eyeglass prescription meaning
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Eyeglass prescription Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.
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Understanding My Eye Prescription 1 Astigmatism –The second number in your prescription identifies what degree of astigmatism you have i.e. how well or poorly your eye focuses light onto the retina. 2  The number can be written either with a (+ sign) or a (- sign). 3  This number is called your cylindrical correction.
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HOW TO READ YOUR EYEGLASS PRESCRIPTION YOUR EYEGLASS PRESCRIPTION DECODED. Your eyeglass prescription is typically written in a grid like the one below, using a combination of terms, abbreviations, and numbers. Usually you’ll see these abbreviations along the left side: O.D. stands for oculus dexter, meaning right eye. O.S. stands for oculus sinister, meaning left eye. O.U. stands for and oculus uterque, meaning both eyes.
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Understanding Your Glasses Prescription: What the Numbers Mean How to Read Eyeglasses Prescriptions. When you look at a standard prescription, the first word you'll see is Distance.. This term refers to what power of lens you will need to see distant objects clearly. Your ophthalmologist or optometrist determines this power by trying different lenses while you read an eye chart in the exam.
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How to Read Your Eyeglass Prescription When you look at your prescription for eyeglasses, you will see numbers listed under the headings of OS and OD. They are Latin abbreviations: OS (oculus sinister) means the left eye and OD (oculus dextrus) means the right eye. Occasionally, you will see a notation for OU, which means something involving both eyes.
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- We fill most eyeglasses prescriptions discounted up to as much as 50% off regular retail prices. Browse the leading designer eyeglasses brands on our site or call us at 1-800-850-5747. We're the online optical store for eyeglasses, sunglasses, contact lenses and eyewear with special discount benefits for our military personnel.
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- Interprets eyeglass or contact lens prescriptions written by ophthalmologists or optometrists. Measures a customer's face and eyes to ensure proper fit of eyeglasses or contact lenses. Assists customers in selecting frames based on their prescription and life style. Instructs the customer with eyeglass and contact lens care and use. Ensures finished lenses are ground to specifications and checks that eyewear fits properly. May require an associate's degree, 2-4 years of related experience, and must be a licensed optician.
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How To Read Your Eyeglass Prescription In addition to the information in an eyeglass prescription, a contact lens prescription must specify the base (central) curve of the back surface of the contact lens, the lens diameter, and the specific manufacturer and brand name of the lens.
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HOW TO READ YOUR EYEGLASS PRESCRIPTION SPH(or Sphere) indicates the eyeglass prescription power, or how strong your lenses need to be to correct your vision. For an indicator of how much magnifying power is needed in a bifocal or progressive lens to correct your vision problems, look for ADD.
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Understanding Your Contact Lens Prescription If you're in the U.S., your contact lens prescription is yours to keep. In fact, by law your eye care practitioner must give you a copy of your prescription at the conclusion of your contact lens exam and fitting — even if you don't ask for it. Eye doctors use standard terms, abbreviations and measurements to write contact lens prescriptions.
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How to Read an Eyeglass Prescription So the prescription for reading glasses for the right eye would be -0.25 – 0.50 x 180. For the left eye, the calculation is +1.75 +1.00 = +2.75 D.S. Note that most people have prescriptions unlike the example shown above and usually have numbers similar in power for both eyes.
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- This comes in the form of a graph or table in your eye care paperwork. Although this is the standard form, the terms on the columns or axes of the graph varies according to your doctor's preference. Make sure you are looking at the contact lens prescription, not your eyeglasses prescription.
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How to Read an Eyeglass Prescription By Troy Bedinghaus, OD. Updated May 04, 2016. If you've ever looked closely at your eyeglass prescription, you've probably wondered how to make sense of all those numbers and symbols. In order to be interpreted worldwide, eyeglass prescriptions are written in a standardized format with common notations. Here's a look at a sample eyeglass prescription and a walk-through on how to read it:
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- Your glasses prescription explained. Your glasses prescription explained. Your glasses prescription explained. Once your eye examination is complete and all the necessary tests have been done, the optometrist will give you a copy of your prescription. This contains the precise measurements of the type of prescription lenses that you will need in order to have the clearest, most comfortable vision.
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- Contact lens prescriptions are more complex and may take more than one visit to finalize. Again, once the fitting is completed, we will provide you with a copy of your contact lens prescription. In general prescriptions for eyeglasses, sunglasses and contact lenses are valid for one year from the date written. We provide complete and convenient eyeglass and contact lens services in all offices and we also guarantee both the best price and your complete satisfaction on everything we do.
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- A contact lens prescription is not the same as an eyeglass prescription. In addition to the lens power, your contact lens prescription contains several other pieces of information related to the size of the lens.Even the power of the lenses is generally not the same as in your eyeglass prescription.n addition to the lens power, your contact lens prescription contains several other pieces of information related to the size of the lens. Even the power of the lenses is generally not the same as in your eyeglass prescription.
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How To Read Eyeglass Or Contact Lens Prescription The spherical equivalent power of a lens prescription is the average of the dioptric powers in all meridians of a lens. To obtain this value, add half of the cylinder power to the sphere power. In other words, do the following: Divide the cylinder power by 2.
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How to Read Your Eyeglass Prescription So you’ve been handed a piece of paper by your optometrist or ophthalmologist with your eyeglass or contact lens prescription. Perhaps you’ve been given these pieces of paper for many years. It’s full of mysterious abbreviations, terms and numbers, and you’re curious….
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- Your prescription provides us with the necessary information to fabricate your eyeglasses correctly. Below is a sample of the most common type of prescription that doctors use.
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prescription prescription (prēskrip´shən) , n a written direction for the preparation and use of medicine or an appliance; a medical recipe; a prescribed remedy. Also used in dentistry to describe the treatment plan.prescription, extemporaneous, n 1. (magistral prescription) a prescription for a nonofficial drug.n 2. a prescription that directs the pharmacist to compound the specified medication, as contrasted with a prescription that specifies medication available in precompounded form. prescription, magistral, n See prescription, extemporaneous. 1. (magistral prescription) a prescription for a nonofficial drug. n 2. a prescription that directs the pharmacist to compound the specified medication, as contrasted with a prescription that specifies medication available in precompounded form.
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prescription prescription - a drug that is available only with written instructions from a doctor or dentist to a pharmacist; he told the doctor that he had been taking his prescription regularly. ethical drug, prescription drug, prescription medicine.
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What is a Prescription? This page answers the question, What is a Prescription? A prescription (℞) is a written order by a physician or medical doctor to a pharmacist in the form of medication instructions for an individual patient. It can also be defined as an order to take certain medications.
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Medical prescription A prescription (℞) is a health-care program implemented by a physician or other qualified practitioner in the form of instructions that govern the plan of care for an individual patient.rescription may also be used as a short form for prescription drugs to distinguish from over-the-counter drugs. In reference to the entire system of controlling drug distribution (as opposed to illicit drugs), prescription is often used as a metaphor for healthy directions from a prescribing medical practitioner.
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Prescription Glasses and Contact Lenses If you get a fitting for glasses or contact lenses, the eye doctor must give you a copy of your prescription – whether you ask for it or not. It’s the law. The doctor can’t require you to pay an extra fee, buy eyeglasses or contact lenses, or sign a waiver or form.
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- If both of your eyes require the same prescription, you will see the term oculus uterque, or OU, meaning that the prescription is for both eyes. Most terms on contact lens prescriptions are measured in diopters, a unit of refractive power that is equal to the reciprocal of the focal length in meters of a lens.
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How to Read and Enter Your Eyeglass Prescription OD - This is shorthand for oculus dextraous which means Right Eye. OS - This is shorthand for oculus sinister which really means Left Eye. OU - This is shorthand for oculus uterque which really means Both Eyes. If you see this, you'll want to enter the prescription the same on both eyes. Sphere or Power - SPH or PWR - This is the main strength of your eyeglass prescription, and is written in 0.25 increments. If the field has 'SPH', 'PL', 'PLANO', or '00', this means your there is a 0.00 power as should be entered as so.