Are you planning on wearing contact lenses for the first time? Do you need a new contact lens prescription? Are your current contacts not as comfortable as you wish they were? Your eye doctor will perform a contact lens eye exam to ensure that your vision with contacts is clear, comfortable, and safe, providing you with the right lenses for you.
What is a contact lens exam?
If you wear or want to wear contact lenses, you'll need an eye exam for contact lenses, in addition to your regular comprehensive eye exam. Special tests are performed during a contact lens exam to evaluate your eyes and vision with contacts.
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Are eyeglass prescriptions the same as contact lens prescriptions?
No, a prescription for glasses cannot be used for contact lenses. An eyeglass prescription is for lenses that are positioned approximately 12 millimeters from your eyes, whereas a contact lens prescription is measured for lenses that sit directly on the surface of your eye.
The prescription for contact lenses also includes the brand, lens diameter and curvature, which are not part of an eyeglass prescription."
Primary Eyecare Optometrics Eye Clinic and Eye exam, contact lenses in Castro Valley, CA
Many eye diseases can be quickly and easily diagnosed during a comprehensive eye exam. If you were diagnosed with an eye disease, such as Cataracts, Glaucoma, Macular degeneration, Diabetic retinopathy, or Dry eye, you may be overwhelmed by the diagnosis and confused about what happens next. Will you need medications or surgery – now or in the future? Our Castro Valley eye doctor has prepared the following answers to your questions about eye disease.
Contact lenses fitting: One size does not fit all
One contact lens size doesn’t fit all eyes. If a contact lens is too flat or too steep for your corneal shape, you may experience discomfort or even eye damage. Your eye doctor will take certain measurements to determine the best contact lens design and fit for your eyes.
This measures the curvature of your eye’s clear front surface (cornea) so the eye doctor can select the optimal curve and diameter for your contact lenses. If your eye’s surface is somewhat irregular because of astigmatism or other conditions, you may require a special lens.
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Pupil and iris size
The size of your pupil and iris (the colored part of your eye) is also important in determining the best contact lens design.
Tear film evaluation
This test evaluates the quality of your tears, to determine whether they will be able to keep contact lenses and your cornea sufficiently hydrated throughout the day. If you have dry eye disease, standard contact lenses may not be right for you.
Following the eye exam, you will be provided with trial lenses to verify that the chosen contact lenses offer clear and comfortable vision. This will allow the eye doctor to make any fine adjustments to the prescription.
Contact Lens Eye Exam Near You
Wearing the correct contact lenses for your eyes allows you to enjoy all of the benefits of wearing contacts, while keeping your eyes healthy and comfortable.
If you're already a contact lens wearer, visit your eye doctor at least once a year to make sure the lenses are still providing you with optimum vision and comfort.
Contact Primary Eyecare Optometrics in Castro Valley to book your contact lens eye exam today!
Call Primary Eyecare Optometrics on 510 581 1553 to schedule an eye exam with our Castro Valley optometrist.
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