Eye Health and Contact Lenses | OpticVue Blog

Using daily or monthly contact lenses: which is better?

Are you hesitating between daily or monthly contact lenses? We'll tell you the differences, advantages, and what factors you should consider to choose the most comfortable option for you.

Sleeping with contact lenses: risks and consequences

Sleeping in contact lenses may seem harmless, but it increases the risk of infections, dryness, and blurred vision. We'll tell you why to avoid it and what to do if it happens.

How many hours a day can you wear contact lenses?

How many hours a day can you safely wear your contact lenses? Discover the recommended length of time, the factors that influence comfort, and the signs that indicate when it's time to remove them.

Where to buy OpticVue contact lenses: list of pharmacies (Updated May 2026)

Find pharmacies in Spain and Andorra where you can buy OpticVue contact lenses. Updated list by region and city.

Is it legal to sell contact lenses in pharmacies in Spain? What the current regulations (RD 192/2023) state

Is it legal to sell contact lenses in pharmacies in Spain? With the entry into force of Royal Decree 192/2023 , pharmacies are authorized to dispense replacement contact lenses to already fitted u...

What happens if I put in drops before putting in my contact lenses?

Not all drops are suitable for use before contact lenses. We'll tell you which ones you can use, which ones to avoid, and what happens if you use them wrong.

Why does the lens inside my eye rotate?

Does your lens shift, rotate, or cause blurred vision throughout the day? Here we explain the most common reasons and what you can do immediately.

Can I wear contact lenses if I have a hangover? What you should know before doing so.

Dry, puffy, sleepless eyes? If you're hungover and wondering whether contact lenses are a good idea, here's what happens to your eyes and how to take care of them if you decide to wear them.

Why are contact lenses so expensive? What no one tells you about their prices

Did you know that the final price of contact lenses can be five times their actual cost? We analyze how the traditional distribution model works and why more affordable alternatives exist today.

What should I do if I drop a contact lens on the floor? What you should and shouldn't do.

Can you reuse a contact lens that has fallen out? The quick answer: you shouldn't . A contact lens that has touched the ground is no longer safe for your eyes, even if it “looks clean.” T...