What if my prescription does not follow the format on your website? This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. 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. You have used an email and/or password that does not match our records. The information on this free-form prescription is usually handwritten. With eight years of experience in the world of content strategy and creation, Michael specializes in medical copywriting and advanced research methodologies. This measurement is important as it explains at what distance your lenses should sit from your eyes. If the number is written, this is the indication of the usage of eye contact. Is 20/20 or 6 by 6 vision perfect eyesight? DS (Dioptres Sphere) means you only have a Sphere power. A contact lens prescription can only be obtained from a contact lens consultation and fitting. For example, if the Add were +2.25 and the OD-Sph was -0.50, the new OD-Sph for reading glasses would be +1.75; if the Sph were +0.25, the new Sph would be +2.50. OD is your right eye. There will also be a number in the axis column thats needed for astigmatism correction. Some eyeglass prescriptions may require a PD (pupillary distance) measurement. You've probably asked yourself many times, what does my glasses prescription mean? The axis is defined with a number from 1 to 180. The images below show some possible layouts of different prescriptions and how they would be entered on our website. 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. The ADD value is also referred to as a "Near Addition" or "Reading Addition". Cylinder (CYL). What face shape best suits cat eye glasses? Press J to jump to the feed. 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. It does not matter whether the correction is of farsightedness or nearsightedness; it is always in spherical form. Our entire range of mens glasses suitable for varifocal lenses. This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. 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". For more help finding your perfect pair of glasses, see our complete Size Guide. What does that mean. This means that the eyeball is spherical and has no oblongedness, and consequently has no Cylinder or Axis values. Whats more, if an eyeglass prescription includes cylinder power, it also must include an Axis value, which follows the CYL power. CYL, or cylinder, refers to the amount of astigmatism correction you need. Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. GogglesNMore All Rights Reserved. Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. A prescription for correcting eye alignment issues will include a PRISM and BASE value. The measurement is Prism Dioptre. Liingo Eyewear is another great option to buy glasses online. 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. These are needed to tell us how to shape the lens so that it can accurately align the wearers eyesight. If your SPH value is -1.00, you are nearsighted. You're currently shopping our United States site. After reading this part, you may get the answer. What the values on your prescription mean. Add is the added magnifying power applied to the bottom part ofmultifocal lensesto correctpresbyopia. After reading this post, you may have gotten the answers. This correction is often used for reading, sewing and any detailed close work. SPH is the abbreviation for the word sphere. The axis indicates the angle (in degrees) between the two meridians of an astigmatic eye. 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? By Email or 0330 165 6900, Site Map Most values range from +/- 0.25 to +/- 4.00 and will go up in steps of 0.25. 6. 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. In SPH, plus sign is an indication of which condition? The first thing to understand your eyeglass prescription is knowing what "OD" and OS" means. The axis is always exactly 90 degrees away from the meridian, which contains all of the correcting lens power for astigmatism. & Worries-free! Remember, eyeglasses prescriptions are different than prescriptions for contact lenses. What does SPH mean for glasses? The axis is the astigmatism orientation. The AXIS, in degrees, is a number between 0 and 180. Melody Huang is an optometrist and freelance health writer. Only one meridian will be adjusted to fix your 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. This correction is often used for computer (VDU) operation. Sphere (SPH) and Cylinder (CYL) always have a (+) or (-) sign. Generally, it will range from +0.75 to +3.00 D and will be the same power for both eyes. Cylinder: The cylinder (CYL) number indicates the lens power needed to correct astigmatism. How to choose the best lenses for your glasses, Photochromic lenses: Glasses that adjust to light, Special eyewear: Safety, driving and computer glasses, How to pick the right glasses for your face shape, Reading glasses: A buying guide for readers, Choosing glasses for your style and personality, Glasses size: A guide to eyeglasses frame size, Best places to buy eyeglasses/where to buy glasses, Why prescription sunglasses are a smart choice, How to prevent eye damage with UV sunglasses, Choosing the best sunglasses for your kids, The pros and cons of daily disposable contact lenses, Contact lens care: How to clean and store soft contacts, Understanding your contact lens prescription, Choosing the right coloured contact lenses, Contact lens tips: A user guide with expert advice. Only a small amount of prescriptions will require a PRISM. 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. The Axis in your prescription is usually measured from 1 to 180. There is no astigmatism correction for this eye, so no cylinder power or axis is noted. All transactions are secured with the latest SSL technology, verified by Amazon. It is usually separated by 90 degrees. Please try again. If you have an astigmatism, you will find a "+" or "-" value in this box. Spex4Less, Everite House,Carr Lane, Hoylake,Wirral, CH47 4BG. The cyl power has its axis at the 180 meridian, meaning the horizontal (180-degree) meridian of the eye has no added power for astigmatism and the vertical (90-degree) meridian gets the added -0.50 D. Both eyes are being prescribed an "add power" of +2.00 D for the correction of presbyopia, and this eyeglass prescription includes a prismatic correction of 0.5 prism diopter in each eye. Msg frequency may vary. At first glance, the details may seem quite confusing. (Some doctors will add "DS" for "diopters sphere;" others will leave this area blank.). In the right eye, the prism is base down (BD); in the left eye, it's base up (BU). Alternatively, you may have a row for "Distance" and a space provided for a "Near Addition" or "Reading Addition". Here are some common prescription types to help you navigate yours. Cylinder indicates the amount of lens power for astigmatism. CYL (Cylinder) CYL is a '+' or '-' value in 0.25 steps and is required to correct your astigmatism. It usually occurs along with near or farsightedness. The lens power amount is, therefore, measured in D (diopters) for farsightedness or nearsightedness. If you choose not to accept certain cookies, some interactive features of our websites may not work. On the off chance that the number showing up under this heading has a short sign . 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). Explained: Why do new glasses make you dizzy? Add indicates the magnifying power applied to the bottom part of bifocal, multifocal, or progressive lenses used to correct presbyopia (age-related farsightedness). 1-800 Contacts is our #1 recommendation to buy contacts online. When shes not working, Dr. Huang loves reviewing new skin care products, trying interesting food recipes, or hanging with her adopted cats. You'll notice the CYL and AXIS values are the same for both distance and near. Prism is used to correct eye alignment issues and can be a metric or fraction value. Commonly, this number will be different for each eye. [+/-Cylinder].axis [some angle between 0 and 180 degrees]. A cylinder forms a focus 90 degrees to its axis. Sphere refers to the power of your lens (measured in dioptre units) to correct the degree of short or long sight you have. SPH is one of the parameters to report your eye prescription. VA, Visual Acuities - These values describe your vision (visual acuity) but are not needed to make your glasses. Do you know the meaning of the Sphere, Cylinder and Axis? Your sph +4.00 means that the concave sphere with no astigmatism belongs to the hyperopia 400 prescription. If the number is positive (+), it is correcting farsightedness. This number shows the angle of the lens that shouldnt feature a cylinder power to correct your astigmatism. Clicking 'I have TWO complete rows of figures on my prescription" will open up new option boxes for you to open your prescription. The left eye (OS) is being prescribed -1.00 D sphere for myopia plus -0.50 D cylinder for the correction of astigmatism. Let's use an example to understand things better. They are abbreviations foroculus dexterandoculus sinister, which are Latin terms for right eye and left eye. The axis indicates the angle (in degrees) between the two meridians of an astigmatic eye. Cylinder ( CYL) Cylinder indicates the amount of lens power for astigmatism. You can then go ahead and enter the prescription as follows: By clicking the link Need Help? If the number appearing under this heading has a minus sign (-), you . An SPH number indicates if you are farsighted or nearsighted. The Axis means the angle between the two meridians of an astigmatic eye. It would be entered on our website as below: Our online prescription form initially displays the most common format, Distance with a Near Add. Cylinder power always follows Sphere power in an eyeglass prescription. SPH, or sphere, refers to the amount of correction needed for nearsightedness or farsightedness. Youll often see this terms on eyeglass prescriptions. OSstands for oculus sinister, Latin for left eye.. Your eyeglass prescription contains other terms and abbreviations as well. I promise not to get in a petty snit. might be bigger than you would like! This means your lenses will be shaped to improve your distance vision. This means that a person can see the object clearly at 20 feet. These are the abbreviations that denote to Oculus Dexter and oculus sinister in Latin and mean left eye and right eye. Prescribing spectacles: reasons for failure of spectacle lens acceptance. Traditional eyeglasses are usually single vision lenses with one pre Metal frames are suitable for wearing. While you likely know whether youre nearsighted, farsighted or have astigmatism, determining that from your prescription slip is another thing entirely. Consent is not a condition of purchase. This number is always positive, even if it doesnt have a plus sign (+) in front of it. This number always has a (+) sign. Sphere (SPH) and Cylinder (CYL) always have a (+) or (-) sign. In this case, the eye doctor has prescribed -2.00 D sphere for the correction of myopia in the right eye (OD). If you are due for new eyeglasses in Clermont, contact Pennachio Eye at 325-227-1999 . These links allow you to toggle the form so that it appears the same as the hard copy of your prescription (see image below). You may also have an INTER ADD value used for arms-length distance tasks such as computers or reading music. The sphere is measured in Dioptres, 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. On the other hand, in the farsightedness, the person can see those objects clearly which are far but near object seems blurry. However, for complex prescriptions, such as when your SPH or CYL values fall beyond theaverage range, prescription orders can take up to9 days to complete because optical labs will need tomake custom-edgedlenses for you. The measurement is the Dioptre. Different prescriptions and how to enter your values on our site. To convert a multi-focal prescription for single vision reading glasses, simply combine the Add number and the Spherical number. When people talk about their eye degree or power, they are usually referring to their SPH value. 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. With our 14-Day Fit & Style Guarantee, you can request a refund or exchange a new pair, hassle-free! 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. The sphere portion is a Continue Reading 6 1 Sponsored by TruthFinder Have you ever googled yourself? This is especially handy as you can copy the values without having to make any calculations yourself. 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). AXISAn AXIS will only be found on your prescription if there is a CYL value for the same eye. Screen time for kids: How much is too much? The axis value is often preceded by an x when written in freehand. Should I get a second opinion? Sphere (SPH) and Cylinder (CYL) always have a (+) or (-) sign. Add, Near Add, Reading Addition- These all relate to your reading addition and can be written anywhere on the prescription. 10 Signs You Need Glasses may be helpful. Astigmatism relates to an issue in the curvature of yourcorneathat causes blurred distance and near vision, especially at night. The number under 'cylinder' provides the lens power needed to correct the astigmatism. Here at Spex4Less, you will find both of these options directly above the prescription form. Most reputable online suppliers like Spex4Less will offer a variety of forms for you to enter your prescription details in to. 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. Children should have their first eye exam when they are around six months old, and then another just before they start school. How Do You Keep Your Glasses From Fogging Up With A Ski Mask? 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. Did you get confused? | Our entire range of mens sunglasses from only 19.97, Our entire range of womens sunglasses from only 19.97. Do not worry about entering your prescription details online. A positive value, or a prescription with a plus-sign (+), means that your child is farsighted. This post will explain them one by one. If your glasses are for distance only, this will not be an issue. The minus sign and the plus sign next to the Cylinder numbers are also for nearsightedness and farsightedness. What is SPH in a Glasses Prescription? What Does SPH mean? |