This means that a person can see the object clearly at 20 feet. Generally, it will range from +0.75 to +3.00 D and will be the same power for both eyes. 'Sphere' is basically a measure of how strong your prescription needs to be. | Cylinder power is always written after sphere power in an eyeglass prescription. Please note you can also upload a copy of your prescription during checkout and our Optometrist will check it against what you have entered on your order and you will be notified if there are any discrepancies. If youre looking for eyeglasses that can bend without breaking, look great and enhance your vision all at o My manafest refraction test was -50 -50 110 + 250, But my rx reads -50 sph axis +250. What is a contact lens eye exam and fitting? What does SPH DS mean? When people talk about their eye degree or power, they are usually referring to their SPH value. Axis: An axis number will also be included if you have an astigmatism. In AXIS, the lens meridian plays an important role. The number 90 means the vertical meridian of the eye and the number 180 means the horizontal meridian. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Specific parts of Rx: To expand on dr. Proffitt's answer, sph = sphere; if this is a negative number, the prescription is a myopic or nearsighted prescription and a positive number dictates a farsighted or hyperopic prescription. If your prescription includes a BVD, it is important that the lenses sit at the correct distance to ensure comfortable vision. Sphere, often written as SPH, means that the correction for nearsightedness or farsightedness is spherical, equal in all meridians of the eye. Cylinder is the indication of the lens power amount that is basically needed for the eyes disease named astigmatism (blurred vision). The numbers on your eyeglass prescription describe precisely how your glasses lenses should be cut. This indicates that your lens should be shaped to correct near vision. There are occasions where your optician will write out your complete "Distance" prescription followed by your complete "Near" prescription. In its simplest form, a prescription for glasses will feature a table with two rows and three columns. The number appearing in this section of the prescription is always a "plus" power, even if it is not preceded by a plus sign. Some eyeglass prescriptions may require a PD (pupillary distance) measurement. Below is a standard NHS prescription that has been written as two full lines of prescription: You can edit the form by clicking the link Need Help? How to Measure your PD(Pupillary Distance), Choosing the Best Frames for Progressives, How to Replace Lenses in a Full-Rim Frame, How to Replace Lenses in a Half-Rim Frame. What does SPH mean for glasses? You may find a number listed which helps determine the amount of lens power that is needed to correct astigmatism. Copyright 2022 VisionCenter.org. Warby Parker has stylish, high-quality frames at affordable prices. If in doubt just enter your prescription as you see it, if youre not sure what type of lenses are suitable, hover your mouse over the question mark next to the lens type to reveal more detailed information about the product. Inter, Inter Add, Int Add, Int, Intermediate Addition- These all relate to your intermediate addition and are used to make glasses for intermediate distance use. "How to Read Your Eyeglass Prescription. When no correction for SPH is required the optician will write "Plano", "", "0.00" or just leave the space blank. There are two vision conditions, nearsightedness, and farsightedness. The axis is defined with a number from 1 to 180. SPH, or sphere, refers to the amount of correction needed for nearsightedness or farsightedness. The SPH number on a glasses prescription is listed as a positive (+) or negative (-) number. The cylinder is the amount of power change from the sphere in one meridian. Like SPH and CYL, optometrists measure ADD in increments of 0.25 diopters. Can someone help me out here? Remember, eyeglasses prescriptions are different than prescriptions for contact lenses. What does that mean. It is used to correctly orientate the cylinder correction when making your glasses. The measurement is Prism Dioptre. For a full 12 months from dispatch date we will repair or replace any frames with a manufacturing fault. In SPH, the minus sign is an indication of which condition? Diopter is the measurement used for the strength of eyeglass lenses. OD is short for the Latin term oculus dexter which means right eye. All frame measurements can be found in the details tab on our product pages. All transactions are secured with the latest SSL technology, verified by Amazon. The three columns (from left to right) refer to Sphere (SPH), Cylinder (CYL) and Axis. When you hold the prescription, have you ever been curious to know what the number and letters mean for your eyesight? In other words, because eyeglasses and contact lenses have different distances from your eyes, the amount of correctionneeded is also different. If nothing appears in this column, either you have no astigmatism, or your astigmatism is so slight that it is not really necessary to . When you enter your prescription during checkout, please select "Not Applicable" for all Cylinder and Axis fields, thank you. Most of our prescription orders take about three days to complete. This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. This is the amount of prismatic power, measured in prism diopters ("p.d." SPH is the abbreviation for the word sphere. Only a small percentage of eyeglass prescriptions include prism. If you are still unsure about entering your prescription details when ordering glasses online, make sure that you choose a supplier that offers an "Upload" or "Send Later" option. But keep in mind, all eyewear is different, so its just a general reference. Children should have their first eye exam when they are around six months old, and then another just before they start school. We use cookies to give you a fantastic customer experience. These are the abbreviations that denote to Oculus Dexter and oculus sinister in Latin and mean left eye and right eye. This stands for cylinder, and it refers to the strength of the lenses needed to correct your astigmatism. Knowing what they mean will also help you more easily discuss your prescription with your eye care professional. The "ADD" value may be written in the "Near Addition" space on your prescription. Sphere means the spherical correction where the meridians of the human eye are equal. Astigmatism correction is not spherical. CYL (Cylinder)CYL is a + or - value in 0.25 steps and is required to correct your astigmatism. It is not a condition, or disease. All About Vision and AllAboutVision.com are registered trademarks of AAV Media, LLC. A contact lens prescription can only be obtained from a contact lens consultation and fitting. The 20/20 vision is the correct vision for normal eyes. A sphero-cylindrical prescription (an Rx) for one eye consists of 3 parts, all written from left to right: [+/-Sphere]. If nothing appears in your CYL column, you do not require astigmatism correction. Colour blindness test: Do you see colours correctly? If this column is blank, it means you have no astigmatism. Balance - No values are required. Click here if your prescription looks different to this form. like in the example above, you can toggle the form to enable you to enter an inter add as below; Balance- No values are required. If you have been provided with a BVD value ensure to enter it into the additional information or comments box provided with any online prescription forms. In eye prescription, what does CYL means? CYL is the amount of astigmatism correction you need, and Axis determines the lens angle required to correct your astigmatism. Sitemap | All Prices are in USD, Exclusive Development Partner | Terms of Use | Privacy Policy | Accessibility Statement. These numbers typically are the same for both eyes and range from +0.75 to +3.00. Prism powers will always be accompanied with a direction which is usually seen as a base diresction such as IN, OUT, UP and DOWN; for example; Prism 2.00 Base IN. Axis refers to an angle value between 0 and 180 that determines the angle of the cylinder correction for astigmatism. It does not matter whether the correction is of farsightedness or nearsightedness; it is always in spherical form. The bridge width will make sure your eyewear rest comfortably on the bridge of your nose, measuring the distance from the innermost point on each lens. This is the most common format with clearly printed fields for OD, OS, SPH, CYL, etc. The BASE value will be displayed as BU or UP (Base UP), BD or DOWN (Base DOWN), BI or IN (Base IN) or BO or OUT (Base OUT). SPH, or sphere, refers to the amount of correction needed for nearsightedness or farsightedness. Reply HELP for help and STOP to cancel. When 180 is reached, the axis then starts over at 0. A minus (-) symbol next to this number means you're nearsighted, and a plus (+) symbol means the prescription is meant to correct farsightedness. CYL (Cylinder) CYL is a '+' or '-' value in 0.25 steps and is required to correct your astigmatism. On the off chance that the number showing up under this heading has a short sign . Naturally, a prescription will contain values for the correction of both of your eyes. 844-249-8359 Available 24 hours a day, 7 days a week. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. If you complete an eye exam and find your eyes needs have changed, you need to order a new prescription as soon as possible. When we look at the eye prescription written by our consultant, different questions come to mind. There is no astigmatism correction for this eye, so no cylinder power or axis is noted. If the number is positive (+), it is correcting farsightedness. If your glasses are for distance only, this will not be an issue. Free Express Shipping and 30-Day Returns Worldwide. That is to say, the OD means the right eye and OS means the left eye. The term sphere refers to the fact that distance vision correction is spherical, or equal in all meridians of the eye. Still dont know how to look for your perfect fit? Theplus (+) orminus (-) sign before SPH indicates whether you are nearsighted or farsighted. If you are trying to reach us outside of these hours please email us at [emailprotected] and we will respond the next working day. The measurement is the Dioptre. Sometimes they need to be adjusted by professionals. You've probably asked yourself many times, what does my glasses prescription mean? The measurement is the Dioptre, and most values range from +0.50 to +3.50 and will go up in steps of 0.25. The interesting fact is that if the prescription of eyeglass includes the main cylinder power, it is important to include the axis value along with it so that it follows the power of CYL. Sphere refers to the power of your lens (measured in dioptre units) to correct the degree of short or long sight you have. Alternatively, you may have a row for "Distance" and a space provided for a "Near Addition" or "Reading Addition". Your sph +4.00 means that the concave sphere with no astigmatism belongs to the hyperopia 400 prescription. BO=Base Out, BI=Base In, BU=Base Up, and BD (or BDn)=Base Down. The sphere is measured in Dioptre's, your prescription may have the word Plano or Pl or an infinity sign, this means that you are neither long nor short sighted but zero power for the Sphere, however you may have astigmatism - a CYL and AXIS on your prescription. The Pupillary distance is an essential measurement. The Zenni Optical website says I need that bit, but all it let's you input are positive or negative numbers, I can't write in SPH even if I knew what it mean. When shes not working, Dr. Huang loves reviewing new skin care products, trying interesting food recipes, or hanging with her adopted cats. Myopia control: How to slow your child's myopia, Childrens eye care problems at school-age, How the eye works: Refraction and refractive errors, Using eye drops: How to correctly apply them. A number between +/-.025 to +/-2.00 is considered mild, a number between +/-2.25 to +/- 5.00 is considered moderate, and a number greater than +/- 5.00 is considered severe. Sphere is basically a measure of how strong your prescription needs to be. DS (Dioptres Sphere) means you only have a Sphere power. Do a "deep search" instead. When you hold the prescription, have you ever been curious to know what the number and letters mean for your eyesight? For example, "1.5" or 1. What face shape best suits browline glasses? The number marked axis describes the orientation of astigmatism. A Prism is to try and correct a lazy eye and indicates a more delicate condition, this is included with a prescription to correct some special conditions or some eye disorders (like squints) that require the focussed image to move position. What is SPH in a Glasses Prescription? If you promise not to get in a petty snit, and let me explain why, I'll tell you the answer to your question. The AXIS is only present if there is a value in the CYL box, the AXIS tells us where the astigmatism is on your eye. Our online prescription form initially displays the most common format, Distance with a Near Add. What is CYL, AXIS and SPH? If nothing appears in the Cylinder column, it indicates that you have no astigmatism, or your astigmatism is so light that there is no need to correct it with the eyeglass lenses. Cylinder axes range from 0 to 180, and are based on a hemispheric protractor. This stops light from focusing properly on your retina and makes your vision blurry. The "Distance" row contains the values required to correct your distance vision for the respective eye. The AXIS, in degrees, is a number between 0 and 180. The cylinder is the indication of the condition, astigmatism, in which the cornea is shaped irregularly causing distorted or blurred vision. They may only write it once, but it normally applies to both eyes and is almost always the same value for both eyes (e.g. Create an account to follow your favorite communities and start taking part in conversations. This correction is often used for reading, sewing and any detailed close work. Optometrists measure SPH values in increments of 0.25 diopters, and when people talk about their prescription degree, they're usually talking about their sphere value. Download Our Mobile App for Faster Checkout. An eye prescription specifies the values needed for your corrective eyewear. This instructs the person making your glasses to use a lens of similar weight to balance out the frame. Standard msg & data rates may apply. A positive value, or a prescription with a plus-sign (+), means that your child is farsighted. How to Read Your Prescription for Glasses. Cylinder ( CYL) Cylinder indicates the amount of lens power for astigmatism. These are abbreviations for the Latin terms oculus dexter and oculus sinister. Here at Spex4Less, you will find both of these options directly above the prescription form. The store will not work correctly in the case when cookies are disabled. See, Do Not Sell or Share My Personal Information. AXISAn AXIS will only be found on your prescription if there is a CYL value for the same eye. The number under cylinder provides the lens power needed to correct the astigmatism. Cylinder indicates the amount of lens power for astigmatism. Spex4less and SPEX4LESS are registered trademarks of Fashion Specs Direct Limited. It's considered a mild amount of nearsightedness. It is measured with the unit diopters(D), indicating the lens power of the glasses. All Rights Reserved. If you are nearsighted, you will see there is a minus sign(-) next to the Sphere number. However, there are other parameters, such as CYL which means the astigmatism part and AX which means the axis position in the astigmatism. Inter, refers to intermediate, this is the prescription required to correct intermediate vision, and may appear in full, or as an additional power (ADD) to the distance. The PRISM value will also be followed by a directional value (see BASE below). What face shape best suits round glasses? How can I stop my glasses from slipping down my nose? Swim Goggles Non-Rx: Giggly Goggles for Kids, All Swim Goggles Non-Rx: Giggly Goggles for Kids, Anti Blue Light Glasses / Blue Block Glasses, Replacement Parts & Accessories| Rec Specs, Prescription Ski Goggles Inserts and Ski Goggles, Partnerships with Ophthalmologists / Optometrists / Eye Health Professionals. They may also enter an abbreviation "DS" (Dioptre Spheres). Sphere (SPH) and Cylinder (CYL) always have a (+) or (-) sign. Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. Sphere means the spherical correction where the meridians of the human eye are equal. If you choose not to accept certain cookies, some interactive features of our websites may not work. The prism Rx will have two values: PRISM & BASE. Our entire range of mens sunglasses from only 19.97, Our entire range of womens sunglasses from only 19.97. Most values range from 0.00 to +/- 20.00 and go up in steps of 0.25. Eyeglass prescriptions may have several components, including sphere, cylinder, and axis. For multi-focal glasses, as well as reading and computer glasses, your Rx will include an ADD or NV value. Well break down your prescription step-by-step. Get the latest updates on new products and upcoming sales, 2023 The cylinder is the indication of the condition, astigmatism, in which the cornea is shaped irregularly causing distorted or blurred vision. Optometrists measure SPH values in increments of 0.25 diopters, and when people talk about their prescription degree, theyre usually talking about their sphere value. That means that you have no astigmatism to correct in that eye. How computer glasses can ease digital eye strain, How screen time effects child development, Importance of eye care and regular eye exams, What to expect at a comprehensive eye exam, Paediatric eye exam: How they are different. Similarly, the values concerning the correction of your left eye may be indicated as "LE", "Left", "Left Eye" or "OS" which is an abbreviation for Oculus Sinister, the Latin term for "Left Eye". What Does SPH mean? When the person has no astigmatism, the perfect eye shows 0 diopters. This correction is often used for computer (VDU) operation. If the human eye acuity is 20/200, this is called the bad eye axis and is considered the blind person. She also has an interest in Eastern medicine practices and learning about integrative medicine. Let's use an example to understand things better. Full Explanations: Sphere, Cylinder, and Axis Superlite titanium rimless collection The SuperLite Titanium rimless series is provided by super Warby Parker WARBY PARKER, one of the most popular eyewear brands in the United States, set up it What Are Progressive Lenses? So what's an astigmatism? If nothing appears in this column, either you have no astigmatism, or your astigmatism is so slight that it is not really necessary to correct it with your eyeglass lenses. I promise not to get in a petty snit. If you dont have any medical issues that affect your vision, you should have a comprehensive eye exam every one to two years. Most reputable online suppliers like Spex4Less will offer a variety of forms for you to enter your prescription details in to. Notable terms include: Sphere (SPH) - The term "sphere" means that the correction for nearsightedness or farsightedness is spherical, equal in all meridians of the eye. The base value will show either in or out, or up and down, indicating the direction the prism should be angled. These include: Sphere indicates the amount of lens power, measured in diopters(D), prescribed to correct nearsightedness or farsightedness. But don't worry, after reading this page you'll understand what all the details mean and you'll know how to read your glasses prescription correctly. Tap on the prescription form to find out what all those number and abbreviations mean, By proceeding to the site or clicking Accept All Cookies, you consent to such use. You can then go ahead and enter the prescription as follows: By clicking the link Need Help?