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3 Things to Know about Contact Lens Exams and Prescriptions

August 19th, 2015 / WiseVision / Comments

Close-up of optometrist doing an eye exam on young woman

Making the move from glasses to contact lenses can be an overwhelming process. Not only do you need to consider the changes to your daily routine that contacts require, but you’ll first have to figure out what type of lens to choose from the many available options. There are some basics about switching to contacts lenses that you need to know about. Here are 3 of the most important things to remember.


There are some differences between regular eye exams and contact lens exams, which is why a contact lens exam is often a little more expensive. In addition to comprehensive eye exam procedures, such as visual acuity, glaucoma tests, retinoscopy, and other tests, the doctor will need to perform additional tests to determine the size and type of contacts you’ll need. A contact lens exam requires the doctor to determine the prescription you’ll need for a lens that sits directly on your eye rather than a few millimeters from your eye. A good fit is also essential for maximum comfort so eye and curvature measurements must be exact.


The contact lens prescription your doctor prescribes will include not only the amount of vision correction you’ll need, but the type of correction as well. They may correct nearsightedness, farsightedness, or astigmatism. Some lenses are for single vision correction only, while others are bifocal or multifocal lenses to correct presbyopia. The prescription will also include the exact size of lens to ensure a proper, comfortable fit.

Lens Types

There are both soft and hard types of contact lenses, although soft lenses are much more popular and less expensive. You should talk to your doctor about the many different types of lenses to learn which will work better for you. Certain types of soft lenses are more breathable and better for your eyes, but hard lenses often provide crisper vision. You may also be interested in lenses that are tinted or colored to add a little aesthetic variety.

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