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The Importance of Eye Exams for Contact Lenses

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.

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.

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.

Corneal curvature

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.

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.

Trial lenses

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 Advanced Eyecare Center in Manhattan Beach to book your contact lens eye exam today!

Why Does Your Eye Doctor Dilate Your Pupils for an Eye Exam?

If you’ve been following the guideline to have regular eye exams, then you’re probably familiar with having your pupils dilated. Why does your eye doctor do this?

By dilating your pupils, the eye doctor can get a better view of your inner eye structures – so the eye exam is more comprehensive and more detailed. While the back of your eye can be seen through an undilated pupil, it cannot be examined as fully.

A full evaluation of your macula, retina and optic nerve is possible through dilated pupils. In many common eye diseases, such as macular degeneration, diabetic retinopathy and glaucoma, these are the parts of the eye that exhibit signs of a problem. Also, health conditions such as high blood pressure, high cholesterol and diabetes can often be detected on these parts of the eye.

What happens when the eye doctor dilates your pupils?

Your eye doctor or a technician will insert eye drops into your eyes; it takes 20 – 30 minutes for them to take full effect. Then, your eye doctor will use a lighted microscope to inspect your eyes.

Initially, you may feel a slight stinging when the drops are first inserted, but the discomfort is typically minor and short-lived. For a few hours afterwards, your eyes will be extra-sensitive to light and vision may be slightly blurred. Wearing sunglasses can help manage this sensitivity. Dilation usually wears off within four to six hours.

Even though getting your pupils dilated for an eye exam may feel like a nuisance, it enables your eye doctor to check your ocular health and overall body health with much more accuracy. So the benefits are clear! Contact an expert eye doctor near you to schedule an eye exam.

At Advanced Eyecare Center, we put your family’s needs first. Talk to us about how we can help you maintain healthy vision. Call us today: 310-620-1345 or book an appointment online to see one of our Manhattan Beach eye doctors.

Want to Learn More? Read on!

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