Glasses and contact lenses can help fix the same vision issues. Patients need a prescription for the lenses to correct the refractive error. The prescriptions may look similar, but they have some differences.
These two prescriptions are different because they sit differently over the eyes. While glasses are 12 millimeters away from the eyes, contacts rest directly on the eye surface. If you want both glasses and contacts, you will need two prescriptions.
Eyeglasses and contact lens prescriptions are essential for fixing myopia, hyperopia, and astigmatism. Both lenses have the power to correct the errors that prevent clear vision. Refractive errors relate to the eye shape and the ability of the eye curve to bend light.
The prescriptions look similar, but they are distinct based on how you use them. The two are not interchangeable because contact lens prescriptions contain specifications not required for glasses.
These prescriptions are not one-size-fits-all for every patient. They contain specifications that are particular to the lenses. They include the lens diameter, determined by the eye measurement, and the base curve, based on the cornea shape.
The prescriptions also indicate details like the specific lens brand and the expiration date. The brand will determine the material used for the lenses, so you cannot substitute it without consulting the eye doctor.
Both prescriptions contain several abbreviations. The abbreviations have some differences and similarities. Fortunately, you do not have to understand what the abbreviations mean when getting new lenses.
The eye doctor will help ensure that you get proper eyeglasses or contacts. It is necessary to realize that small changes in prescriptions can make a huge difference. Attempting to convert or estimate your prescription is not advisable.
It is helpful to know that not every eyeglass wearer can transition successfully to contacts. You may not be a good candidate for a contact lens prescription based on your eye condition.
People with dry eye, sensitive corneas, or blepharitis find wearing contacts very uncomfortable. Contacts can also cause eye complications in the future. It is essential to consult an eye specialist before switching from eyeglasses to contacts.
It is essential to schedule annual eye exams to check your vision and eye health. Get an updated prescription before getting new glasses or contacts. The prescription may remain the same, but the exam can help in the early detection of eye issues. A contact lens exam and fitting are ideal before getting contacts.
If you have a valid prescription, you can order glasses or contacts online. You need contact lens fitting and a prescription to wear Plano or non-prescription colored lenses for cosmetic reasons.
A regular eye exam will help ensure that you get the most from your corrective lenses. The exam can also reveal severe eye diseases such as glaucoma and macular degeneration.
For more on glasses and contact lens prescriptions, call Today’s Vision at (949) 518-0055 to reach our office in Laguna Niguel, California.