What is a Contact Lens Exam?

contact-lens-exams

Contact Lens Prescription Exams

A contact prescription exam involves a series of tests to see if you are a candidate.

The exam measures your cornea and prescription. Your doctor also learns about lifestyle needs and personal preferences.

There are many options, including soft lenses, gas permeable contacts, bifocals, multifocals, dailies, bi-weeklies, monthlies, and extended wear. Specialty designs are also available for dry eyes or hard-to-fit patients.

With this information, your doctor recommends the best lenses for your vision needs.

Orthokeratology (CRT & VST)

Orthokeratology, or ortho-k, uses gas permeable lenses to reshape the eye overnight. This flattens the cornea to correct mild or moderate nearsightedness and some astigmatism.

Hard-to-Fit Contacts

Conditions such as astigmatism, presbyopia, keratoconus, or dry eyes do not prevent lens wear. They only require more care and patience.

What’s the Difference Between a Regular Eye Exam and a Contact Lens Exam?

A standard eye exam checks eye health and vision sharpness. Regular exams are important but do not include lens-specific testing.

A contact lens evaluation checks your ability to wear contacts safely. It also provides a prescription that differs from glasses.

Based on results, your doctor can order the right lenses for you.

What to Expect During a Contact Lens Exam

During a vision test for contacts, you’ll discuss lifestyle needs and eye conditions that affect comfort.

Tell your doctor if you want colored lenses, bifocals, multifocals, or monovision options. These details guide the fitting process.

What Are Trial Contact Lenses?

After measurements, trial lenses may be placed in your eyes. The doctor might insert them or show you how.

You’ll wear them for about 20 minutes. This helps assess comfort and clarity.

Sometimes, several trials are needed before finding the right fit.

Once a fit is confirmed, your doctor orders lenses. You will also get detailed instructions for wear and care.

If you are new to contacts, insertion and removal may feel hard at first. With practice, most patients adjust quickly.

What Happens During a Contact Lens Fitting?

One size does not fit all. Lenses must match your eye shape. Poor fit causes irritation, blur, or damage.

At lens fitting appointments, your doctor measures:

  • Corneal curvature – Measured with a keratometer. Toric lenses may be suggested for astigmatism. Sometimes corneal topography is needed for detailed mapping.
  • Pupil or iris size – Checked with a slit lamp, biomicroscope, or ruler. This is vital for gas permeable lenses.
  • Tear film evaluation – Dry eyes can make contacts uncomfortable or unsafe. Tests check tear strength and moisture levels.

Weak tear film may require special corneal health assessments or lenses designed to keep eyes hydrated.

How Often Do You Need a Contact Lens Exam?

After about a week of wearing trial lenses, your doctor checks your eyes again.

If you notice pain, dryness, or blur before your visit, schedule an exam right away. Adjustments may include a new lens type, another cleaning solution, or a new wear schedule.

Most patients benefit from annual lens exams to confirm comfort and safety. These also allow time for optometrist lens checks and specialty contact fittings if needed.

To see if contacts are right for you, schedule a contact lens evaluation with Barnes Talero EyeCare in Nashville today.

FAQs

FAQs About Contact Lens Exams

What is the average cost of a contact lens exam?

Costs vary by office and type but are higher than glasses-only exams.

It includes contact lens evaluations, measurements, trial lenses, and guidance for safe use.

Yes. A contact exam can be scheduled on its own, without a glasses exam.

Yes. A contact exam includes lens fitting appointments and optometrist lens checks that a regular exam does not.

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