Is It Normal to Need Updated Glasses Every Year?
Many patients visiting Rose Optometry in Berry, Nowra and across the Shoalhaven ask the same question:
“Is it normal to need updated glasses every year?”
The short answer is: sometimes — but not always.
While some people experience genuine prescription changes over a 12 month period, many patients can comfortably continue with their current glasses for several years. At Rose Optometry, we believe a prescription change should provide a meaningful improvement in day-to-day vision before recommending new spectacles.
Our focus is always on the patient, their symptoms and their eye health — not simply changing glasses for the sake of it.
How Long Should a Glasses Prescription Last?
For many adults, glasses prescriptions commonly remain stable for around 2–3 years. That is why prescriptions include an expiry date and why regular eye examinations are still important, even when vision seems stable.
However, every patient is different.
Some patients may notice changes sooner due to:
normal ageing changes,
increased visual demands,
cataract development,
dry eye disease,
diabetes and fluctuating blood glucose levels,
or changes in focusing ability over time.
Others may have very minimal prescription changes that do not noticeably affect their day-to-day vision.
At Rose Optometry, we regularly tell patients when there is little or no benefit in updating their glasses.
A Prescription Change Does Not Always Mean You Need New Glasses
One of the biggest misconceptions around eye tests is that any prescription change automatically means new glasses are required.
In reality, the most important factor is often:
“Does the patient notice a meaningful improvement?”
If a patient is coping well and does not notice a real-world benefit during testing, changing glasses may not be worthwhile.
At Rose Optometry, we often advise patients to monitor their vision rather than immediately updating spectacles if:
the change is very small,
symptoms are minimal,
or the patient feels comfortable with their current glasses.
Ultimately, patients know their own vision and visual comfort better than anyone else.
Why Do Glasses Prescriptions Change?
Vision can change for many reasons throughout life.
Normal Ageing Changes
As we get older, the lens inside the eye naturally changes. This can affect both distance and reading vision over time.
Cataract Formation
Early cataract changes can gradually alter a prescription, particularly in adulthood.
Diabetes & Blood Sugar Fluctuations
Variable blood glucose levels can temporarily affect focusing and cause fluctuating vision.
Dry Eyes
Dry eye disease is extremely common and can cause blurred or fluctuating vision that sometimes mimics a prescription problem.
In some cases, improving the health of the eye surface may improve visual quality without needing new glasses.
Visual Demands & Screen Use
Long periods of reading, computer work or focusing at near can increase symptoms such as:
headaches,
eye strain,
blurred vision,
tired eyes,
and difficulty focusing.
Low lighting conditions and night driving can also make vision problems more noticeable.
Sometimes the Problem Is the Glasses — Not the Prescription
Damaged or worn glasses can reduce visual quality even if the prescription itself remains stable.
Scratched lenses, worn coatings or poorly fitting frames can all contribute to:
glare,
blur,
discomfort,
and reduced visual performance.
In these situations, replacing lenses or frames may improve vision without requiring a major prescription change.
Why Are Some Patients Reviewed Every 12 Months?
A yearly review does not automatically mean new glasses are expected.
At Rose Optometry, annual reviews are often recommended to:
monitor prescription progression,
assess the rate of change,
collect important baseline data,
monitor eye health,
or review conditions such as diabetes or dry eye disease.
For children and teenagers, yearly changes are often more common as the eyes continue developing.
For adults, annual reviews may be recommended when monitoring eye health changes rather than specifically looking to prescribe new spectacles.
Large Prescription Changes Are Not Always Ideal
Many people assume stronger glasses always equal better vision.
However, very large prescription jumps can sometimes create adaptation difficulties including:
dizziness,
distortion,
imbalance,
headaches,
or visual discomfort.
Where appropriate, smaller gradual changes may provide a more comfortable adaptation experience for some patients.
This is why patient symptoms and comfort remain an important part of the prescribing process.
Eye Health Comes First at Rose Optometry
At Rose Optometry, our approach is centred around patient-focused care for the Berry, Nowra and Shoalhaven communities.
Eye health always comes first.
While glasses can absolutely improve quality of life when needed, we do not believe in recommending new spectacles unless they provide a genuine benefit for the patient.
A small prescription change on paper does not always translate to a meaningful difference in real-world vision.
That is why we focus on:
listening to symptoms,
understanding changes in visual behaviour,
assessing eye health thoroughly,
and helping patients make informed decisions about their vision.
Frequently Asked Questions
Is it bad if my glasses prescription changes every year?
Not necessarily. Some people experience natural yearly changes, while others remain stable for several years. The reason for the change is often more important than the change itself.
Should I buy new glasses every time my prescription changes?
Not always. If the change is minimal and you are functioning comfortably, updating glasses may not be necessary.
Can dry eyes affect vision?
Yes. Dry eyes can cause fluctuating or blurry vision and sometimes mimic prescription problems.
Can old glasses damage my eyes?
No, but outdated or damaged glasses may contribute to discomfort, headaches or reduced visual quality.
How often should adults have an eye test?
Even if vision feels stable, regular eye examinations remain important for monitoring eye health and detecting changes early.
Looking for an Optometrist in Berry, Nowra or the Shoalhaven?
Whether you are experiencing blurry vision, eye strain, headaches or simply due for an eye examination, Rose Optometry provides comprehensive patient-focused eye care for Berry, Nowra and the wider Shoalhaven region.
Our goal is simple:
