The doctor wrote "SPH" in the Cylinder column. The values concerning the correction your right eye may be indicated as "RE", "Right", "Right Eye" or "OD" which is an abbreviation for Oculus Dexter, the Latin term for "Right Eye". They are abbreviations foroculus dexterandoculus sinister, which are Latin terms for right eye and left eye. United States Home>Tips & Guides>How to Read an Eyeglass Prescription. Checkout now! It would be entered on our website as below: Our online prescription form initially displays the most common format, Distance with a Near Add. Youll often see this terms on eyeglass prescriptions. If the number is negative (), it means it is correcting nearsightedness. We can offer up to 3.00 Dioptre's of prism online however if yours exceed this or if you have more than one direction for each eye please contact us to confirm suitablility and availability. Some people may have prism in two directions for one eye, for example; Prism 2.00 Base IN & 1.00 Base UP. If you have an astigmatism, you will have a number in the cylinder column of your prescription that indicates the lens power needed to correct the astigmatism. The AXIS, in degrees, is a number between 0 and 180. This stands for cylinder, and it refers to the strength of the lenses needed to correct your astigmatism. An SPH number indicates if you are farsighted or nearsighted. : r/glasses. Most values range from 0.00 to +/- 20.00 and go up in steps of 0.25. 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 images below show some possible layouts of different prescriptions and how they would be entered on our website. Newer Post . If this column is blank, it means you have no astigmatism. It is the amount of magnification required to "ADD" to the "SPH" value of your "Distance" prescription to correct your near vision. Balance - No values are required. Screen time for kids: How much is too much? This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. 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. How to Read Your Prescription for Glasses. 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. Nowadays, most of us wear glasses and most of us just take the prescription to the optical store to pick out a pair of glasses. 'Sphere' is basically a measure of how strong your prescription needs to be. Through her writing, Dr. Huang enjoys educating patients on how to lead healthier and happier lives. The term "sphere" means that the correction for nearsightedness or farsightedness is "spherical," or equal in all meridians of the eye. These numbers typically are the same for both eyes and range from +0.75 to +3.00. Loved by Customers -64,000+ Trustpilot Reviews! This indicates the amount of lens power for astigmatism. If your prescription indicates a CYL value, you must have a corresponding Axis value. Register so we can email you as soon as its becomes available! You've probably asked yourself many times, what does my glasses prescription mean? What does sphere cylinder and axis mean? The CYL and AXIS compensate for an astigmatism. The lens power amount is, therefore, measured in D (diopters) for farsightedness or nearsightedness. What the values on your prescription mean. This box maybe empty or have a plus or a minus value in it. If you dont have any medical issues that affect your vision, you should have a comprehensive eye exam every one to two years. What does 1.50 mean on glasses? This is the most common format with clearly printed fields for OD, OS, SPH, CYL, etc. Free Gifts with Purchases Over $100 | Learn More. If your SPH value is -1.00, you are nearsighted. Our entire range of mens glasses suitable for varifocal lenses. | Press question mark to learn the rest of the keyboard shortcuts. By Email or 0330 165 6900, Site Map Add, Near Add, Reading Addition - These all relate to your reading addition and can be written anywhere on the prescription. Thats why weve put together a short guide to help you learn how to read a glasses prescription so you can get to ordering your new set of eyeglasses as quickly as possible. AXISAn AXIS will only be found on your prescription if there is a CYL value for the same eye. What If My Prescription Does Not Follow The Format on Your Website? Download Our Mobile App for Faster Checkout. Analytics cookies are used to understand how you interact with our content. There will also be a number in the axis column thats needed for astigmatism correction. The minus sign and the plus sign next to the Cylinder numbers are also for nearsightedness and farsightedness. What does SPH mean for glasses? Cylinder axes range from 0 to 180, and are based on a hemispheric protractor. This number shows the angle of the lens that shouldnt feature a cylinder power to correct your astigmatism. 1-800 Contacts is our #1 recommendation to buy contacts online. If you are trying to reach us outside of these hours please email us at [emailprotected] and we will respond the next working day. Do a "deep search" instead. The "ADD" value may be written in the "Near Addition" space on your prescription. When people talk about their eye degree or power, they are usually referring to their SPH value. This is always "+" value in 0.25 steps. Near is the prescription to correct near vision and may appear in full, or as an additional power (ADD) to the distance. We use cookies to personalize content, to provide social media features and to analyze our traffic. Progressive For multi-focal glasses, as well as reading and computer glasses, your Rx will include an ADD or NV value. The first thing to understand your eyeglass prescription is knowing what "OD" and OS" means. This instructs the person making your glasses to use a lens of similar weight to balance out the frame. Some eye doctors have modernized this and replaced OD with RE (right eye) and OS with LE. The axis depicts the angle between two meridians. OS -1.00 -0.50 x 180 +2.00 add 0.5 p.d. DS (Dioptres Sphere) means you only have a Sphere power. Cylindrical correction means that one meridian has no added power, while the meridian perpendicular to it has the maximum lens curvature and power added to it. The numbers on your eyeglass prescription describe precisely how your glasses lenses should be cut. SPH indicates the adjustment for spherical power, with . Can someone help me out here? SPH is a '+' or '-' value in 0.25 steps and is required to correct your nearsightedness (-) or farsightedness (+). If the axis changes by more than 90, you need to consult an eye specialist. Common Abbreviations That Appear on Your Prescription. This is the abbreviation for the Latin termoculus uterque, which means "both eyes.". Standard msg & data rates may apply. Your sph +4.00 means that the concave sphere with no astigmatism belongs to the hyperopia 400 prescription. For a full 12 months from dispatch date we will repair or replace any frames with a manufacturing fault. Let's use an example to understand things better. Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. A nearsighted prescription will feature a number with a minus (-) symbol in the sphere box. Essentially this means correction for Astigmatism is not required for the prescription being considered. A number over 5 is generally considered to be on the stronger side. Terms of Use | Privacy Policy | Accessibility Statement. Vision Center is funded by our readers. This format is less common in the US. This is always a "+" value in 0.25 steps. 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. The axis is the orientation of the cylinder when looking at an eye. With eight years of experience in the world of content strategy and creation, Michael specializes in medical copywriting and advanced research methodologies. This shows how much focal point power, estimated in diopters (D), endorsed to address myopia or farsightedness. In some cases, the optician may write what appears to be a slash above the figure to indicate a "-" value.When no correction for SPH is required the optician will write "Plano", "", "0.00" or just leave the space blank. (See Different ways in which a prescription can be displayed below). Our online prescription form initially displays the most common format, Distance with a Near Add. 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? 6. 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. GlassesUSA has a huge selection of contacts, glasses, & sunglasses. CYL (or Cylinder) indicates you have a condition where the cornea and/or lens of the eye are irregularly shaped causing blurred vision, in other words, astigmatism. The value may be as high as 10 and may go up in steps of or 1 Prism Dioptres. It is measured with the unit diopters(D), indicating the lens power of the glasses. Your prescription will usually contain the following: Your optometrist or ophthalmologist will perform an eye examination to determine these values. It always follows the sphere power on an eyeglass prescription. What is SPH in a Glasses Prescription? Did you get confused? These glasses are often worn full time. You can view our cookie policy here. You can measure your current frame from screw to screw, which is already a perfect fit for you . The PRISM value will also be followed by a directional value (see BASE below). Terms of sale Prism refers to the amount of prismatic power needed to correct eye alignment problems, measured in prism diopters. Alternatively, you may have a row for "Distance" and a space provided for a "Near Addition" or "Reading Addition". The axis is defined with a number from 1 to 180. It is used to correctly orientate the cylinder correction when making your glasses. Still dont know how to look for your perfect fit? & Worries-free! Find an eyecare professional and book online in minutes! 2004 - 2023 Spex4less, Fashion Specs Direct LTD, All Rights Reserved. If your glasses are for distance only, this will not be an issue. If you see the "sph" in the "cyl" box . Designed in Singapore for diverse tastes (and noses). This extra power will ALWAYS be the same for each eye and may only appear once on your prescription but it is understood to be meant for both eyes. Our entire range of womens glasses suitable for varifocal lenses. "How to Read Your Eyeglass Prescription. If this column is blank, it means you dont have an astigmatism. 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. On the other hand, in the farsightedness, the person can see those objects clearly which are far but near object seems blurry. 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. Yes, I would like to be notified by email about this product, and to receive emails from Olive with the latest deals, sales, and updates. If you require progressive lenses, your prescription willdisplay a value under the ADD (addition) column. 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. In the right eye, the prism is base down (BD); in the left eye, it's base up (BU). Most online retailers ask you to read and input your prescription into their order form, but if you dont know how to read your prescription, that process can get complicated. What does "SPH" appearing under Cylinder on my prescription mean? The number under cylinder provides the lens power needed to correct the astigmatism. For example, "1.5" or 1. This is especially handy as you can copy the values without having to make any calculations yourself. (Note that this is different than a contact lens prescription). It is usually separated by 90 degrees. The sphere power is the base power of a lens which is 360 degrees around the lens. When you visit the opticians for an eye test you will receive a written copy of your prescription. The higher the number on your prescription, the stronger your prescription is. Now that you understand those mysterious letters and numbers, you know how to read a glasses prescription! The type of Rx glasses may be noted on a prescription, such as DV [Distance Vision/nearsightedness] and NV [Near Vision/reading]. Here are some common prescription types to help you navigate yours. If your prescription includes a BVD, it is important that the lenses sit at the correct distance to ensure comfortable vision. Get news, offers and hand-drawn stickers by Mila, our co-founder Shing's daughter! We may earn commissions if you purchase something via one of our links. Astigmatism correction is not spherical. Base is the direction of a PRISM value and will only be supplied if the prescription has a PRISM value. In its simplest form, a prescription for glasses will feature a table with two rows and three columns. ADD, or addition, refers to the amount of magnifying power you would need in multifocal lenses to see closer objects, like a book. All frame measurements can be found in the details tab on our product pages. Do you know the meaning of the Sphere, Cylinder and Axis? Sphere refers to the power of your lens (measured in dioptre units) to correct the degree of short or long sight you have. This means that a person can see the object clearly at 20 feet. Free Express Shipping and 30-Day Returns Worldwide. Axis: An axis number will also be included if you have an astigmatism. The measurement is Prism Dioptre. For example: (+2.00) + (+2.25) = (+4.25). If nothing appears in this column, either you have no astigmatism, or your astigmatism is so slight that it is not really necessary to . Worried about the wrong fit? In the third part, we will show you what the Axis in glasses is. In the eye prescription, there are some important elements you need to know including Sphere, Cylinder, and Axis. CYL is good to know because it tells how light refracts on the eyes retina. We always recommend attaching a copy of your prescription to the order, or fax this through or email it separately, we will double check the prescription this end to ensure the correct lenses are produced. Clicking 'I have TWO complete rows of figures on my prescription" will open up new option boxes for you to open your prescription. Liingo Eyewear is another great option to buy glasses online. Enter your email address to make it happen. If you dont know whether you need a pair of glasses, the post How to Know If You Need Glasses? Privacy, Eye Testing and Optical Coherence Tomography (OCT). These links allow you to toggle the form so that it appears the same as the hard copy of your prescription, some common examples are shown below. OOPS! Sphere, also known as degree or power, is the amount of single vision correction you need. For multi-focal glasses, as well as reading and computer glasses, your Rx will include an ADD or NV value. Plano, Infinity, 0.00, - Basically 0.00 or no correction is required for that part of the prescription. The measurement is the Dioptre. The 'addition' is only required if the glasses are going to be used for reading or close work. If you have an astigmatism, indicated by an axis and cylinder number on your prescription, it means that the front of your eye is irregularly shaped. What Does SPH mean? Now you know the ABCs and the ODs and OSs of your eyeglass prescription, so you can make sense of your eyeglass prescription. Typical SPH numbers range between 0.00 and +/- 20.00. No, you cannot use your eyeglass prescription to buy contact lenses or vice versa because eyeglass lenses sit about 12 to 15 mm away from your eyes, whereas contact lenses are directly on your eyes. The sphere portion is a Continue Reading 6 1 Sponsored by TruthFinder Have you ever googled yourself? Explained: Why do new glasses make you dizzy? This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. Astigmatism relates to an issue in the curvature of yourcorneathat causes blurred distance and near vision, especially at night. Cylinder ( CYL) Cylinder indicates the amount of lens power for astigmatism. This article will help you decipher all parts of your prescription and discuss it knowledgeably with an optician or when you buy eyeglasses online. The AXIS stands for Axis and SPH stands for Sphere. In the following picture, you can see an eye prescription. 2000-2023 AAV Media, LLC. This number will appear as a decimal (0.5) or fraction (), followed by two letters indicating the base direction: There may be additional information written by your optometrist or ophthalmologist regarding your eye health. To convert a multi-focal prescription for single vision reading glasses, simply combine the Add number and the Spherical number. 'Add' +2.50 - should be entered for both eyes). If you see a negative value (-) that means your child is nearsighted. This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. In SPH, plus sign is an indication of which condition? If you are nearsighted, you will see there is a minus sign(-) next to the Sphere number. Sphere (SPH) and Cylinder (CYL) always have a (+) or (-) sign. The measurement is in Degrees. If for any reason you are not satisfied with your order, we will replace or exchange your glasses/lenses. Sphere, sometimes abbreviated as SPH, indicates the amount of lens power needed to correct nearsightedness or farsightedness. Thats where your new prescription from your optometrist or ophthalmologist comes in. Essentially this means correction for Astigmatism is not required for the prescription being considered. If you promise not to get in a petty snit, and let me explain why, I'll tell you the answer to your question. This correction is often used for computer (VDU) operation. One FREE Frame with SV 1.56 index lenses are included ! However, there are other parameters, such as CYL which means the astigmatism part and AX which means the axis position in the astigmatism. 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. In other words, because eyeglasses and contact lenses have different distances from your eyes, the amount of correctionneeded is also different. That is to say, the OD means the right eye and OS means the left eye. 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. Axis refers to an angle value between 0 and 180 that determines the angle of the cylinder correction for astigmatism. Most values range from 0.00 to +/- 20.00 and go up in steps of 0.25. The term "sphere" means that the correction for nearsightedness or farsightedness is "spherical," or equal in all meridians of the eye. The term sphere refers to the fact that distance vision correction is spherical, or equal in all meridians of the eye. 2023 Lensmartonline.com.All rights reserved, FREE SHIPPING FOR ORDER OVER $65 (REMOTE AREA NOT COVERED) / Buy 1,Get Other Frames 50% Off(Not eligible for frames under $10). You qualify for free shipping in the US! This correction is often used for reading, sewing and any detailed close work. Spex4Less, Everite House,Carr Lane, Hoylake,Wirral, CH47 4BG. While you likely know whether youre nearsighted, farsighted or have astigmatism, determining that from your prescription slip is another thing entirely. This means your lenses will be shaped to improve your distance vision. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. For more help finding your perfect pair of glasses, see our complete Size Guide.
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