Often, buying glasses online can be cheaper than going to an eyeglass store. There are no sales assistants steering customers toward the more expensive frames. Online stores have less overhead and buy their glasses in bulk, guaranteeing the cheapest prices available. And still, they use the same frame and lens suppliers along with the same glazing laboratories.
People are wary of buying glasses online for many reasons. They may think they do not know all the information about their eyes. The direction offered by a store may feel needed in order to find the best frames. People believe it is impossible to try glasses on online. All of these problems can be fixed with a little bit of research.
Before beginning shopping online, people need to go to their eye doctor and get a current prescription for their glasses. This paper will give them all the information needed to order the correct lenses. Most online sites require the prescription before glasses can be ordered. They will either ask for an upload of the prescription or the phone number of the eye doctor.
Understanding the prescription is key when ordering lenses online. The sphere, or SPH, is the correction for long or short sight. It will be a “-” or “+” value and goes up in 0.25 steps. The cylinder, or CYL, is the correction for any Astigmatism if a person has one. It also has a “-” or “+” value and goes up in 0.25 steps.
The axis for which the correction for the Astigmatism needs to be set at. This is only present if there is a CYL value on the prescription. Values range from 0 to 180. If glasses are needed for reading, the prescription will have an addition, or an ADD.
NEAR means the same thing as ADD. The “-” or “+” design is very important as it indicates short or long sightedness. The dioptre sphere, or DS, appears under the CYL box and indicated no CYL value. OD refers to the right eye and OS references to the left eye. If reading glasses are required, including NEAR or ADD is very important, but unneeded for Distance / Driving glasses.
The pupillary distance, or PD, is the distance between the center of one pupil to the center of the other pupil measured in millimeters. Usually it is written as one value, for example 60mm, but can be written as two, such as 34/33, if one eye is slightly further away from the center of the nose than the other. Many prescriptions do not include a PD measurement.
Many online sites allow people to “try” their glasses on. Online sites have a virtual mirror that allows people to try glasses while browsing through frames. This can be accomplished different ways depending on the site. Some require visitors to have a webcam. A live video appears on the site and frames can be superimposed on the video, allowing customers to try their glasses on live.
Other sites are more universally user friendly and allow people to upload a photo of themselves not wearing glasses. Then, as people are browsing the site, they can click a button that says try online next to any product. Customers can instantly see themselves wearing that frame.
Choosing a frame can be difficult for picky or unsure shoppers. This is a big reason why people go to eyeglass stores, for the professional opinion of sales associates. They only thing associates know that shoppers do not is which frames look better on different face shapes.
Customers who know their face shape and the frames that match it can narrow down their frame choices easily. Beside, shopping online means you can easily show friends and family options to get their opinion. This is much easier than dragging everyone to the eyeglass store.