When it comes to maintaining good vision and eye health, regular eye exams and updating your prescription are essential.

But how often should you replace your glasses?

The frequency of changing your glasses depends on various factors, such as your prescription, eye health, and personal preference. Generally, it is recommended to have an eye exam every 1-2 years to determine if your glasses need an update. However, if you experience any changes in your vision, such as blurriness or difficulty focusing, it’s advisable to see an eye doctor for a check-up and potential change in your prescription.

In this comprehensive guide, we will explore the factors to consider and signs that indicate it’s time for a new pair of glasses. Whether you wear glasses or contact lenses, this article will provide valuable insights to help you make informed decisions about your eyewear.

Why Regularly Replacing Your Glasses is Important

Replacing your glasses at the right time is crucial for maintaining optimal vision and eye health. Over time, our eyesight can change, and our prescription may need to be adjusted accordingly. Wearing outdated or ill-fitting glasses can lead to blurred vision, eye strain, headaches, and other discomforts. Additionally, advancements in eyewear technology and fashion trends make it worthwhile to update your glasses for improved functionality and style.

Signs It’s Time for a New Pair of Glasses

While optometrists recommend replacing your glasses every two to three years, there are other factors to consider. Here are some signs that indicate it’s time to invest in a new pair:

Blurred Vision

If you’re experiencing blurred vision while wearing your glasses or contact lenses, it may be a sign that your prescription is no longer strong enough to correct your eyesight. Blurred vision can interfere with everyday activities such as reading, working, and driving. If you notice a significant decline in your vision clarity, it’s essential to schedule an appointment with your optometrist to reassess your prescription.

Squinting or Straining to See

If you find yourself squinting or straining to see clearly, it’s an indication that your current glasses may not be providing adequate vision correction. Squinting can cause eye strain and discomfort, and it’s important to address this issue by getting a new prescription. Optometrists can determine the right prescription for your eyes and help you choose glasses or contact lenses that offer optimal clarity.


Frequent headaches, especially after prolonged use of your glasses, can be a sign that your prescription needs updating. Headaches can occur when your eyes have to work harder to focus due to an incorrect prescription. If you experience persistent headaches while wearing your glasses, it’s advisable to consult with your eye care provider and consider getting a new pair.

Poor Condition of Your Glasses

If your glasses are scratched, bent, or have cracked frames, it’s time to consider replacing them. Damaged glasses not only affect your vision but can also be uncomfortable to wear. Additionally, foggy or faded lenses can impair your ability to see clearly. Investing in a new pair of glasses will ensure that you have optimal vision correction and comfortable eyewear.

Outdated Style

Fashion trends in eyewear change over time, and if your glasses are outdated, it may be time to update your style. Choosing a more modern and fashionable pair of glasses can boost your confidence and enhance your overall appearance. Whether you prefer bold frames or a sleek and minimalist design, updating your glasses can be an opportunity to express your personal style.

Difficulties with Cleaning

If your glasses are difficult to clean or if they always seem to have a film that won’t go away, it may be due to worn-out coatings on the lenses. These coatings protect the lenses from scratches and fading. When the coatings start to break down, cleaning your glasses becomes a challenge. If you find yourself constantly struggling to keep your lenses clean, it’s a good indication that it’s time for a new pair of glasses.

Relief After Removing Your Glasses

Feeling relieved or more relaxed after taking off your glasses can be a sign that your prescription is no longer providing optimal vision correction. If you find that removing your glasses brings relief, it’s worth considering getting a new pair. Your eyes should feel comfortable and relaxed with your glasses on, and any discomfort or strain indicates the need for an updated prescription.

The Average Lifespan of Glasses

The lenses and frames of your glasses are designed to be durable, but they do have a lifespan. While optometrists recommend replacing your glasses every two to three years, it’s important to note that this timeframe can vary depending on individual circumstances. Factors such as changes in prescription, wear and tear, and personal preference can affect the lifespan of your glasses.

Regular eye exams are essential for monitoring changes in your vision and determining when it’s time to update your glasses. During an eye exam, your optometrist will assess your current prescription and evaluate the health of your eyes. They will consider factors such as the condition of your glasses, any changes in your vision, and advancements in eyewear technology to determine if a replacement is necessary.

How Often Should You Visit Your Eye Doctor?

Regular visits to your eye doctor are crucial for maintaining optimal eye health and ensuring that your glasses or contact lenses are providing the right vision correction. In addition to routine eye exams, you should schedule an appointment with your eye doctor if you experience any changes in your vision, discomfort while wearing your glasses, or if your glasses are damaged.

Frequently Asked Questions

Q: Can I replace my glasses online?
A: Yes, many reputable online retailers offer a wide selection of glasses and contact lenses. However, it’s important to ensure that you have an up-to-date prescription before purchasing glasses online. You should also consider factors such as the retailer’s return policy, customer reviews, and the ability to try on glasses virtually or return them if they don’t fit properly.
Get contact lenses online from Rideau Optometric.

Q: How do I know if my glasses are the right fit?
A: Properly fitting glasses should sit comfortably on your face without causing discomfort or sliding down your nose. The frames should align with your eyebrows, and the lenses should be centered on your eyes. If you’re unsure about the fit of your glasses, it’s best to consult with an optician or optometrist who can make any necessary adjustments.

Q: Can I update my prescription without replacing my glasses?
A: In some cases, a minor adjustment to your prescription may be possible without needing to replace your glasses. However, it’s important to consult with your eye doctor to determine if this is appropriate for your specific vision needs. Keep in mind that if your glasses are damaged, outdated, or no longer fit properly, it’s generally recommended to replace them for optimal vision correction.

Q: How do I take care of my glasses to make them last longer?
A: To extend the lifespan of your glasses, it’s important to handle them with care. Use a microfiber cloth or lens cleaning solution specifically designed for glasses to clean your lenses. Avoid using abrasive materials or household cleaners, as these can damage the lenses. When not in use, store your glasses in a protective case to prevent scratches and damage.

Q:How long do prescription glasses last?

A: The lifespan of prescription glasses can vary depending on several factors, including the quality of the frames and lenses, how well you take care of them, and any changes in your prescription. On average, prescription glasses can last anywhere from 1 to 3 years. However, if your prescription changes frequently or you experience significant wear and tear, it may be necessary to replace them more frequently.

Q: Do I have to change my glasses every 2 years?

A: There is no hard and fast rule that requires you to change your glasses every two years. The frequency of changing glasses depends on individual factors such as your prescription, eye health, and overall comfort with your current pair. It is recommended to have a routine eye exam every 1-2 years to assess if your prescription needs to be updated or if you require new glasses based on your eye health.

Q: How do you know if you need to change glasses?

A: If you experience any of the following signs, it may be an indication that you need to change your glasses:

Blurred vision: If your vision becomes blurry, even while wearing your glasses, it could indicate a need for a prescription update.

Eye strain: If you frequently experience eye strain, fatigue, or headaches, it may suggest that your current glasses are not providing adequate vision correction.

Difficulty focusing: If you find it challenging to focus on objects up close or far away, it might be time for a new prescription.

Squinting: If you frequently find yourself squinting to see clearly, it could be a sign that your current glasses are no longer effective.

Q: Do glasses lose effectiveness over time?

A: Glasses themselves do not lose effectiveness over time. However, changes in your prescription or the natural progression of certain eye conditions can make your current glasses less effective. It is essential to have regular eye exams to ensure that your prescription is up to date and your glasses are providing optimal vision correction.

Q: How quickly can eyesight change?

A: The rate at which eyesight changes can vary from person to person. Some individuals may experience minimal changes over several years, while others may see significant changes in a relatively short period. Factors such as age, genetics, eye health, and lifestyle can influence how quickly eyesight changes. Regular eye exams are crucial to monitor any changes and ensure that you have the most accurate prescription.

Q: Is it normal to need stronger glasses every year?

A: While it is not uncommon for some individuals to require a stronger prescription each year, it is not considered “normal” for everyone. The need for stronger glasses every year could indicate underlying issues that require attention, such as progressive myopia or other eye conditions. If you find that your prescription is consistently changing year after year, it is important to consult with an eye care professional to determine the cause and appropriate course of action.


Regularly updating your glasses is essential for maintaining good vision and eye health. Whether you wear glasses or contact lenses, paying attention to signs such as blurred vision, discomfort, and damaged frames will help you determine when it’s time for a new pair. By staying proactive and scheduling regular eye exams, you can ensure that your glasses are providing optimal vision correction and keeping your eyes healthy. Visit Rideau Optometric, the best Optometrists in Ottawa, to find the perfect pair of glasses that suit your style and meet your vision needs. Don’t compromise on your vision – invest in new glasses today!