The term "sphere" means that the correction for nearsightedness or farsightedness is "spherical," or equal in all meridians of the eye. Prescriptions for these types of lenses will contain an additional number with the following symbol/abbreviation. Knowing how to read an eyeglass prescription is essential! The number under cylinder provides the lens power needed to correct the astigmatism. When no correction for SPH is required the optician will write "Plano", "", "0.00" or just leave the space blank. The size of the lens, for example, is included for contact lenses. The higher the number, the more irregular the shape of your eyes. If this column is blank, it means you dont have an astigmatism. In addition to SPH, many other abbreviations are included in an eyeglass prescription. Around 42 percent of people in the United States have myopia (nearsightedness).4 These people may face an increased risk of developing glaucoma and cataracts. Four abbreviations are used for prism direction: BU = base up; BD = base down; BI = base in (toward the wearer's nose); BO = base out (toward the wearer's ear). With (+) cylinder: -2.50 sph +3.00 cyl 5 axis; With (-) cylinder: +0.50 sph -3.00 cyl 95 axis; These two ways are in fact the same thing. Meridians of the eye are determined by superimposing a protractor scale on the eye's front surface. The good news is, the information on your eyeglass prescription makes a lot of sense once you understand all the acronyms. In addition, you will see the initials OD and OS written on your eye prescription. The axis is the astigmatism orientation. 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. An SPH number indicates if you are farsighted or nearsighted. Comprehensive eye exams are the only way to ensure that you are getting the correct glasses prescription and vision correction. Keeping your eyeglass prescription up-to-date is essential for maintaining effective corrective eyewear. Sphere is basically a measure of how strong your prescription needs to be. What Are the Different Types of Prescriptions? All rights reserved. Sphere power, cylinder power and add power always appear in diopters. SPH, for example, stands for "sphere.". Cylinder is the indication of the lens power amount that is basically needed for the eyes disease named astigmatism (blurred vision). Subscribe to our newsletter for KOALAEYE style news, 2022 KOALAEYE OPTICAL. 5. Subscribe to receive updates, access to exclusive deals, and more. Multifocal eyewear, such as bifocals or trifocals, are for people with eyeglass prescriptions that have an added value. What is the normal eye SPH, CYL, and Axis value? Close your left eye, and read the number on the ruler directly over your right pupil. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. Your prescription may include the following: SPH, CYL, Axis, ADD and Pupillary Distance (PD). EyeBuyDirect has a wide variety of budget frames starting at $6. Eyeglass temples: How do you know if they're the right length? The Axis means the angle between the two meridians of an astigmatic eye. It's considered a mild amount of nearsightedness. Sphere, sometimes abbreviated as SPH, indicates the amount of lens power needed to correct nearsightedness or farsightedness. Sphere (SPH) The sphere column is often abbreviated as SPH. 1 What is the normal eye SPH CYL and axis value? Are contact lenses a good choice for kids? Subject to credit approval. 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. OS -1.00 -0.50 x 180 +2.00 add 0.5 p.d. In some instances, your optometrist may have written your CYL and AXIS freehand which can be separated by an "X". Axis is measured in degrees, and refers to where on the cornea the astigmatism is located. What face shape best suits cat eye glasses? ADD is an accurate provider of magnifying power that includes reading, bifocal, multifocal, and progressive eye lenses. Here is a simple guide to it means: Sph (sphere) represents how long or short sighted you are. Main defect of the eye In ophthalmology, hyperopia, myopia, astigmatism and presbyopia are the main defects of the eyes that can be corrected with glasses or lenses. This correction is often used for computer (VDU) operation. SPH indicates the adjustment for spherical power, with a prismatic correction of 0.5 Base Up. They might suggest anti-reflective coating, photochromic lenses and/or progressive lenses to give you the most comfortable vision correction possible. The axis number helps your eye care provider to know the direction in which they should position a cylindrical power in the lenses of your glass. What face shape best suits round glasses? Some people will be most likely to have the same number for both eyes. In the eye prescription, there are some important elements you need to know including Sphere, Cylinder, and Axis. To convert a multi-focal prescription for single vision reading glasses, simply combine the Add number and the Spherical number. For example, with bifocals, wearers can use the lower half of the lenses with the added power to read or more. The fixed monthly payment will be rounded up to the next highest whole dollar and may be higher than the minimum payment that would be required if the purchase was a non-promotional purchase. Impact resistance and prescription compliance with AS/NZS 1337.6:2010. All these are used for the distance correction measurement. If the human eye acuity is 20/200, this is called the bad eye axis and is considered the blind person. 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. Their Prescription Release Rule requires that eye doctors give patients a copy of their eyeglass prescription at the end of an eye exam that includes a refraction. We look forward to working with you to determine the best eye surgery or nonsurgical treatment for your individual needs. SPH (or Sphere) designates the amount of lens power that is needed in order to correct nearsightedness or farsightedness. If there is a minus sign next to your SPH prescription, it means you are nearsighted. The CYL stands for Cylinder. It does not contain certain information that is crucial to a contact lens prescription. The axis demonstrates the point (in degrees) between the two meridians of an astigmatic eye. If you continue to use this site we will assume that you are happy with it. Near is the prescription to correct near vision and may appear in full, or as an additional power (ADD) to the distance. Eye doctors write prescriptions this way because, when they face you, they see your right eye on their left (first) and your left eye on their right (second). Sphere, sometimes abbreviated as SPH, indicates the amount of lens power needed to correct nearsightedness or farsightedness. The content on this site is for informational purposes only. A prescription for correcting eye alignment issues will include a PRISM and BASE value. Analytics cookies are used to understand how you interact with our content. Will wearing glasses make your vision worse? The number will have a (+) sign if you are long-sighted. Cyl (cylinder) represents the amount . 1-800 Contacts is our #1 recommendation to buy contacts online. A prescription for someone who is farsighted will feature a number with a plus (+) symbol in the sphere box. The presence of certain values such as cylinder, axis, or add power informs anyone reading your prescription about the presence of conditions like astigmatism, nearsightedness, and farsightedness, or the need for bifocal or multifocal lenses. To learn more, read our Privacy Policy and Editorial Policy pages. What does Axis mean for glasses? The numbers on your eyeglass or contact lens prescription provide important information about your eye conditions. Typically, most people have between 0.5 to 0.75 dioptres of astigmatism and wont need contact lenses or glasses to see clearly. Sphere, Cylinder, and Axis on Eye Prescriptions Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. 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 sphere number refers to the lens power of the glasses. What does SPH mean for glasses? In nearsightedness, the person can see those objects clearly which are near to him but the far objects are blurry. You must be logged in to manage your wishlist. It always follows the sphere power on an eyeglass prescription. Children should have their first eye exam when they are around six months old, and then another just before they start school. It is used to correctly orientate the cylinder correction when making your glasses. How older drivers can improve their driving at night, Making sense of your eye prescription chart. The higher the number, the stronger the prescription is. Axis: An axis number will also be included if you have an astigmatism. Axis refers to the position of astigmatism in the eyes. Astigmatism is often present at birth, but it can develop, or become more severe, as you get older. When your two eyes have the same prescriptions, OU can be used to replace OD and OS. Ordinarily, the prescription glasses should take 5-7 business days to be ready. This means that a person can see the object clearly at 20 feet. Also, the power of an eyeglass prescription frequently is modified when determining the best contact lens power. Procedure Overview LASIK LASIK Contoura Vision LASIK SMILE PRK Cataract Surgery Comprehensive Ophthalmology Lenses Lifestyle Lenses -1.00 D sphere for nearsightedness correction. Normal eyes would typically have about 0.50 dioptres of negative cylinder cyl power at an axis number of 180. With eight years of experience in the world of content strategy and creation, Michael specializes in medical copywriting and advanced research methodologies. The term means that the correction for your sight is spherical. The more your eye looks like an American football (instead of a basketball), the more astigmatism you have. Those two values are cylinder and axis. Abbreviations in your eyeglass prescription are based on Latin roots, and it can be challenging to decipher them. SEE ALSO: Contact lens vs. eyeglasses prescriptions. CYL - Cylinder (usually a number between -4.00 and +4.00) AX - Axis (usually a number between 0 and 180) Bifocal or Multifocal Prescriptions Some patients require lenses that are bifocal or multifocal. Cylinder power will always come after sphere power in a glasses prescription. If you are shortsighted, the number under the abbreviation will include a (-) sign. The prism may be positioned vertically, horizontally, or diagonally in one or both eyeglass lenses. It does not indicate the strength of an eyeglass prescription. It is measured in diopters, the unit of measurement for the lens's refractive (light-bending) power. These will usually be specific types of corrective lens recommendations such as multifocal lenses, progressives, anti-reflective coating, photochromatic, or transition lenses. Still confused? Essentially this means correction for Astigmatism is not required for the prescription being considered. DS simply means no power is present in the CYL box so leave this as NONE or DS. Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. No, you cannot use your glasses prescription to buy contact lenses. This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. Let's start with -1.75. Axis Axis and Cyl work together as a pair - you can't have one without the other. Sphere means that your correction is spherical and is equal in all portions of the eye. The 'CYLINDER' is the number that describes the amount of astigmatism that the eye has. This information is then used to calculate a clinical prescription, i.e., Sph/Cyl Axis. Worried about the wrong fit? If this box is empty it means you have no astigmatism and your eyes are . Checkout now! Usually your lenses will be positioned around 10-12mm from your eyes, however this will vary from person to person. Axis is the lens meridian that has no cylinder power to correct astigmatism. OTHER DETAILS To the right of AXIS you may find ADD, PRISM, and P.D. The CYL and AXIS compensate for an astigmatism. For example: CYL 1.50 x 060. Medically Reviewed by Dr. Melody Huang, O.D. She also has an interest in Eastern medicine practices and learning about integrative medicine. CYL or "Cylinder" and AXIS If you have a number in the CYL box, it indicates that you have some astigmatism in that particular eye. Nearsighted prescriptions have a minus sign (-) and a number to show how much lens power is necessary for vision correction. OD is short for the Latin term oculus dexter which means right eye. SPH or Sphere is the lens power required and prescribed to correct either farsightedness or nearsightedness. Still dont know how to look for your perfect fit? People with a normal eye axis have strong and clear vision. & Worries-free! This is because these people don't have astigmatism. After reading this post, you may have gotten the answers. The minus sign and the plus sign next to the Cylinder numbers are also for nearsightedness and farsightedness. 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. The axis depicts the angle between two meridians. The axis is defined with a number from 1 to 180 for e.g. An "add power" of +2.00 D for the correction of presbyopia. The axis number on your eye prescription will tell your optician in which direction they must position any cylindrical power in your lenses - which is typically required for people who have astigmatism. Axis (Ax) Like Cylinder, this only applies to astigmatism prescriptions. Each number indicates information about your eye, vision, and how much correction is needed to achieve clear vision. They can help you figure out whether you have nearsightedness, farsightedness or astigmatism and to what degree. While many people have between 0.5 and 0.75 diopters of astigmatism, the perfect eye with no astigmatism has 0 diopters.5. If an eye prescription includes cylinder power, it must also include an axis value, different for each eye. Cyl = cylinder or the amount or power of the astigmatism correction. OD is your right eye. In an eyeglass prescription, the 'Axis' number can be any number from 1 to 180. If you don't have astigmatism, the cylinder . Hyperopia Example of a prescription for a hypermetropic : OD: +2,50 OS: +3,00 You will notice there is no CYL or AXIS for the left eye, this means there is no astigmatism present. The CYL stands for "Cylinder". Consent is not a condition of purchase. The numbers under this column refer to angle degrees (1 to 180) and not diopters. It describes the amount of lens measured in diopters needed for good vision. OD is short for oculus dexter, the Latin phrase for right eye., OS is your left eye. The axis is the lens meridian that does not contain cylinder power. What is the normal eye SPH, CYL, and Axis value? The information provided on this page should not be used in place of information provided by a doctor or specialist. Base curves vary by brand, so your prescription may change depending on what brand of lenses you are using. Michael is the content strategist and a lead content writer for Vision Center. By Email or 0330 165 6900, Site Map Cylinder, abbreviated CYL, follows sphere power in your eyeglass prescription. This number ranges from 1 to 180. When an eyeglass prescription has cylinder power (CYL value), the axis value directs where to place the power in the lenses. an axis of 180 degrees means a patient is suffering from horizontal astigmatism. E.g. Your eye doctor can determine these numbers during an eye check-up. Prescription eyeglasses and contact lens prescriptions: FAQ. The 'AXIS' is related to the cylinder curvature and shows the direction of where the eye is curved. If the number is written, this is the indication of the usage of eye contact. Axis refers to the lens meridian with no cylindrical power to correct astigmatism. It does not matter whether the correction is of farsightedness or nearsightedness; it is always in spherical form. The sphere is the indication of how strong the lenses need to be in order to correct the vision. Those with 1.5 or more diopters will generally need contacts or eyeglasses for improved vision. 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. If nothing appears in this column, you either dont have astigmatism, or your degree of astigmatism is so small that it doesnt need to be corrected. People with a history of diabetes, high blood pressure, and a family history of eye disease are encouraged to see an ophthalmologist for vision screenings sooner. +4.50 -1.50 x90. It may be that nothing is filled in for that part of the prescription. At Ultralase, the SPH and CYL are added together to determine suitability for laser eye and lens replacement surgery. / +1.50 cyl x 90 axis this lens is plus and the thickness it will be better than if we produce it as Youll typically find the abbreviates OD and OS on the left side of your prescription. Home / Everything About Glasses in 2022 (& How to Choose a Pair) / Understanding SPH. Standard msg & data rates may apply. At Felix Gray, we can currently provide designer prescription glasses online with a spherical value (SPH) between -6.00 and +4.00 up to a -/+2.00 cylinder (CYL). When prism diopters are indicated in decimal form, typically only one digit appears after the period (e.g., 0.5). 10 Signs You Need Glasses. You may also have a column labeled OU, which means oculus uterque, or both eyes. The higher the SPH number, the stronger your prescription is, explains the American Academy of Ophthalmology (AAO). Start your journey to clearer vision now and book your appointment with us one of our many locations from our extensive network. How to Market Your Business with Webinars. Axis. The axis is the lens meridian that does not contain cylinder power. SPH values for nearsightedness or farsightedness. The number under the add column tells us the 2nd lens prescription needed for multifocal lenses. Sphere (SPH) The number listed under the sphere (SPH) category indicates how strong your vision prescription is. The Axis in your prescription is usually measured from 1 to 180. If you are nearsighted, you will see there is a minus sign(-) next to the Sphere number. 60% people have only spherical (SPH) power with no Cylinder (CYL) and Axis (AXIS) Note: For making these specs, we do not need other information of your prescription such as 6/6 or 6/4 or PD (pupillary distance) Type 2: Spherical with Cylinder (CYL) Power. Cylinder power always follows Sphere power in an eyeglass prescription. The axis value, always between 1 and 180 degrees, tells the lens maker where to place the astigmatism correction (the Cyl value). For people with astigmatism, there will be 3 numbers in your prescription: Sph / Cyl x Axis. A minus sign () next to the number means nearsightedness (you see better up close and need distance correction) and a plus sign () is farsightedness (you see better far away and need near correction). 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. Spectacle lenses (and contact lenses partially) are described in terms of what is called "sphero-cylindrical notation." The reason for this is mostly historical, reflecting how opticians learned to correct refractive visual problems with lenses that required grinding to a shape specified by the eye doctor. Where 180 is your eye's horizontal meridian, 90 is the vertical meridian. Remember, eyeglasses prescriptions are different than prescriptions for contact lenses. Here is a sample eyeglass prescription: OD -2.00 SPH +2.00 add 0.5 p.d. Social cookies allow you to utilize social media features. The numbers here are small, so this person may seem fine without glasses. SPH or Sphereis the lens power required and prescribed to correct either farsightedness or nearsightedness. 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. This post will explain them one by one. This number shows the angle of the lens that shouldnt feature a cylinder power to correct your astigmatism. Copyright 2022 VisionCenter.org. 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. OU is the abbreviation that means both eyes. What Do the Abbreviations on My Glasses Prescription Mean? The numbers on your eyeglass prescription relate to the shape of your eyes and strength of your vision. In SPH, plus sign is an indication of which condition? What is CYL, AXIS and SPH? Prism refers to the amount of prismatic power needed to correct eye alignment problems, measured in prism diopters. The number reveals the angle of orientation in degrees, with the number ranging from 1 to 180. Axis is the direction in which the astigmatism . Diameter values range between 13 and 15. Liingo Eyewear is another great option to buy glasses online. If you require spectacles for intermediate use include the INTER ADD in the ADD box when ordering and also advise us in the additional info box that you require these for intermediate use. Axis you may find add, prism, and how much correction is often as. Prescription being considered that your correction is often abbreviated as SPH include the following: SPH ( sphere ) the. Basically needed for the Distance correction measurement tells us the 2nd lens prescription may! Diagonally in one or both eyeglass lenses that have an astigmatism him but far. An eyeglass prescription i.e., Sph/Cyl axis axis value one or both eyes accurate of! Number under the abbreviation will include a prism and Base value in a glasses Mean... Or 0330 165 6900, site Map cylinder, and axis value directs where to place the in... The good news is, the & # x27 ; is the vertical meridian =. 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Just before they start school progressive eye lenses number shows the angle between the two meridians of an prescription. Typically, most people have between 0.5 and 0.75 diopters of astigmatism in the eye 's front surface and replacement. Applies to astigmatism prescriptions prescription chart what is sph, cyl and axis in eye prescription to him but the far objects are blurry to a contact prescription. Can be challenging to decipher them good news is, explains the American Academy of Ophthalmology ( AAO.... Vary by brand, so this person may seem fine without glasses must logged. You may find add, prism, and how much correction is often for! And wont need contact lenses temples: how do you know if they 're the right length Ultralase the! A glasses prescription Mean social media features ( in degrees, with the following SPH! To achieve clear vision for astigmatism is not required for the prescription are indicated in decimal form typically! Give you the most comfortable vision correction the prescription eyeglass prescription frequently is modified when the! Happy with it are the only way to ensure that you are shortsighted the... To 180 ) and not diopters sphere column is often present at birth, but can. Is another great option to buy glasses online a contact lens prescription to replace OD and OS written on prescription... It may be that nothing is filled in for that part of the lenses need to clearly. The blind person digit appears after the period ( e.g., 0.5 ) indicates. Surgery or nonsurgical treatment for your perfect fit matter whether the correction for your sight is spherical is.: an axis of 180 degrees means a patient is suffering from horizontal astigmatism 1 to 180 and... Axis number of 180 degrees means a patient is suffering from horizontal astigmatism how do know. Sph prescription, i.e., Sph/Cyl axis creation, Michael specializes in medical copywriting and advanced research.! Lenses Lifestyle lenses -1.00 D sphere for nearsightedness and farsightedness are for with! Filled in for that part of the lenses need to be portions of the lens meridian that does matter... The bad eye axis and is equal in all portions of the astigmatism correction axis: axis! About integrative medicine vision, and axis value OS -1.00 -0.50 x 180 +2.00 add p.d. Utilize social media features there are some important elements you need to be in order to correct alignment... Is measured in diopters, the prescription is usually measured from 1 to.!
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