2026-03-06 · 5 min
Advice
How often should you change your glasses prescription? (Signs not to ignore)
Learn how often to review your glasses prescription, which symptoms mean 'don't wait', and when it makes sense to book an eye exam.

People usually search this when they already feel something is off: harder reading, more eye strain, headaches, or poorer night vision.
So how often should you change your glasses prescription? It depends on symptoms and history, but some signs should never be postponed.
General review frequency
- Adults without symptoms: every 2 years.
- Regular glasses/contact lens users: yearly.
- From 40-45 onward: yearly checks are usually advisable.
- If symptoms appear: book sooner instead of waiting.
Signs you shouldn't ignore
If you notice one or more of these repeatedly, it's time to review:
- Squinting to focus.
- End-of-day headaches.
- Screen or reading fatigue.
- Worse night vision.
- Constantly changing reading distance.
You can compare these with this article: 5 signs you need an eye exam.
Ignoring reduced visual quality doesn't protect your eyesight. It usually increases strain and lowers your day-to-day comfort.
What a good prescription update includes
A proper review is not just "more or less power". It should evaluate visual quality, your real routine, and final fitting comfort.
Here is our process for eye examination in Jaén.
If you've been postponing it, this is a good time to act. Book an appointment and we'll review your current visual needs without rush.
