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It may look incomprehensible, but in reality, those numbers are easily decipherable. Basically, your eye doctor has written a series of numbers indicating the type and extent of your vision problem. For example, the spherical error (SPH) on your eyeglass prescription refers to how much correction you need if you are farsighted or nearsighted. If you have astigmatism, you’ll have a cylinder number indicating how much lens power you need to correct blurry, distorted vision.
For people who need reading or multifocal correction, they’ll have an ADD (additive power) number scribbled on their prescription. And just for clarity, those “+” or “-” signs you see scattered around those numbers just tell our eyeglass prescription interpreters how much correction is needed.
Ordering glasses online also requires your pupillary distance number, or the distance between the pupils. We need this information to determine where your lenses need to be placed in the frames you select. Check out EyeBuyDirect's guide for how to read your prescription.
When you’re entering information about your online prescription eyeglasses, just click “add prism” and we will make sure your lens contains prism correction. Sometimes, images seen by one eye are not in line with images seen by the other eye. This means you may see two images instead of one, clear image. Lenses enhanced by prism correction ensure images remain in binocular sync so that everything you see is crystal-clear. Prescriptions specifying prism correction will also include a base number describing displacement direction.
If you realize you’ve made a mistake entering prescription information, don’t panic! Just call us, give us your order number and the corrected prescription within one hour of ordering. After ordering your prescription glasses online with EyeBuyDirect, you can expect delivery within seven to 14 business days of placing your order. We have a variety of payment options, including MasterCard, Visa, AMEX, Discover, PayPal and Amazon.
When you order prescription eyeglasses online with us you will receive a 14-day fit and style guarantee and a 12-month guarantee overall. Browse our catalogue offering 1200+ frame styles, as well as trendy tinting options to protect your eyes from UV rays. If you have any questions about entering prescription lens information, please call 1-855-393-2891, Monday through Friday, during our regular business hours.