If the glasses help to improve the vision, then the person is not legally blind. Near is the prescription to correct near vision and may appear in full, or as an additional power (ADD) to the distance. (Note that this is different than a contact lens prescription). When you enter your prescription during checkout, please select "Not Applicable" for all Cylinder and Axis fields, thank you. This is always "+" value in 0.25 steps. Reply HELP for help and STOP to cancel. This figure is an indication of how much extra power is required on top of the distance prescription for near or intermediate glasses. Cylinder, abbreviated CYL, follows sphere power in your eyeglass prescription. There will also be a number in the axis column thats needed for astigmatism correction. The measurement is the Dioptre, and most values range from +0.50 to +3.50 and will go up in steps of 0.25. Typical SPH numbers range between 0.00 and +/- 20.00. On some rare occasions, you may find an AXIS value with a decimal place or fraction. If not, keep on your reading and you will find the full explanations in the following part. When people talk about their eye degree or power, they are usually referring to their SPH value. A minus sign () means it's correcting nearsighted astigmatism, while plus sign(+) means it's correcting farsighted astigmatism. You may find a number listed which helps determine the amount of lens power that is needed to correct astigmatism. The doctor wrote "SPH" in the Cylinder column. Commonly, this number will be different for each eye. Prism is used to correct eye alignment issues and can be a metric or fraction value. Your eyeglass prescription also may have a column labeled "OU." 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. We use cookies to give you a fantastic customer experience. We aim to deliver within 1-7 days and we will always attempt to notify you of any delays. 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). 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 must be logged in to manage your wishlist. This ensures that they can see clearly in class; poor vision can seriously impact a childs learning. If you experience difficulty in obtaining this measurement we can record it, if necessary, from an existing pair of your glasses, to find out more click here. VA, Visual Acuities - These values describe your vision (visual acuity) but are not needed to make your glasses. Astigmatism is often present at birth, but it can develop, or become more severe, as you get older. The CYL stands for Cylinder. SPH indicates the adjustment for spherical power, with . This is only present if your eyes do not focus well together as a pair, such as in strabismus (eye turn). During an eye exam, your doctor will determine whether you need vision correction. Similar to SPH, optometrists measure CYL in increments of 0.25 diopters. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. The numbers are from 1 to 180 in the axis part of the eye prescription. Well break down your prescription step-by-step. If you see a negative value (-) that means your child is nearsighted. It tells the optician how to orient the lens so that the cylinder has no power at the axis location. Your prescription gives us, your Opticians or Doctors recommendation for clear and comfortable vision. The AXIS stands for Axis and SPH stands for Sphere. On the eye prescription, CYL represents the cylinder correction part whether there is astigmatism or not. 'Sphere' is basically a measure of how strong your prescription needs to be. It indicates the amount of lens power needed to correct astigmatism, measured in diopters. The axis indicates the angle (in degrees) between the two meridians of an astigmatic eye. After reading this post, you may have gotten the answers. This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. This indicates the amount of lens power, measured in diopters (D), prescribed to correct nearsightedness or farsightedness. While you likely know whether youre nearsighted, farsighted or have astigmatism, determining that from your prescription slip is another thing entirely. 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. It is the amount of magnification required to "ADD" to the "SPH" value of your "Distance" prescription to correct your near vision. You can measure your current frame from screw to screw, which is already a perfect fit for you . Knowing how to read an eyeglass prescription is essential! Most values range from 0.00 to +/- 20.00 and go up in steps of 0.25. The BVD stands for Back Vertex Distance, this is a measurement that is included on any prescription where the sphere or cylinder powers are higher than + or - 5.00D and to a lesser extent some prescriptions where it is less than this power. Your optician may or may not write DS (Dioptres Sphere) in the CYL box. Here are some common prescription types to help you navigate yours. Marketing cookies are used to offer personalized advertisements. Some eye doctors have modernized this and replaced OD with RE (right eye) and OS with LE. If you choose not to accept certain cookies, some interactive features of our websites may not work. It would be entered on our website as below: Our online prescription form initially displays the most common format, Distance with a Near Add. A glasses prescription can be displayed in a number of ways. Myopia control: How to slow your child's myopia, Childrens eye care problems at school-age, How the eye works: Refraction and refractive errors, Using eye drops: How to correctly apply them. 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. Cylinder axes range from 0 to 180, and are based on a hemispheric protractor. Sphere, also known as degree or power, is the amount of single vision correction you need. Sphere, Cylinder, and Axis on Eye Prescriptions. A glasses prescription can be displayed in a number of ways. All Opticians and Doctors worldwide work to the same procedures when writing a prescription, which can be printed or written in a similar fashion to this sample prescription. You can view our cookie policy here. These links allow you to toggle the form so that it appears the same as the hard copy of your prescription, some common examples are shown below. Can someone help me out here? 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. Dist, refers to distance, this is the prescription required to correct distance vision. 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. BVD- Back Vertex Distance is the distance required from the front of your eye (cornea) to the back surface of the corrective lens. Your prescription may have a base column, or it may be included in the same column as prism this gives further information about the required prism correction, telling us the orientation needed in the lens. In nearsightedness, the person can see those objects clearly which are near to him but the far objects are blurry. With our 14-Day Fit & Style Guarantee, you can request a refund or exchange a new pair, hassle-free! The Pupillary distance is an essential measurement. If the number is positive (+), it is correcting farsightedness. Add indicates the magnifying power applied to the bottom part of bifocal, multifocal, or progressive lenses used to correct presbyopia (age-related farsightedness). Plano, Infinity, 0.00, - Basically 0.00 or no correction is required for that part of the prescription. How to Read Your Prescription for Glasses. Now that you understand those mysterious letters and numbers, you know how to read a glasses prescription! Analytics cookies are used to understand how you interact with our content. OS is an abbreviation of the Latin oculus sinister which means left eye. The 20/20 vision is the correct vision for normal eyes. By continuing to shop we will assume you are happy to receive all cookies. Consequently, 24 shown by the red line on the Continue Reading 10 Sponsored by Forbes Advisor If this column is blank, it means you dont have an astigmatism. An astigmatism is where the eye is shaped slightly like a rugby ball or referred to as toric, not a perfect sphere like a football. This indicates that your lens should be shaped to correct near vision. For the best experience on our site, be sure to turn on Javascript in your browser. However, underneath the form, you will see a set of links under the heading "Click here if your prescription looks different to this form". 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. The value may be as high as 10 and may go up in steps of or 1 Prism Dioptres. These are abbreviations for the Latin terms oculus dexter and oculus sinister. Cylinder power always follows Sphere power in an eyeglass prescription. 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? 2000-2023 AAV Media, LLC. You qualify for free shipping in the US! EyeBuyDirect has a wide variety of budget frames starting at $6. The Axis means the angle between the two meridians of an astigmatic eye. This shows how much focal point power, estimated in diopters (D), endorsed to address myopia or farsightedness.