If you have had cataract surgery or lens replacement surgery and received an Oculentis Lentis intraocular lens (IOL), you may be researching lens opacification (clouding) and what it might mean for your vision.
People researching this issue are often trying to understand:
This page does not make allegations about any clinic, surgeon, or manufacturer. It provides general information about symptoms, clinical assessment, practical steps to obtain records, and when legal advice may be helpful.
Every case depends on individual facts, medical records, and independent expert evidence.
Important: This article is general information, not medical advice. If you experience sudden pain, rapid loss of vision, flashes, floaters, or a red painful eye, seek urgent medical attention.
An intraocular lens (IOL) is an artificial lens implanted inside the eye during cataract surgery or lens replacement surgery. In most cases, these lenses remain clear and stable for many years.
Opacification describes a situation where the implanted lens itself becomes cloudy or hazy. This can interfere with the passage of light through the eye and may lead to visual symptoms such as:
These symptoms can have several possible causes, which is why careful clinical assessment and clear documentation are essential.
Some patients report being fitted with Oculentis Lentis lenses (including models often referred to online as Mplus or Mplus X) and later experiencing symptoms they associate with reduced visual quality or clouding.
In many enquiries, concerns are not limited to symptoms alone. Patients also ask questions about:
Understanding what should reasonably be expected in terms of assessment, communication, and follow-up often requires access to full medical records.
If you experience cloudy vision, glare, halos, or declining visual acuity after surgery, practical steps may include:
A lens exchange (also called explantation and replacement) involves removing the implanted IOL and replacing it with another lens. This procedure can be more complex than the original surgery because tissues may have healed around the lens.
A lens exchange may be discussed where there is a potential lens-related issue and where the expected benefits outweigh the risks.
If this option is raised, it is sensible to ask:
Some people seek legal advice if they are concerned about:
Whether any criticism is justified always depends on the medical records and independent expert evidence.
NJS Law does not assume wrongdoing—the first step is establishing what happened and what the records show.
Potential legal routes may include clinical negligence (for example, issues around consent, diagnosis, or aftercare) and, in some circumstances, consumer or contractual arguments in private treatment settings.
Which route may be relevant depends on:
Helpful information often includes:
Medical records
Your symptom timeline
Communications
Time limits are fact-specific. In England and Wales, many clinical negligence claims are subject to a three-year limitation period from the date of injury or date of knowledge (with exceptions). Early advice is often helpful while records are being gathered.
If you believe you were fitted with a Lentis (Oculentis) intraocular lens and have experienced cloudy vision, glare, halos, or reduced visual acuity—or if you have concerns about information provided, follow-up, or management—NJS Law can review your circumstances and advise on next steps.
👉 Speak to our Clinical Negligence team
Get in touch using the form below or via the following methods: