Astigmatism is often present at birth, but it can develop, or become more severe, as you get older. 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. 1. The value may be as high as 10 and may go up in steps of or 1 Prism Dioptres. Terms of Use | Privacy Policy | Accessibility Statement. SPH is one of the parameters to report your eye prescription. EyeBuyDirect has a wide variety of budget frames starting at $6. Create an account to follow your favorite communities and start taking part in conversations. This just means the eye has difficulty focusing at certain angles. This post will explain them one by one. This correction is often used for driving, television and general wear (walking around). Our entire range of womens glasses suitable for varifocal lenses. A number over 5 is generally considered to be on the stronger side. The higher the number on your prescription, the stronger your prescription is. A minus (-) symbol next to this number means youre nearsighted, and a plus (+) symbol means the prescription is meant to correct farsightedness. Can someone help me out here? The axis indicates the angle (in degrees) between the two meridians of an astigmatic eye. 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. Find an eyewear shop nearby or online to pick your lenses and frames. See below to learn the meaning of SPH, CYL Axis, Prism, PD, and more. Sometimes they need to be adjusted by professionals. Sphere, Cylinder, and Axis on Eye Prescriptions. SPH indicates the adjustment for spherical power, with . Let's use an example to understand things better. AXISAn AXIS will only be found on your prescription if there is a CYL value for the same eye. Only one meridian will be adjusted to fix your astigmatism. In astigmatism, the curvature of the eye is imperfect. Cylinder: The cylinder (CYL) number indicates the lens power needed to correct astigmatism. Free Shipping Worldwide on Orders Over $69, Full Explanations: Sphere, Cylinder and Axis in Glasses. 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. Press question mark to learn the rest of the keyboard shortcuts. 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 online prescription form initially displays the most common format, Distance with a Near Add. In SPH, the minus sign is an indication of which condition? It is usually separated by 90 degrees. Most values range from +/- 0.25 to +/- 4.00 and will go up in steps of 0.25. The information provided on VisionCenter.org should not be used in place of actual information provided by a doctor or a specialist. There are occasions where your optician will write out your complete "Distance" prescription followed by your complete "Near" prescription. What face shape best suits cat eye glasses? 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. The term "sphere" means that the correction for nearsightedness or farsightedness is "spherical," or equal in all meridians of the eye. The store will not work correctly in the case when cookies are disabled. What the values on your prescription mean. In other words, because eyeglasses and contact lenses have different distances from your eyes, the amount of correctionneeded is also different. You've probably asked yourself many times, what does my glasses prescription mean? Add, Near Add, Reading Addition - These all relate to your reading addition and can be written anywhere on the prescription. What does "SPH" appearing under Cylinder on my prescription mean? The term "sphere" means that the correction for nearsightedness or farsightedness is "spherical," or equal in all meridians of the eye. However, underneath the form, you will see a set of links under the heading "Click here if your prescription looks different to this form". Sphere, often written as SPH, means that the correction for nearsightedness or farsightedness is spherical, equal in all meridians of the eye. 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. One FREE Frame with SV 1.56 index lenses are included ! Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. If this column is blank, it means you dont have an astigmatism. We may earn commissions if you purchase something via one of our links. You may also have an INTER ADD value used for arms-length distance tasks such as computers or reading music. If youre looking for eyeglasses that can bend without breaking, look great and enhance your vision all at o My manafest refraction test was -50 -50 110 + 250, But my rx reads -50 sph axis +250. It is measured with the unit diopters(D), indicating the lens power of the glasses. On the prescription of eyeglasses, the cylinder typically follows the sphere power. Unlike typical Rx formats, with values going from left to right, the vertical Rx values are listed top to bottom. | A minus (-) symbol next to this number means you're nearsighted, and a plus (+) symbol means the prescription is meant to correct farsightedness. To convert a multi-focal prescription for single vision reading glasses, simply combine the Add number and the Spherical number. 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. What is CYL, AXIS and SPH? The three columns (from left to right) refer to Sphere (SPH), Cylinder (CYL) and Axis. They may also enter an abbreviation "DS" (Dioptre Spheres) or "SPH" (Sphere) indicating that the correction required is spherical only. In SPH, plus sign is an indication of which condition? Cyl = cylinder or the amount or power of the astigmatism correction. When you enter your prescription during checkout, please select "Not Applicable" for all Cylinder and Axis fields, thank you. Spectacle-related eye injuries, spectacle-impact performance and eye protection. The number marked 'axis' describes the orientation of astigmatism. Axis - If an eyeglass prescription includes cylinder power, it also must include an axis value, which follows the CYL power. Impact resistance and prescription compliance with AS/NZS 1337.6:2010. Colour blindness test: Do you see colours correctly? Only a small amount of prescriptions will require a PRISM. ; values are usually entered with computer, but may be handwritten by doctor. The "Near" row or "Near Addition" contains the information required to correct your near vision. oBundle. 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. This means that a person can see the object clearly at 20 feet. In eye prescription, what does CYL means? 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. Reddit and its partners use cookies and similar technologies to provide you with a better experience. 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". You should have a number under the CYL column too. In the context of an eye prescription. For example, "1.5" or 1. What does sphere cylinder and axis mean? BVD- Back Vertex Distance is the distance required from the front of your eye (cornea) to the back surface of the corrective lens. Sphere, Cylinder, and Axis on Eye Prescriptions Sphere: The sphere (SPH) on your prescription indicates the lens power you need to see clearly. In the second part, we will explain what the Cylinder in glasses is. Pupillary distance explained: how to measure PD. What do the values on your prescription mean? The measurement is Prism Dioptre. The sphere is the indication of how strong the lenses need to be in order to correct the vision. 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. Cylinder ( CYL) Cylinder indicates the amount of lens power for astigmatism. Standard msg & data rates may apply. Copyright 2022 VisionCenter.org. Your optician may or may not write DS (Dioptres Sphere) in the CYL box. If the axis changes by more than 90, you need to consult an eye specialist. What Do The Values On Your Prescription Mean? For more help finding your perfect pair of glasses, see our complete Size Guide. The axis is labeled as a number from 1 to 180. Well break down your prescription step-by-step. What is a contact lens eye exam and fitting? The "Distance" row contains the values required to correct your distance vision for the respective eye. To make a purchase on our Canadian site, you'll need to create a separate account. If your prescription only shows the SPH box with a value, leave the CYL and AXIS blank. What is CYL in glasses? Common abbreviations that appear on your prescription. 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. It is measured with the unit diopters (D), indicating the lens power of the glasses. SPH, or sphere, refers to the amount of correction needed for nearsightedness or farsightedness. If you have an astigmatism, you will find a "+" or "-" value in this box.