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1. • • The amount of astigmatism (visual distortion) that is caused by an irregularly shaped cornea. An empty box means there is no astigmatism and your eyes are perfectly spherical. A low number like 0.25 means your eyes are not quite round and a higher number like 3.00 means your eyes are quite oval.
     www.specsavers.com.au/eye-tests/your-prescription-explained

     How To Understand Your Eye Prescription - Specsavers Australia

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   What do the numbers on my glasses prescription mean?

   • The numbers on your prescription relate to the strength of the lens you require for each eye. Sometimes these can be the same number or differ depending on the left and right eye condition. But ultimately, the higher the number, the stronger the prescription. Why do I need a glasses prescription? Eye prescriptions are actually very important.

   How To Read Your Glasses Prescription Correctly - Lensology

   lensology.co.uk/how-to-read-your-glasses-prescription-correctly-and-understand-it/

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   What does a minus on a glasses prescription mean?

   • A plus or minus before a number on your glasses prescription indicates whether you are short-sighted (+) or long-sighted (-). This sits under the SPH column of your glasses’ prescription chart before the number. The higher the number, the more long or short-sighted you are. What do the letters mean on my glasses prescription chart?

   How To Read Your Glasses Prescription Correctly - Lensology

   lensology.co.uk/how-to-read-your-glasses-prescription-correctly-and-understand-it/

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   What does the information on my glasses prescription mean?

   • The information on your prescription tells the technician the current condition of your eyes and what’s required to correct your vision. Depending on where you have your eye test, glasses prescriptions can alter slightly. On most prescriptions, you’ll notice a chart with different words, abbreviations and numbers.

   How To Read Your Glasses Prescription Correctly - Lensology

   lensology.co.uk/how-to-read-your-glasses-prescription-correctly-and-understand-it/

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   What do the abbreviations on my eyeglass prescription mean?

   • Your eyeglass or contact lens prescription will contain various abbreviations, many of which will be followed by numbers. Here’s a summary of what these abbreviations mean: ADD stands for the additional lens power needed to make it easier for you to read.

   How to Read an Eye Prescription: What the Numbers Mean - Healthline

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   What does CYL mean on glasses?

   • The CYL number on your glasses’ prescription also indicates the angle of your astigmatism in degrees. The prism on your eye prescription highlights that your left and right eyes are not working effectively together. This section provides information to help correct any differences between the eyes, often reducing double vision and headaches.

   How To Read Your Glasses Prescription Correctly - Lensology

   lensology.co.uk/how-to-read-your-glasses-prescription-correctly-and-understand-it/

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   What does a cylinder mean on an eyeglass prescription?

   • Cylinder indicates the amount of lens power needed for astigmatism. It always follows the sphere power on an eyeglass prescription. The number in the cylinder column may have a minus sign (for correction of nearsighted astigmatism) or a plus sign (for farsighted astigmatism).

   How to read your eyeglasses prescription - All About Vision

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3. www.specsavers.co.uk › glasses › your-prescriptionYour Glasses Prescription Explained - Specsavers UK

   www.specsavers.co.uk › glasses › your-prescription

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   What does PRISM mean on my glasses prescription? If you require a prismatic correction in your glasses this usually indicates that your eyes aren’t working well as a pair. Prism lenses will provide the correction you need and help prevent double vision or headaches.

4. www.retrospectacle.co.uk › blogs › newsUnderstanding Your Spectacle Prescription: A Guide to Clearer ...

   www.retrospectacle.co.uk › blogs › news

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   If you see a CYL value of -1.00 with an Axis of 180, it means your right or left eye requires a slight adjustment at the 180-degree orientation to make things sharper. Without this correction, objects might appear blurry or distorted at certain angles. Add: If your prescription includes an "Add" value, it means you need bifocals, progressive ...

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6. lensology.co.uk › how-to-read-your-glassesHow To Read Your Glasses Prescription Correctly - Lensology

   lensology.co.uk › how-to-read-your-glasses

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   May 2, 2023 · What do the ‘+’ and ‘-‘ mean on my glasses prescription? A plus or minus before a number on your glasses prescription indicates whether you are short-sighted (+) or long-sighted (-). This sits under the SPH column of your glasses’ prescription chart before the number. The higher the number, the more long or short-sighted you are.

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7. www.healthline.com › how-to-read-eye-prescriptionHow to Read an Eye Prescription: What the Numbers Mean

   www.healthline.com › how-to-read-eye-prescription

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   Aug 6, 2024 · The abbreviations and numbers on your eyeglass prescription describe the type and strength of lenses you need, and the degree of nearsightedness, farsightedness, or astigmatism in each of your...

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     How to Read Your Glasses Prescription | Clearly

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     Your Glasses Prescription Explained | Specsavers

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     Glasses and Contact Lens Prescription Explained | Eyes Explained

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9. www.allaboutvision.com › eyeglasses › eyeglassHow to read your eyeglasses prescription - All About Vision

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   Feb 27, 2019 · Learn how to read and understand the letters, numbers and symbols on your eyeglasses prescription. Discover why contact lens prescriptions differ from eyeglass prescriptions, and what all those numbers mean.

   • Your eyeglass prescription contains other terms and abbreviations as well. These include:Sphere (SPH). This indicates the amount of lens power, mea...
   • Confused? Let's use an example to clear things up. (Pun intended.)Here is a sample eyeglass prescription:In this case, the eye doctor has prescribe...
   • Eyeglass and contact lens prescriptions aren't the same. An eyeglass prescription is for the purchase of eyeglasses only. It does not contain certa...
   • The Federal Trade Commission is the U.S. government's consumer protection agency, and in 1980 the FTC's Prescription Release Rule became law. The r...

10. www.charroneye.com › post › how-to-read-yourWhat The Numbers On Your Glasses Prescription Mean. All You ...

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    Nov 29, 2020 · In this post you'll learn... Where each number goes on your glasses prescription. What the lenses looks like when we change the numbers. How the changes in the lenses alter your sight and perception. How the Optometrist uses the phoropter to measure each of those parts of your glasses prescription.

11. www.zennioptical.com › blog › decoding-glassesDecoding Your Glasses Prescription: A Step-by-Step Guide

    www.zennioptical.com › blog › decoding-glasses

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    Apr 24, 2024 · Demystify your glasses prescription with our simple guide. Understand the abbreviations and numbers to decode your vision correction needs.