A contact lens fitting sounds intimidating if you have never had one. People picture themselves sitting in a chair while someone pokes at their eyes for an hour. The reality is much simpler. I have been on the optician side of hundreds of these fittings, and I can tell you exactly what happens, why each step matters, and what it will cost you in Canada.
Whether you are considering contacts for the first time or switching from a lens that is not working for you, here is the full process from the other side of the table.
Why You Need a Fitting (Not Just a Prescription)
Your glasses prescription and your contact lens prescription are not the same thing. A glasses prescription tells your optometrist what optical power you need to see clearly. A contact lens prescription adds several more pieces of information that are specific to putting a lens directly on your eye.
The lens sits on your cornea, which has its own unique curvature, diameter, and tear film characteristics. A contact lens that is perfect for someone with identical optical power to yours might fit terribly on your eye because your cornea has a different shape. The fitting determines which specific lens brand, base curve, and diameter work for your anatomy.
This is not optional. In Canada, you need a valid contact lens prescription to purchase contact lenses. That prescription requires a fitting, and it is a different document from your glasses prescription.
What the Fitting Actually Measures
Here is a breakdown of every measurement and evaluation that happens during a contact lens fitting and why each one matters.
| Measurement | What It Determines | How It's Done |
|---|---|---|
| Corneal curvature (keratometry) | Base curve of your lens — how curved it needs to be to match your cornea | Keratometer or topographer projects rings of light onto your cornea |
| Corneal diameter | Lens diameter — the overall size of the contact lens | Measured with a slit lamp or ruler |
| Tear film assessment | Whether your eyes produce enough tears to support contact lens wear | Slit lamp examination, sometimes tear break-up time test |
| Refraction (prescription) | Optical power of the lens | Standard eye exam ("which is better, 1 or 2?") |
| Pupil size | Important for multifocal lens selection | Measured in different lighting conditions |
| Eyelid position and tension | Affects lens movement and comfort | Observation during slit lamp exam |
None of these measurements are painful. The keratometry involves looking at a light for a few seconds. The slit lamp exam is a bright light and magnifier your optometrist looks through. The whole measurement process takes 10 to 15 minutes.
The Trial Lens Process
After measurements, your optometrist selects a trial lens based on your numbers. This is where the fitting gets practical.
The trial lens goes on your eye (your optometrist will insert it for first-time wearers). Then they evaluate the fit by looking at three things through the slit lamp: how the lens centres on your cornea, how much it moves when you blink, and how it settles after a few minutes of wear.
A well-fitting lens centres over the cornea, moves about 0.5 to 1 millimetre with each blink, and does not feel like it is sliding or sticking. Too tight means the lens barely moves and could restrict oxygen. Too loose means it slides around and your vision fluctuates. Your optometrist adjusts the base curve or tries a different brand until the fit is right.
You then wear the trial lenses for about 10 to 20 minutes while still in the office. This settling time lets the lens find its natural position and gives your optometrist a realistic picture of how it will perform during daily wear. They check the fit again after settling and assess your vision with the lenses on.
The Full Fitting Timeline
First-time contact lens wearers usually need two to three appointments. Here is what the process looks like from start to finish.
| Appointment | What Happens | Duration |
|---|---|---|
| Appointment 1: Exam + Fitting | Comprehensive eye exam, corneal measurements, trial lens selection and evaluation, insertion/removal training for new wearers | 45-60 minutes |
| Trial period (at home) | Wear trial lenses for 1-2 weeks in your normal routine. Note comfort, vision, and any issues. | 7-14 days |
| Appointment 2: Follow-up | Check fit and corneal health with lenses on. Discuss comfort and vision. Finalize or adjust prescription. | 15-20 minutes |
| Appointment 3 (if needed) | Try different brand or parameters if first trial was not ideal. Repeat evaluation. | 15-20 minutes |
Most straightforward fittings are finalized at appointment 2. Specialty fittings (multifocals, high-astigmatism torics, keratoconus lenses) may take additional appointments to dial in.
Key takeaway: A proper fitting is a process, not a single visit. Expect 2 to 3 appointments over 2 to 3 weeks for the best result. Rushing it increases the chance of ending up in a lens that does not work for you.
Insertion and Removal Training
If you have never worn contacts, this is the part that makes you nervous. I get it. Putting something on your eyeball goes against every instinct your body has. The blink reflex is strong, and your brain is going to fight you on this for the first few minutes.
Your optometrist or optician will teach you a specific technique. The basic approach: wash your hands, place the lens on the tip of your index finger, use your other hand to hold your upper eyelid open, use the middle finger of the lens hand to pull down your lower lid, look straight ahead (not at the lens), and place the lens directly on the centre of your eye.
Most first-timers need 10 to 15 minutes of practice with guidance. Some get it immediately. Others need more time, and that is completely normal. Your eye care professional has watched thousands of people go through this and they are patient with the process. Nobody is judging you for struggling.
Removal is easier than insertion. Your optometrist will show you how to slide the lens down to the white part of your eye and pinch it off gently. There is a learning curve, but it gets muscle-memory automatic within a week or two of daily practice.
Contact Lens Fitting Cost in Canada
The cost question comes up at every fitting, and it is fair. Here is a realistic breakdown of what you will pay.
| Component | Typical Cost Range (CAD) | Notes |
|---|---|---|
| Comprehensive eye exam | $100-175 | Covered by Alberta Health Care for under 19 and 65+. Private insurance may cover for 19-64. |
| Contact lens fitting fee | $50-150 | Separate from exam fee. Covers measurements, trial lenses, follow-up visits. |
| Contact lenses (annual supply) | $300-1,100+ | Varies widely by lens type. Daily disposables cost more per year than monthly. |
| Solution (annual, monthly lenses only) | $80-150 | Not needed if wearing daily disposables. |
Some clinics package the fitting fee with your first lens order. Others charge separately. Ask upfront so there are no surprises. Vision insurance plans in Canada commonly cover the fitting fee under their contact lens benefit, so check your plan before your appointment.
What Can Go Wrong (and What to Do)
Not every fitting is smooth. Here are the most common issues and how they get resolved.
Lenses feel dry. The most common complaint, especially in Alberta's dry climate. Your optometrist may switch you to a higher-moisture lens, recommend preservative-free rewetting drops, or try a different lens material. Daily disposables tend to handle dryness better than monthly lenses because you start fresh every day.
Vision is inconsistent. If your vision fluctuates with blinking or eye movement, the lens fit may be slightly off. Your optometrist will evaluate the movement pattern and may try a different base curve or a different brand with a more stable design.
Comfort declines through the day. Good in the morning, uncomfortable by evening. This often points to deposit buildup (switch to dailies or upgrade your cleaning system), tear film insufficiency (add rewetting drops, try a different material), or excessive wearing time (reduce hours gradually).
Persistent redness. Some redness during the first day or two of adaptation is normal. Persistent redness beyond a few days is not. Remove the lenses and contact your optometrist. This could indicate a fit issue, an allergic reaction to the lens material or solution, or a corneal problem that needs attention.
Frequently Asked Questions
How long does a contact lens fitting take?
The initial fitting appointment typically takes 30 to 60 minutes, depending on whether it is combined with a comprehensive eye exam. The fitting measurements themselves take about 15 to 20 minutes. First-time wearers should add 15 to 30 minutes for insertion and removal training. Follow-up appointments are shorter, usually 15 to 20 minutes to check the fit and finalize the prescription.
How much does a contact lens fitting cost in Canada?
Contact lens fitting fees in Canada typically range from $50 to $150, depending on the complexity of your prescription and whether you need specialty lenses like torics or multifocals. This fee is separate from your eye exam and from the cost of the lenses themselves. Some clinics bundle the fitting fee with your first lens order. Many vision insurance plans cover part of the fitting fee under their contact lens benefit.
Can I get contacts without a fitting?
You should not. In Canada, a valid contact lens prescription is required to purchase contacts, and that prescription includes base curve, diameter, and brand specifications determined during a fitting. Your glasses prescription alone does not contain enough information to order contacts safely. Wearing contacts that have not been properly fitted increases your risk of discomfort, poor vision, and corneal complications that can permanently affect your eyesight.
What if I can't get the contact lens in my eye?
This is extremely common for first-time wearers. The natural blink reflex makes insertion feel impossible at first, but most people master it within 10 to 15 minutes of patient practice. The key technique is holding both eyelids firmly open (upper lid with one hand, lower lid with the finger holding the lens) and looking straight ahead rather than at the lens. If you truly cannot manage after multiple attempts, you will be given lenses to practice with at home in a more relaxed environment.
Do I need a new fitting every year?
In Canada, contact lens prescriptions typically expire after one year. You need an annual eye exam and contact lens evaluation to renew your prescription. This is not a formality. Your optometrist checks for corneal changes, oxygen deprivation signs, and other issues that can develop from contact lens wear. A full refitting with new measurements and trial lenses is usually only needed if you are switching brands or types, or if your current lenses are causing problems.
Can I wear contacts if I have astigmatism?
Absolutely. Toric contact lenses are specifically designed to correct astigmatism, and they are available in daily, biweekly, and monthly disposable formats from all major brands. The fitting process for torics is slightly more involved because the lens needs to maintain a specific rotational orientation on your eye to correct the astigmatism properly. Your optometrist will evaluate rotational stability and may try a few options.
Is a contact lens fitting covered by insurance?
Many Canadian vision insurance plans cover part or all of the fitting fee, either under the eye exam benefit or the contact lens benefit. Coverage varies between plans and employers. Alberta Health Care covers comprehensive eye exams for children under 19 and adults 65 and older, but the contact lens fitting is typically a separate fee not covered by provincial health care. Check your specific plan details or ask your optical clinic to verify your coverage before booking.
This article is for informational purposes only and does not constitute medical advice. Always consult your optometrist or ophthalmologist for diagnosis and treatment of eye conditions.