Aren’t All Prescription Lenses the Same?

You have seen it before. All the seducing offers. ”Buy the frames and get the prescription lens for free.” “Buy one and get one for free.” “Now 50% off.” And on, and on. It seems like bargains, but are they really? How could this be? Is there a difference between the cheap offers and the full-service offer from your optician?

It starts with your prescription. There is a basic prescription, and there are additions to it. This, in combination with things like your lifestyle, daily activities, and preferred frame type, will tell your optician or optometrist what kind of lens would fit you. This is a service that you cannot count on if you select any of the cheaper alternatives.

Basically, the selection of lens divides itself into three areas:

Certain lens materials have better optical characteristics than others. The materials can be different in refractive index, specific gravity, Abbe number (constringence), etc. These variable properties can make lenses differ in optical aberration, weight, or even make a lens thicker or thinner than another. The type of lens required for your prescription should be recommended by your ophthalmologist, optometrist, or optician. They can fit your glasses with the correct prescription and lens material. The quality of the lens, especially the coating options, can vary depending on where the practice get the lens from. 

So, it is not only about the price. Simply comparing cost does not give you all the information needed to make an informed decision. Make sure you have all the facts available to you before you make the decision. When in doubt, keep on asking questions. The serious dealers will be happy to help you. The others won’t.

Content shared from Astorino Eye Center partner, HOYA

David Greening David Greening, ABOC, BS(HONS) Ophth. Dispensing David is our resident optician, and has been in optics since 2002. He attained his Bachelor of Science degree in Ophthalmic Dispensing in Kent, England (2014). He has extensive experience, having managed his own practice for many years prior to arriving at Astorino & Associates Eye Center. He is a licensed American optician (ABOC) and is well-recognized for his quality of service, attention to detail, and patient care.

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