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  1. VOLUME 52: Can Opticians Provide Prescriptions?

VOLUME 52: Can Opticians Provide Prescriptions?

Thursday, 3 April 2025
An optician performing an eye examination with an autorefractor, checking vision accuracy. Dresden Vision Canada explains whether opticians can provide prescriptions for glasses.

Getting the right prescription for your glasses is crucial for clear vision and eye health. But can an optician provide prescriptions? The answer isn’t as straightforward as you might think. This guide will break down the roles of opticians and optometrists, who can legally prescribe corrective lenses, and when to visit an optometrist instead.

What does an optician do?

Opticians play a key role in the eyewear industry, but their job is often misunderstood. They are trained professionals who help customers select, fit, and adjust glasses. However, they do not conduct eye tests or provide prescriptions.

Responsibilities of an optician:

  • Assist in selecting frames and lenses
  • Adjust and repair glasses for comfort
  • Educate customers on lens options
  • Fit glasses according to a prescription
  • Help with contact lens fittings (under supervision)

Key takeaway: Opticians do not diagnose vision problems or write prescriptions.

Who can legally prescribe corrective lenses?

The ability to prescribe glasses or contact lenses depends on a person’s professional qualifications.

Table showing can opticians prescribe glasses diagnose eye conditions or perform eye tests, only optometrists and opthalmologists can do all three.

Optometrists and ophthalmologists are the only professionals who can legally prescribe corrective lenses. Opticians, on the other hand, assist in dispensing and fitting glasses based on a prescription already provided by an optometrist or ophthalmologist.

When should you see an optometrist instead of an optician?

While opticians are great for helping you choose frames and fit your glasses properly, you’ll need to visit an optometrist for a prescription. Here are some situations when you should see an optometrist:

  • Blurry vision: If you’re struggling to see clearly, an optometrist can check your eyesight and determine if you need glasses or a new prescription.
  • Headaches or eye strain: Frequent discomfort may indicate an issue with your vision that needs correction.
  • Routine eye tests: Regular check-ups help detect vision changes early.
  • Eye health concerns: If you have dry eyes, redness, or discomfort, an optometrist can diagnose and recommend treatment.

Are optometrists considered doctors in Canada?

Yes, optometrists in Canada are recognised healthcare professionals, but they are not medical doctors. The key difference between an optometrist and an ophthalmologist lies in their scope of practice. Optometrists hold a Doctor of Optometry (OD) degree and are licenced to:

  • Conduct eye exams and vision tests.
  • Diagnose and manage conditions like glaucoma and dry eye.
  • Prescribe corrective lenses and certain eye medications.

Unlike ophthalmologists, who are medical doctors specialising in eye surgery, optometrists focus on diagnosing and treating vision-related issues.

Can an optician modify or adjust an existing prescription?

Opticians cannot change or update your prescription, but they play a vital role in ensuring your glasses fit comfortably and function correctly. If you need to convert an ophthalmologist's prescription to an optometrist’s prescription for glasses, understanding the process is important. If you’re experiencing issues with your eyewear, an optician can:

  • Verify your lenses – Check if they match the prescription provided by your optometrist.
  • Identify common issues – Determine if discomfort is due to lens positioning, incorrect pupil distance, or frame fit.
  • Recommend solutions – If your glasses aren’t providing clear vision, they may suggest lens coatings, tints, or adjustments to improve comfort.

However, if you suspect your prescription has changed or your vision remains unclear, it’s best to schedule an eye test with an optometrist.

What is required to obtain an eyeglass prescription?

To obtain a prescription for glasses, you’ll need a comprehensive eye test from an optometrist. Routine eye tests for vision correction are available at various locations, including clinics, optical stores, and specialised eye care centres. The process typically includes:

  • Vision Test: The optometrist will use an eye chart to check how clearly you see objects at various distances. This helps identify refractive errors such as nearsightedness (myopia), farsightedness (hyperopia), or astigmatism.
  • Refraction Assessment: A refraction test determines the exact prescription needed for your glasses. The optometrist will ask you to look through a series of lenses and compare them to find the clearest vision. If you already wear glasses, this test helps determine whether your prescription needs updating.
  • Eye Health Check: Beyond vision correction, an eye test also helps detect conditions such as glaucoma, cataracts, and macular degeneration. Using tools like a slit lamp, retinal imaging, or pupil dilation, the optometrist thoroughly assesses your eye health. Additionally, understanding the impact of ultraviolet radiation on cataract formation is important, as prolonged UV exposure can significantly increase the risk of developing this condition.
  • Pupil Distance (PD) Measurement: Pupil distance is the space between the centres of your pupils. This measurement is essential to ensure your lenses are correctly aligned with your eyes. You can use an online PD measurement tool to get an accurate reading from home, making ordering glasses even more convenient.
  • Additional Tests (If Needed): In some cases, your optometrist may conduct further assessments, such as:

Once the exam is complete, the optometrist will provide your prescription, which includes details like a sphere (SPH), cylinder (CYL), axis, and any additional corrections needed, such as for reading or multifocal lenses.

What happens if you wear the wrong prescription?

Wearing glasses with an incorrect prescription can affect your visual comfort and daily activities. If your vision doesn't feel right with new lenses, it's important to check that your prescription matches your needs. A poorly fitted prescription can make it harder to focus, especially when reading or using screens.

How to know if your prescription is wrong:

  • Your vision doesn’t improve after wearing new glasses for a few days.
  • You feel uncomfortable while using your glasses.
  • Adjusting to the lenses takes longer than expected.

If your glasses don’t seem right, it’s best to visit an optometrist for a reassessment.

How do you ensure your prescription is accurate?

To make sure your prescription is correct, follow these steps:

  • Get regular eye tests: At least every two years or as recommended by your optometrist, as vision can change over time without noticeable symptoms.
  • Use the right prescription: Always double-check that your glasses match your most recent prescription to avoid unnecessary eye strain.
  • Measure pupil distance correctly: An accurate PD measurement ensures that your lenses align properly with your eyes, preventing distortion and discomfort.
  • Choose high-quality lenses: Well-crafted lenses reduce distortions, enhance clarity, and provide better long-term comfort for daily wear.

Conclusion

Opticians are skilled professionals who help fit and adjust glasses, but they cannot provide prescriptions. To get a prescription for corrective lenses, you need to visit an optometrist or ophthalmologist. For a budget-friendly and high-quality eyewear option, explore how Dresden Vision can simplify your vision care.