescriptions.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
• ZEISS ClearView FSingle Vision lenses (Freeform Technology)
  With ZEISS ClearView FSingle Vision Lenses, wearers can experience excellent vision clarity from the lens centre to the periphery. The lenses are flatter, thinner, and more attractive than conventional FSingle Vision lens designs that rely on steeper base curves to provide acceptable optical performance with the widest range available in ZEISS FSingle Vision.
  Available in: Plastic 1.5, Plastic 1.56, Plastic 1.6, Plastic 1.67, Plastic 1.74, Polycarbonate 1.59. Including UVProtect, BlueGuard, PhotoFusion X. Coating options available: DVP, DVBP, DVS, DVC.
• ZEISS Single Vision FSingle Vision lenses (SPH and AS)
  ZEISS offers a wide range of finished single vision lenses to adress the wearer's needs. They offer a speedy delivery and proven ZEISS quality.
  Available in: 1.74 and 1.67 DuraVision Platinum is ideal for high prescriptions, 1.6 DuraVision Platinum is ideal for medium prescriptions, 1.5 DuraVision Platinum is ideal for low prescriptions
• Standard - Spherical (SPH) Single Vision lenses
  Optimised by using only one free parameter in the lens radius.
  Peripheral rays are more strongly refracted than rays at lens centre (spherical aberrations) resulting in optical compromise.
  Any acceptably flat lens results in peripheral blur for the wearer.
• Good - Aspherical (AS) Single Vision lenses
  Optimised by using five free parameters in one meridian.
  One aspherical surface, usually on the front, but the back surface remains a simple toric (two spheres at 90°).
  Provides optics similar to SPH, while improving on flatness.
  When sph and cyl power increase, the same constraints result in increasing optical errors.
• Better - Double Aspherical (DAS) Single Vision lenses
  Optimised using nine free parameters in two perpendicular meridians and blended in between.
  Replaces the toric back surface of an AS with two aspherical shapes perpendicular to each other (atoric).
  Improvement on an AS design, but blended area still compromises the optics.
• Best - Freeform Single Vision lenses
  Point-by-point lens design optimisation using 700 free parameters for a highly complex lens surface.
  The result is an Single Vision lens that is both very flat and thin and achieves excellent optics – with clear viewing from the lens centre to the periphery.

• ZEISS SmartLife Digital Lenses
  Supported by ZEISS SmartView Technology, based on applied research of today’s lifestyle, visual behaviour, and individual, age-related visual needs.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
  Additions available: +0.50, +0.75, +1.00 & +1.25
• ZEISS SmartLife Digital Individual Lenses
  These individualised lenses are perfectly adapted to the wearer’s individual parameters and needs. It is also optimised for distance and near vision, and incorporates ZEISS SmartView Technology based on applied research of today’s lifestyle, visual behaviour, and age-related visual needs.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
  Additions available: +0.50, +0.75, +1.00 & +1.25
• ZEISS EnergizeMe Digital Lenses
  The first digital lenses made for refreshing the eyes after wearing contact lenses. It offers your customers an excellent combination of a unique lens design, innovative technology and a high-quality coating. These digital lenses are ideal for those who experience eye fatigue from contact lens wear. It helps tired eyes to relax, and can prevent eye strain caused by digital devices.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74
  Addition available: +0.65D
• ZEISS Standard Digital Lenses
  Advanced freeform technology allows more precision compared to conventional single vision lenses, leading to clear and sharp vision over the entire lens.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
  Additions available: +0.50, +0.75, +1.00 & +1.25
• ZEISS Digital Individual Lenses
  For tailor-made vision. A customised freeform digital lens, precisely tailored to the needs and eyes of each individual customer. The individualisation is symbolised by the personal engraving on the lens.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
  Additions available: +0.50, +0.75, +1.00 & +1.25

• ZEISS SmartLife Progressive Pure Lenses
  Designed for frequent changes of head and eye position. These progressive lenses are based on the way people look at their handheld devices while on the move. Incorporates ZEISS SmartView Technology.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74
  Additions available: +0.75D to +4.00D
• ZEISS SmartLife Progressive Plus Lenses
  These progressive lenses are perfectly adapted to the wearer's frame of choice, using ZEISS SmartView Technology.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Glass 1.6, Glass 1.8
  Additions available: +0.75D to +4.00D
• ZEISS SmartLife Progressive Superb Lenses
  These individualised lenses are perfectly adapted to the customer’s frame of choice and fitted to their facial anatomy. It incorporates ZEISS SmartView Technology.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Glass 1.6, Glass 1.8
  Additions available: +0.75D to +4.00D
• ZEISS SmartLife Progressive Individual Lenses
  These individualised progressive lenses are perfectly adapted to the customer's frame of choice, facial anatomy and dynamic viewing needs. It also incorporates ZEISS SmartView Technology.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Glass 1.6, Glass 1.8
  Additions available: +0.75D to +4.00D
• ZEISS Progressive Precision Pure Lenses
  Fast focus and good dynamic vision all day long. Suitable for using different media from closer reading distances to further distances.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Glass 1.6, Glass 1.8
  Additions available: +0.75D to +4.00D
• ZEISS Progressive Precision Plus Lenses
  Suitable for all customers with a near addition who want sharp vision at any distance. These lenses allow for an unlimited choice in glasses frames, and the lens adaptation time is fast.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Glass 1.6, Glass 1.8
  Additions available: +0.75D to +4.00D
• ZEISS Progressive Precision Superb Lenses
  Suitable for all customers with a near addition, who would like to have better vision in their daily activities. Lens solutions to maximise visual performance at any distance, however unique the facial anatomy is.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Glass 1.6, Glass 1.8
  Additions available: +0.75D to +4.00D
• ZEISS Progressive Individual 2 Lenses
  Suitable for all customers with a near addition who would like the best natural vision for their unique lifestyle and needs. These progressive lens solutions are tailor-made and underline the individuality of your customers and their lifestyle.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53, Glass 1.6, Glass 1.8
  Additions available: +0.75D to +4.00D
• ZEISS DriveSafe Progressive Lenses
  Incorporating our ZEISS DriveSafe Technology and a unique driving coating for better vision in low-light conditions. These progressive lenses reduce glare at night and offer accurate vision of the road, dashboard, rear-view mirror and side mirrors.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
  Additions available: +0.75D to +4.00D
• ZEISS DriveSafe Progressive Individual Lenses
  Includes all the benefits of ZEISS Progressive DriveSafe Lenses with the added advantage of individualised wearer parameters.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
  Additions available: +0.75D to +4.00D
• ZEISS EnergizeMe Progressive Lenses
  The first spectacle lenses made for refreshing the eyes after contact lens wear. EnergizeMe Progressive Lenses are a unique combination of lens design, innovative technology and a high-quality coating. They help eyes tired from contact lens wear to relax and refresh, reducing eye strain caused by digital devices.
  Available in: Plastic 1.5, Plastic 1.6, Plastic 1.67, Plastic 1.74, Trivex 1.53
  Additions available: +0.75D to +4.00D