How Long Does an Intraocular Lens Last? Does It Need Replacing?

People preparing for cataract surgery often wonder how long an intraocular lens lasts and whether it needs replacing. Here is a simple explanation.

Intraocular Lenses Last a Lifetime

In general, intraocular lenses are designed to be permanent and last a lifetime. Unlike the natural lens, they do not degrade. Materials such as acrylic or PMMA are highly biocompatible and stable long-term, so replacement is not needed in typical cases.

Situations to Be Aware Of

• Posterior capsule opacification (PCO) — not lens degradation, but clouding of the capsule behind the lens. It is easily treated with a YAG laser without replacing the lens. A 360° square-edge design helps reduce this.
• Changes in prescription — usually managed with glasses, without replacing the lens.

Post-operative Care

• Use prescribed eye drops strictly as directed
• Avoid rubbing the eye early on
• Attend regular follow-up appointments

Conclusion

A quality intraocular lens lasts a lifetime without needing replacement. What matters is choosing a certified lens and proper aftercare.

See our certified intraocular lenses (ISO 13485, CE, Thai FDA), or consult our expert team through any channel.

This article is general educational information. Please consult an ophthalmologist for advice suited to your eyes.