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EyeBuyDirect offers a 14-day fit and style guarantee with a one-time replacement or refund. EyeBuyDirect: This company allows people to upload photos and take a quiz to decide which frames may be most suitable for their face shape.Zenni Optical also offers a 30-day returns policy for store credit. Zenni Optical: This company has a virtual try-on service that allows people to get an idea of which frames would suit them.Warby Parker also offers a 30-day refund or exchange policy and a 1-year no-scratch guarantee on their lenses.
#VISION RULER TOOL FOR FREE#
Warby Parker: This company allows people to try on up to five frames for free at home.They also have a generous returns policy in case a person measures their PD incorrectly. The following companies offer a service that allows a customer to see how frames look on them before they commit to a purchase. People can choose from a range of companies that sell glasses online. Medical News Today follows a strict product selection and vetting process. All information presented is purely research-based and correct at the time of publication. Please note that the writer of this article has not tried these products. People should take several single and dual PD measurements and calculate the average distance to ensure a more accurate result. To calculate a dual PD, people need to measure from one pupil to the bridge of the nose, note the measurement, and then do the same for the other eye. The person measuring can align the ruler’s 0 mm mark with the center of one pupil and then measure to the other pupil’s center. The individual who requires a measurement can look at an object approximately 20 feet away from them. Individuals can also measure their single PD with the help of another person.
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The resulting measurement is the single PD.
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