To make the right choice when it comes to eyeglasses, you must have an up-to-date prescription, know your PD or pupillary distance, understand your frame measurements, choose the right style and materials, and purchase from a store that has a return policy. What follows is a guide to
buying eyeglasses online: your essential checklist.

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Eye Examination
Before you purchase a new pair of eyeglasses, if you have not had a recent eye examination, you will need to get one. This should be a comprehensive eye exam with an optometrist that ensures the prescription is accurate.
Plus, your PD or pupillary distance must be measured as well. The optometrist will do this for you. However, if you have an up-to-date prescription and do not know the PD, then you can use online tools to make that determination.
Be sure to include all the details of your prescription which includes the cylinder, axis, and sphere to ensure a proper fit. Once you have all the information, you can proceed to the frames.

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Choose the Right Frames
The first consideration is the shape of your face. You’ll want frames that compliment your face which means starting with the basics. For example, if you have a round face, then angular frames are generally the best. While square faces are complimented by round frames.
Next is selecting the materials from which the frames will be made. The best options are materials that are strong, but lightweight and durable. The most common types of materials used include plastic, titanium, and other strong metals.
To ensure a comfortable fit, you will need to know the measurements of the frames. This includes the width of the lens and bridge along with the length of the temple arm. Once you have that information, you can select the style of frames that you prefer, such as modern, classic, or something else if you desire.

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Choose the Lenses
Now you can look at the type of lenses that you want. This may include lenses which are single vision, progressive, or bifocal.
The material that the lenses are made from should be strong, durable, and fit your budget. You may select materials that include polycarbonate, high-index, or plastic lenses.
You can extend the life of the lenses by choosing a coating that is scratch-resistant, offers UV protection, or is anti-reflective to reduce glare.

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Start Shopping
Now that you know the frame and lenses you want, it is time to compare retailers online to see which one offers the best price, lens options, and particular the return policies.
Be sure to read customer reviews to better understand the reputation and customer service of the retailer. Plus, some online stores offer a virtual try-on feature that lets you see how the different frames look on your face. Before you buy, check the return and exchange policies.

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Make the Purchase
Be sure to double-check the information, including prescription, PD, lens options, and frame measurements. Get a confirmation email to know that your order has been placed. And make sure that you receive tracking information along with shipping insurance.
Buying eyeglasses online: your essential checklist helps ensure that you get what you want when you make your order.