If you have questions about purchasing prescription motorcycle sunglasses, you have come to the right place. In the guide, we will explain to you the steps needed to purchase prescription riding eyewear,
Following is a diagram which explains how to read your prescription:
The “PD” or Pupilary Distance is required for all single vision, bifocal and progressive lenses orders. If you do not have your PD #, please call your optometrist, or whomever made your glasses last. You can also easily measure the PD with a partner, or by yourself too. Here’s how:a. Put on your daily eyeglasses. Look at a partner eye to eye.
b. Using a permanent marker such as a Sharpie or a dry erase marker, have your partner dot each eyeglass lenses directly where the centre of your pupils are. If you do not have a partner, you can look into the mirror with your glasses on (stand about 1 to 2 feet from the mirror) and dot each lens yourself. Do this for both the left and right lenses. Try to keep the dots fairly small. For accuracy, do not rush through this step. Sharpie ink can be removed with tissue and rubbing alcohol.
c. Set a ruler on a table and position the left dot of the left lens on 0 mm. Measure the distance between the dots from the left to the right dot in millimeters. It should be a number between 55 and 70 mm.
Standard or Traditional Single Vision Lenses: Single Vision Lenses have the same vision correction over the entire lens. Standard Lenses are primarily used for casual frames with flatter lenses. Bikershades always recommends digital free form lenses for best optics, however, standard lenses are acceptable for wrap frames up to +/- 1.75 on the Sphere power.
Premium Digital Free Form Single Vision Lenses, (Biker Recommended): Also known as High Definition or Free Form Lenses, Digital Lenses are specifically designed for base 6 to 8 curvature lenses, common in high wrap frames. Digital lenses take into consideration how the frames are actually shaped and how they fit. Unlike “casual” frames, high wrap frames possess the following three differences: a more aggressive frame wrap, higher degree of frame tilt, and a shorter distance from the eye to the lens. Without compensating for these three differences, the Rx lens may result in unwanted astigmatism, causing blurry vision, dizziness, and loss of peripheral vision.
Digital lenses are optimized with computer-controlled surfacing equipment that is much more precise than conventional tools. Digital lenses are surfaced in power increments of 0.01 diopter (D), compared with 0.125 to 0.25 D increments with conventional tooling. So, digital lenses deliver superior clarity for each unique prescription for exceptional performance for single vision lens wearers.
Digital Free Form Progressive Lenses: Bikershades only offers premium DIGITAL progressive lenses. If you are shopping around, make sure to ask if the lenses are digital before you purchase! If you are currently wearing bifocals, have difficulty reading small print, or have an “Add Power” listed on your prescription, you may need progressive lenses. Please note that you are not required to wear progressives or bifocals if you only want single vision lenses. Unlike bifocals, progressives offer an even transition from distance to near vision (without any visible lines on the lens); allowing the wearer to view all short, intermediate and far distances. Progressives restore clear and accurate vision at all distances, without the need to change glasses constantly.
For eye safety, prescription motorcycle glasses require impact resistant lenses made of polycarbonate or trivex. Plastic is definitely not recommended because plastic can easily shatter.
Polycarbonate (Biker Recommended): Polycarbonate is a tough, versatile polymer used for bulletproof windows, helmet visors and compact discs (CDs). If you have ever tried to break a CD, you know how tough polycarbonate can be! Normally polycarbonate is an added upgrade, but Bikershades includes polycarbonate without additional charge! The advantages of polycarbonate include:
Trivex (Biker Recommended): Trivex lenses offer superior optics and impact resistance compared to any other lens material. As far as clarity goes, they are the closest alternative to glass, which is the clearest medium on the planet. Advantages of Trivex include:
This video above shows the results of drop tests performed by Younger Optics on CR-39, Spectralite, 1.60, Polycarbonate, and Trivex Trilogy lenses.
CR-39 Plastic, Polycarbonate and Trivex Lenses immersed in Acetone for 10 minutes. Notice how Trivex retains its clarity compared to plastic and polycarbonate.
Choose your type of lenses depending on the time of day you ride the most. If you ride both in the day and the night, choose Transitions. If you ride only in the day, we recommend polarized lenses to filter out the most light and blinding glare.Transitions Signature w/ Chromea™ 7 technology – NEW!: Most responsive Transitions lens, so they change much faster when lighting conditions change like riding in and out of tunnels, riding in shadows, riding towards or away from the sun, or walking indoors or outdoors.
Polarized Lenses: Eliminates glare off shiny surfaces such as chrome, water, mirrors, etc. Clarifies and sharpens vision. Once popular only with fishermen, polarized lenses also benefit bikers, golfersand anyone who drives. Polarized lenses offer a clearer view by reducing glare from flat reflective surfaces such as the lake or the hood of a car.
As sunlight bounces off a horizontal surface such as the road or hood of car, the reflected light travels in a horizontal direction rather than being scattered in all directions. Sunlight bouncing off a horizontal surface creates an annoying and perhaps dangerous intensity of light, which we refer to as glare, Polarized lenses containmicroscopic vertical stripes on the surface of the lens which filters out the horizontal rays, or glare.
Solid Tints:Dark Smoke: Good for general purpose use. They are dark enough to provide overall protection with true color perception, and also reduce glare, especially off water. Good for driving, baseball, tennis, football, soccer, water sports, and all otheroutdoor activities. Great variable weather tint for sunny or overcast days.
Dark Brown: Improves contrast and contains a red element to enhance depth perception. Excellent for golf, tennis, high-altitude sports, fishing, boating/sailing, or any sport where distance needs to be judged. Can be used for partly cloudy to sunny conditions.
G-15 Smoke/Green: Emphasizes colors our eyes see most easily (green and yellow) and de-emphasizes less noticeable colors (red and blue). The G-15 lens absorbs 85% of visible light, and transmits only 15%. The G-15 lens results in more natural vision – true colors that are easy on the eye.
Copper HD: Improves contrast and contains a red element to enhance depth perception. Good for golf, tennis, high-altitude sports, fishing, boating/sailing, or any sport where distance needs to be judged. Can be used for partly cloudy to sunny conditions
Yellow: Provides greater clarity in fog, haze, and other low-light conditions and filters out blue light that can make focusing difficult. Good for skiing, mountain biking, hunting, aviation, tennis, and target shooting. Good for dawn and dusk. Also good in foggy or hazy conditions.
Clear: Great for night riding. When combined with an anti-reflective coating offers the ultimate night riding experience by drastically reducing the halo effect around lights at night.
Green: Transmits all colors evenly, good for general purpose use, dims glare while brightening shadows. It is good for all outdoor activities and can be used rain or shine.
Blue: Fashionable and cosmetically appealing. Reduces glare, helps to see contours, and improves color perception. Can be used for spectator sports and golf. Good in misty, foggy and snowy conditions
Rose: Enhances visual depth and provides good road visibility. Helps adjust contrast, comforting the eyes, so it reduces eye strain. Can be used for cycling and racing. Good in most weather conditions, especially in snow
Anti-Reflective (AR) Coating – AR coatings block reflected light, which results in a reduction in glare, annoying reflections and halos around lights at night. They reduce the glare that you see, as well as the glare that others can see on your lenses, so your eyes are more visible to others.
Choose from TWO types:
a) Classic A/R Includes:
b) Elite A/R includes:
Mirror Coating: highly reflective coatings applied to the front surface of lenses to reduce an additional 10% – 60% of light entering the eye. This makes them especially beneficial for activities in very bright conditions. The color of a mirror coating is a purely cosmetic decision. Solid mirrors not recommended with Transitions; flash mirrors are fine.