what does sph under cylinder mean what does sph under cylinder mean

When we look at the eye prescription written by our consultant, different questions come to mind. The "Near" row or "Near Addition" contains the information required to correct your near vision. What Do the Abbreviations on My Glasses Prescription Mean? This indicates the required strength for the near prescription in your lens. The axis is always exactly 90 degrees away from the meridian, which contains all of the correcting lens power for astigmatism. For example, "1.5" or 1. Our entire range of mens sunglasses from only 19.97, Our entire range of womens sunglasses from only 19.97. Knowing how to read an eyeglass prescription is essential! The number 90 corresponds to the vertical meridian of the eye, and the number 180 corresponds to the horizontal meridian. The axis is defined with a number from 1 to 180. 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. To make a purchase on our Canadian site, you'll need to create a separate account. GogglesNMore All Rights Reserved. SPH is one of the parameters to report your eye prescription. If the number is written, this is the indication of the usage of eye contact. E.g. Different prescriptions and how to enter your values on our site. What does "SPH" appearing under Cylinder on my prescription mean? Sphere refers to the power of your lens (measured in dioptre units) to correct the degree of short or long sight you have. Well break down your prescription step-by-step. CYL (Cylinder)CYL is a + or - value in 0.25 steps and is required to correct your astigmatism. The term "sphere" means that the correction for nearsightedness or farsightedness is "spherical," or equal in all meridians of the eye. One FREE Frame with SV 1.56 index lenses are included ! It is measured with the unit diopters(D), indicating the lens power of the glasses. On the eye prescription, CYL represents the cylinder correction part whether there is astigmatism or not. Colour blindness test: Do you see colours correctly? Dist, refers to distance, this is the prescription required to correct distance vision. What Does SPH mean? DS simply means no power is present in the CYL box so leave this as NONE or DS. You qualify for free shipping in the US! The sphere (Sph) specifies the strength of lens required to correct your focus - a plus sphere to correct long-sightedness (hyperopic - difficulty focusing on close objects) and a minus to correct short sightedness (myopia - difficulty focusing on distant objects.). 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. Essentially this means correction for Astigmatism is not required for the prescription being considered. The less common prism Rx refers to the amount of prismatic power needed to compensate for eye alignment issues (e.g., double vision or lazy eye). Spex4less and SPEX4LESS are registered trademarks of Fashion Specs Direct Limited. Vision Center is funded by our readers. This is the most common format with clearly printed fields for OD, OS, SPH, CYL, etc. The prism Rx will have two values: PRISM & BASE. To convert a multi-focal prescription for single vision reading glasses, simply combine the Add number and the Spherical number. Drooping eyelids: The causes and treatment of ptosis, Hyphema: Facts about internal eye bleeding, Eye discharge: Sleep, or rheum in your eyes, How to get rid of a stye with treatment at home, Eye allergies: Itchy, red and watery eyes, Blepharitis: Causes, symptoms and treatment, Eye infections: Causes, symptoms and treatment, 7 eye stye facts: Causes, symptoms, treatment, Blue light: How its both bad and good for your eyes. 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. The axis is the astigmatism orientation. For the best experience on our site, be sure to turn on Javascript in your browser. This number always has a (+) sign. Our entire range of prescription glasses for Men. Your eyeglass prescription also may have a column labeled "OU." What are the different types of contact lenses? Prism is used to correct eye alignment issues and can be a metric or fraction value. 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. Eyeglass prescriptions may have several components, including sphere, cylinder, and axis. BO=Base Out, BI=Base In, BU=Base Up, and BD (or BDn)=Base Down. Spectacle-related eye injuries, spectacle-impact performance and eye protection. 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. Essentially this means correction for Astigmatism is not required for the prescription being considered. When you hold the prescription, have you ever been curious to know what the number and letters mean for your eyesight? Posted by otakugrey. Youll typically find the abbreviates OD and OS on the left side of your prescription. This shows how much focal point power, estimated in diopters (D), endorsed to address myopia or farsightedness. Sphere (SPH) and Cylinder (CYL) always have a (+) or (-) sign. The term sphere refers to the fact that distance vision correction is spherical, or equal in all meridians of the eye. A number over 5 is generally considered to be on the stronger side. 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. See, Do Not Sell or Share My Personal Information. Click here if your prescription looks different to this form. as shown in the image below. This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. If you promise not to get in a petty snit, and let me explain why, I'll tell you the answer to your question. Let's use an example to understand things better. Sphere, sometimes abbreviated as SPH, indicates the amount of lens power needed to correct nearsightedness or farsightedness. i'm considering online since I need 1.74 hi-index and that can run expensive even in online stores, and a lot of local shops around me only offer up to 1.67. why isn't online a good idea? Privacy, Eye Testing and Optical Coherence Tomography (OCT). What do the values on your prescription mean? What does Axis mean for glasses? The number under 'cylinder' provides the lens power needed to correct the astigmatism. What does sphere cylinder and axis mean? These glasses are often worn full time. . 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. DS (Dioptres Sphere) means you only have a Sphere power. If not, keep on your reading and you will find the full explanations in the following part. There are two vision conditions, nearsightedness, and farsightedness. Copyright 2022 VisionCenter.org. [+/-Cylinder].axis [some angle between 0 and 180 degrees]. 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. 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. AXISAn AXIS will only be found on your prescription if there is a CYL value for the same eye. The axis indicates the angle (in degrees) between the two meridians of an astigmatic eye. Please try again. That is to say, the OD means the right eye and OS means the left eye. Typically, youll see several abbreviations and words labeling all of the important data on your prescription. That means that you have no astigmatism to correct in that eye. In SPH, the minus sign is the indication of nearsightedness (far away objects are blurred). What If My Prescription Does Not Follow The Format on Your Website? While you likely know whether youre nearsighted, farsighted or have astigmatism, determining that from your prescription slip is another thing entirely. 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. What is a contact lens eye exam and fitting? However, many opticians will simply write the value somewhere under, or next to, the distance values. Here are some common prescription types to help you navigate yours. 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. If you see a negative value (-) that means your child is nearsighted. Different Prescriptions and How to Enter Your Values On Our Site. You must be logged in to manage your wishlist. 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. We may earn commissions if you purchase something via one of our links. They can also be written anywhere on the prescription. By the end of this article, youll know exactly how to read your glasses prescription and what your prescription means. 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. With our 14-Day Fit & Style Guarantee, you can request a refund or exchange a new pair, hassle-free! In the right eye, the prism is base down (BD); in the left eye, it's base up (BU). You'll notice the CYL and AXIS values are the same for both distance and near. Add indicates the magnifying power applied to the bottom part of bifocal, multifocal, or progressive lenses used to correct presbyopia (age-related farsightedness). 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. Eye doctors write prescriptions this way because when they come face to face with you, they see your right eye on their left (first) and your left eye on their right (second). This means your lenses will be shaped to improve your distance vision. Cylinder: The cylinder (CYL) number indicates the . If your prescription indicates a CYL value, you must have a corresponding Axis value. Press J to jump to the feed. This just means the eye has difficulty focusing at certain angles. But keep in mind, all eyewear is different, so its just a general reference. She also has an interest in Eastern medicine practices and learning about integrative medicine. Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. This is especially handy as you can copy the values without having to make any calculations yourself. Some people may have prism in two directions for one eye, for example; Prism 2.00 Base IN & 1.00 Base UP. On your eyeglasses prescription, the information for your right eye (OD) comes before the information for your left eye (OS). This post will explain them one by one. Keep your prescription up to date so these numbers can accurately reflect your visual needs. In addition, you will see the initials OD and OS written on your eye prescription. Consent is not a condition of purchase. This article will help you decipher all parts of your prescription and discuss it knowledgeably with an optician or when you buy eyeglasses online. You may also have a column labeled OU, which means oculus uterque, or both eyes. Newer Post . By Email or 0330 165 6900, Site Map How Do You Keep Your Glasses From Fogging Up With A Ski Mask? Free Shipping Worldwide on Orders Over $69, Full Explanations: Sphere, Cylinder and Axis in Glasses. This prescription is for the left eye, and -1.50 means that your nearsightedness is measured at 1 and 1/2 diopters. If the PD/Pupillary Distance for the glasses is not set correctly then your eyes may have to strain to look through them, this can lead to headaches, eyestrain, visual distortion and in severe cases, double vision. OS -1.00 -0.50 x 180 +2.00 add 0.5 p.d. Astigmatism correction is not spherical. What Is The Difference Between A Retinal Tear And A Retinal Detachment? On the prescription of eyeglasses, the cylinder typically follows the sphere power. OD and OS are abbreviations of the Latin words oculus dexter and oculus sinister, respectively. CYL, or cylinder, refers to the amount of astigmatism correction you need. CYL (Cylinder) CYL is a '+' or '-' value in 0.25 steps and is required to correct your astigmatism. Axis refers to the lens meridian with no cylindrical power to correct astigmatism. When 180 is reached, the axis then starts over at 0. If your prescription only shows the SPH box with a value, leave the CYL and AXIS blank. The two rows refer to your right (OD) and left (OS) eyeswith the right eye always on the upper row. And what about all those abbreviated terms, such as OD, OS, SPH and CYL? If you have an astigmatism, you will find a "+" or "-" value in this box. The measurement is in Degrees. If you are farsighted, you will see a plus sign(+) next to the Sphere number. 2004 - 2023 Spex4less, Fashion Specs Direct LTD, All Rights Reserved. If you are nearsighted, you will see there is a minus sign(-) next to the Sphere number. 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". ADD, or addition, refers to the amount of magnifying power you would need in multifocal lenses to see closer objects, like a book. You've probably asked yourself many times, what does my glasses prescription mean? 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. Base is the direction of a PRISM value and will only be supplied if the prescription has a PRISM value. If this column is blank, it means you dont have an astigmatism. The number under the OD and OS measurement in your prescription is measured in diopters. This instructs the person making your glasses to use a lens of similar weight to balance out the frame. A minus sign () means it's correcting nearsighted astigmatism, while plus sign(+) means it's correcting farsighted astigmatism. The Sphere is also used to correct the nearsightedness or farsightedness. However, underneath the form, you will see a set of links under the heading "Click here of your prescription looks different to this form". It always follows the sphere power on an eyeglass prescription. They may mention that you have either of the following: They probably gave you an eyeglasses prescription that looks something like this: These are all crucial pieces of information when getting your eyewear. However, there are other parameters, such as CYL which means the astigmatism part and AX which means the axis position in the astigmatism. Conversely, if your prescription does not display a CYL value, you do not need an Axis value. A number with a minus symbol before it means you are nearsighted, and a number with a plus symbol, or no symbol, means you are farsighted. At first glance, the details may seem quite confusing. Kids' glasses and frames: A guide to fun children's eyewear. The Add, short for Reading Addition, is the additional correction required for reading, this can be used to make either reading glasses, bifocal glasses or Varifocal glasses. 5. It's considered a mild amount of nearsightedness. In SPH, plus sign is an indication of which condition? The CYL and AXIS compensate for an astigmatism. Cylinder ( CYL) Cylinder indicates the amount of lens power for astigmatism. Commonly, this number will be different for each eye. Plano, Infinity, 0.00- Basically 0.00 or no correction is required for that part of the prescription. SPH, or sphere, is the amount of lens power needed to correct nearsightedness or farsightedness, whereas CYL, or cylinder, is the amount of lens power needed to correct astigmatism. The AXIS, in degrees, is a number between 0 and 180. How to enter your glasses prescription online. Worried about the wrong fit? The axis is the astigmatism orientation. It will be a number between 1 and 180. The ADD value is also referred to as a "Near Addition" or "Reading Addition". What does SPH mean for glasses? Sphere (SPH) - The term "sphere" means that the correction for nearsightedness or farsightedness is spherical, equal in all meridians of the eye. The "ADD" value may be written in the "Near Addition" space on your prescription. The three columns (from left to right) refer to Sphere (SPH), Cylinder (CYL) and Axis. If nothing appears in this column, either you have no astigmatism, or your astigmatism is so slight that it is not really necessary to . 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 number marked 'axis' describes the orientation of astigmatism. oBundle. The AXIS, in degrees, is a number between 0 and 180. Your prescription will usually contain the following: Your optometrist or ophthalmologist will perform an eye examination to determine these values. VA, Visual Acuities- These values describe your vision (visual acuity) but are not needed to make your glasses. ; values are usually entered with computer, but may be handwritten by doctor. The SPH number on a glasses prescription is listed as a positive (+) or negative (-) number. The sphere is the indication of how strong the lenses need to be in order to correct the vision. After reading this post, you may have gotten the answers. Or, are the sphere & axis values so small they can be dropped off? There is no astigmatism correction for this eye, so no cylinder power or axis is noted. Impact resistance and prescription compliance with AS/NZS 1337.6:2010. Clicking 'I have TWO complete rows of figures on my prescription" will open up new option boxes for you to open your prescription. & Worries-free! Enter your email address to make it happen. The left eye (OS) is being prescribed -1.00 D sphere for myopia plus -0.50 D cylinder for the correction of astigmatism. SPH is a '+' or '-' value in 0.25 steps and is required to correct your nearsightedness (-) or farsightedness (+). Explained: Why do new glasses make you dizzy? 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. Your eyeglass prescription contains other terms and abbreviations as well. Your prescription gives us, your Opticians or Doctors recommendation for clear and comfortable vision. Typical SPH numbers range between 0.00 and +/- 20.00. 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. What does "SPH" appearing under Cylinder on my prescription mean? This box maybe empty or have a plus or a minus value in it. What Do The Values On Your Prescription Mean? Do not worry about entering your prescription details online. The Sphere is also used to correct the nearsightedness or farsightedness. OOPS! (See Different ways in which a prescription can be displayed below). Sphere, Cylinder, and Axis on Eye Prescriptions. CYL is a + or - value in 0.25 steps and is required to correct your astigmatism. Our friendly customer service team are on hand to help Monday to Friday 9 am-5 pm and Saturdays 9 am-12 pm. In the third part, we will show you what the Axis in glasses is. 10 Signs You Need Glasses may be helpful. It will be a number between 1 and 180. Cylinder is the indication of the lens power amount that is basically needed for the eyes disease named astigmatism (blurred vision). Our entire range of mens prescription designer glasses. The minus sign and the plus sign next to the Cylinder numbers are also for nearsightedness and farsightedness. It indicates the amount of lens power needed to correct astigmatism, measured in diopters. Download Our Mobile App for Faster Checkout. Should I get a second opinion? OD is short for the Latin term oculus dexter which means right eye. The CYL basically represents the main differences in the weakest as well as greatest eye powers which are usually separated by degrees (90). What face shape best suits cat eye glasses? The axis is the orientation of the cylinder when looking at an eye. An SPH number indicates if you are farsighted or nearsighted. For multi-focal glasses, as well as reading and computer glasses, your Rx will include an ADD or NV value. Add, Near Add, Reading Addition- These all relate to your reading addition and can be written anywhere on the prescription. Only a small amount of prescriptions will require a PRISM. Sphere means the spherical correction where the meridians of the human eye are equal. Terms of Use | Privacy Policy | Accessibility Statement. 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. It is the distance from the centre of one pupil to the centre of the other pupil measured in mm (ranges from 50 to 70mm). If your prescription includes a BVD, it is important that the lenses sit at the correct distance to ensure comfortable vision. 'Sphere' is basically a measure of how strong your prescription needs to be. If you dont have any medical issues that affect your vision, you should have a comprehensive eye exam every one to two years.