Your prescription will usually contain the following: Your optometrist or ophthalmologist will perform an eye examination to determine these values. 1. Whats more, if an eyeglass prescription includes cylinder power, it also must include an Axis value, which follows the CYL power. On some rare occasions, you may find an AXIS value with a decimal place or fraction. Sphere (SPH) - The expression "sphere" means that the remedy for astigmatism or farsightedness is round, equivalent in all meridians of the eye. This measurement is important as it explains at what distance your lenses should sit from your eyes. (Note that this is different than a contact lens prescription). Sphere is basically a measure of how strong your prescription needs to be. The sphere power is the base power of a lens which is 360 degrees around the lens. Axis is the direction in which the astigmatism . The AXIS stands for Axis and SPH stands for Sphere. Vision Center is funded by our readers. What the values on your prescription mean. There are two vision conditions, nearsightedness, and farsightedness. Melody Huang is an optometrist and freelance health writer. Eyeglass prescriptions may have several components, including sphere, cylinder, and axis. That way, your eyes are looking through the best point on each lens, some prescriptions may have the PD/Pupillary Distance listed for each eye respectively, for example RE: 32 LE: 32, you would enter 64mm from our list. The doctor wrote "SPH" in the Cylinder column. A prescription for correcting eye alignment issues will include a PRISM and BASE value. Sphere, Cylinder, and Axis on Eye Prescriptions Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. The Axis in your prescription is usually measured from 1 to 180. Learn about LASIK success rates and side effects, Learn about the costs associated with LASIK, Benefits of LASIK for astigmatism correction, How to find vision insurance that covers LASIK, Compare PRK and LASIK procedures and results, 14 tips for protecting your vision after LASIK. There will also be a number in the axis column thats needed for astigmatism correction. & Worries-free! Our friendly customer service team are on hand to help Monday to Friday 9 am-5 pm and Saturdays 9 am-12 pm. It tells the optician how to orient the lens so that the cylinder has no power at the axis location. If you are due for new eyeglasses in Clermont, contact Pennachio Eye at 325-227-1999 . For the best experience on our site, be sure to turn on Javascript in your browser. : r/glasses. The number in the cylinder column may be preceded with a minus sign (for the correction of nearsighted astigmatism) or a plus sign (for farsighted astigmatism). The "ADD" value applies to both eyes and can sometimes be written only once on the prescription, even though the addition is required for both eyes. When you enter your prescription during checkout, please select "Not Applicable" for all Cylinder and Axis fields, thank you. Marketing cookies are used to offer personalized advertisements. It will be a number between 1 and 180. Through her writing, Dr. Huang enjoys educating patients on how to lead healthier and happier lives. ODstands for oculus dexter, the Latin term for right eye., OS is your left eye. This number always has a (+) sign. It will be a number between 1 and 180. See, Do Not Sell or Share My Personal Information. By continuing to shop we will assume you are happy to receive all cookies. Do not worry about entering your prescription details online. Your eyeglass prescription contains other terms and abbreviations as well. You've probably asked yourself many times, what does my glasses prescription mean? All Rights Reserved. CYL is the amount of astigmatism correction you need, and Axis determines the lens angle required to correct your astigmatism. In the context of an eye prescription, OD means right eye and OS means left eye. When we look at the eye prescription written by our consultant, different questions come to mind. You'll notice the CYL and AXIS values are the same for both distance and near. Reddit and its partners use cookies and similar technologies to provide you with a better experience. It usually occurs along with near or farsightedness. A multifocal prescription will include an ADD value, sometimes marked as NV. But what exactly do all these abbreviations and numbers mean? The number appearing in this section of the prescription is always a "plus" power, even if it is not preceded by a plus sign. If your SPH value is -1.00, you are nearsighted. If this column is blank, it means you have no astigmatism. What If My Prescription Does Not Follow The Format on Your Website? By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Common abbreviations that appear on your prescription. The measurement is in Degrees. If you have an astigmatism, you will also have a corresponding "AXIS" value (see below).When no astigmatism correction is required the optician will leave the box blank. This correction is often used for driving, television and general wear (walking around). Best Place to Buy Contacts: 1800 Contacts. Consent is not a condition of purchase. On any prescription, PD can be written in different ways: e.g., 62 (Single PD), 33/31 (Dual PD), or 62/60 (Distance PD/Near PD). What does SPH mean for glasses? Traditional eyeglasses are usually single vision lenses with one pre Metal frames are suitable for wearing. On the off chance that the number showing up under this heading has a short sign . If the human eye acuity is 20/200, this is called the bad eye axis and is considered the blind person. The AXIS, in degrees, is a number between 0 and 180. Screen time for kids: How much is too much? CYL is a + or - value in 0.25 steps and is required to correct your astigmatism. The axis value is often preceded by an x when written in freehand. 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. If the optometrist wrote "DS" or "Sph" or "Spherical" in the Cylinder space, it indicates no correction and should be entered as 0 on the order form. The CYL stands for Cylinder. ; values are usually entered with computer, but may be handwritten by doctor. VA, Visual Acuities - These values describe your vision (visual acuity) but are not needed to make your glasses. Our entire range of mens glasses suitable for varifocal lenses. This is the most common format with clearly printed fields for OD, OS, SPH, CYL, etc. Medically Reviewed by Dr. Melody Huang, O.D. What Does SPH mean? You should have a number under the CYL column too. In its simplest form, a prescription for glasses will feature a table with two rows and three columns. However, underneath the form, you will see a set of links under the heading "Click here of your prescription looks different to this form". In the right eye, the prism is base down (BD); in the left eye, it's base up (BU). Different ways a prescription can be displayed.Common abbreviations that appear on your prescription. Can someone help me out here? Some eyeglass prescriptions may require a PD (pupillary distance) measurement. When reading your glasses prescription you will find values under the headings of SPH, CYL, AXIS and sometimes PRISM & BASE. With our 14-Day Fit & Style Guarantee, you can request a refund or exchange a new pair, hassle-free! Prescribing spectacles: reasons for failure of spectacle lens acceptance. ADD. SPH is one of the parameters to report your eye prescription. By Email or 0330 165 6900, Site Map The number marked 'axis' describes the orientation of astigmatism. | The measurement is the Dioptre. What face shape best suits browline glasses? Most values range from 0.00 to +/- 20.00 and go up in steps of 0.25. The PD/Pupillary Distance is generally measured during a sight test, but is not routinely written on a prescription, you can ask for this from your Opticians, or ask them to add it to your prescription when you are tested. 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. Knowing how to read an eyeglass prescription is essential! Loved by Customers -64,000+ Trustpilot Reviews! Contact us, Mon. Cylinder is the indication of the lens power amount that is basically needed for the eyes disease named astigmatism (blurred vision). The CYL and AXIS compensate for an astigmatism. In SPH, the minus sign is an indication of which condition? You must be logged in to manage your wishlist. They are abbreviations foroculus dexterandoculus sinister, which are Latin terms for right eye and left eye. With eight years of experience in the world of content strategy and creation, Michael specializes in medical copywriting and advanced research methodologies. It is used to correctly orientate the cylinder correction when making your glasses. Usually your lenses will be positioned around 10-12mm from your eyes, however this will vary from person to person. On the other hand, in the farsightedness, the person can see those objects clearly which are far but near object seems blurry. In astigmatism, the curvature of the eye is imperfect. If you dont know whether you need a pair of glasses, the post How to Know If You Need Glasses? This is an important question because this is related to the eyes and gives answers related to different changes in the human eye. That is to say, the OD means the right eye and OS means the left eye. 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. If the number appearing under this heading has a minus sign (), you are nearsighted; if the number has a plus sign (+) or is not preceded by a plus sign or a minus sign, you are farsighted. The axis indicates the angle (in degrees) between the two meridians of an astigmatic eye. The values range between 0 and 180 and may go up in steps of , 1, 5 or 10 degrees, we only show the AXIS to a whole number but if you have a degree on your prescription you can list this in the additional information box when ordering. The minus sign and the plus sign next to the Cylinder numbers are also for nearsightedness and farsightedness. 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 is a contact lens eye exam and fitting? In the third part, we will show you what the Axis in glasses is. They can also be written anywhere on the prescription. Typically, youll see several abbreviations and words labeling all of the important data on your prescription.

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