Excellent Vision Without Glasses After Cataract Surgery

Understanding the New Johnson & Johnson TECNIS PureSee™ Intraocular Lens

Insights from leading cataract surgeons and clinical investigators

Cataract surgery has entered a remarkable new era. What was once viewed simply as a procedure to “restore sight” is now increasingly about optimising vision quality, reducing dependence on glasses, and improving everyday lifestyle function.

In a recent discussion on The Doctor Podcast Show, leading cataract surgeons and clinical investigators shared their insights on one of the most exciting innovations in modern eye care: the TECNIS PureSee™ intraocular lens (IOL) by Johnson & Johnson Vision.

Below is a summary of the key clinical and real-world insights from that conversation — translated into clear, patient-friendly language.

What is a Cataract — and why does it matter?

A cataract is simply the clouding of the natural lens inside the eye. As we age, this lens gradually becomes yellowed and less transparent, leading to:

• Blurred or hazy vision

• Difficulty with night driving

• Increased glare and halos from lights

• Struggles with reading or screen use

As explained in the discussion, cataract surgery remains the most commonly performed surgical procedure in the United States, and one of the most successful in all of medicine.

The key point today is this:

Cataract surgery is no longer just about restoring vision — it is about upgrading vision.

The real limitation of traditional (monofocal) lenses

After cataract removal, the cloudy natural lens is replaced with an artificial intraocular lens.

The most basic option is a monofocal lens, which typically provides clear distance vision.

However, as highlighted in the podcast:

• Distance vision is usually excellent

• But near vision (reading) and intermediate vision (computer use, phone use, dashboards) still require glasses

• Patients often need glasses for almost anything “within arm’s reach”

In simple terms:

A monofocal lens restores sight — but not visual freedom.

Why premium lenses were developed

To reduce dependence on glasses, newer lens technologies were introduced:

• Multifocal lenses

• Extended Depth of Focus (EDOF) lenses

These designs aim to provide vision at multiple distances, but earlier generations often came with trade-offs such as:

• Halos around lights

• Glare, especially at night

• Reduced contrast in low-light conditions

As the surgeons explained, this created a long-standing challenge in cataract surgery:

More range of vision often meant less clarity of vision.

What makes the TECNIS PureSee™ lens different?

The TECNIS PureSee™ lens represents a new generation of EDOF technology designed to reduce that compromise.

1. A continuous range of vision

Instead of “splitting light” into separate focal points, PureSee is designed to provide a smooth, continuous range of focus — from distance through intermediate, with useful near vision.

2. Preserving visual quality

A major theme in the discussion was not just how far patients can see — but how clearly they see.

The surgeons emphasized:

• High-quality distance vision is maintained

• Intermediate vision is strong (computer, daily tasks)

• Near vision is sufficient for most daily activities

• Glasses are needed far less frequently

The key breakthrough: contrast sensitivity

One of the most important findings from the clinical trials was:

• No meaningful difference in contrast sensitivity compared to monofocal lenses

This is significant because previous generations of premium lenses often reduced contrast, especially in:

• Night driving

• Rainy or low-light conditions

• High-glare environments

In the words of the discussion:

This lens behaves more like a monofocal in terms of clarity, while extending the range of vision.

Very low visual side effects

Another major highlight from the clinical data was patient-reported experience:

• ~97% of patients reported no or minimal bothersome halos or glare

This is a key differentiator compared to earlier multifocal technologies, where night vision disturbances were more common.

What surgeons are seeing in real-world use

The investigators shared their early real-world experience after FDA approval:

• Excellent distance vision without compromise

• Strong functional reading ability for daily life

• High patient satisfaction

• Many patients using glasses only occasionally

One surgeon summarised it clearly:

“If I were having cataract surgery today, this is the lens I would choose for myself.”

That statement reflects a strong level of confidence based on both clinical trial data and real-world outcomes.

Who is the PureSee™ lens suitable for?

A very important point made in the discussion is that no single lens is right for everyone.

Before recommending any premium IOL, a full eye assessment is essential, including:

• Corneal health

• Retina examination

• Tear film and dry eye evaluation

• Overall ocular condition

However, the PureSee lens has expanded the range of suitable candidates, including more patients who want reduced dependence on glasses without sacrificing visual quality.

Why contrast matters in daily life

Contrast sensitivity is the ability to distinguish objects from their background.

As explained in the discussion:

• Cataracts reduce contrast gradually over time

• Even after surgery, lens choice affects contrast quality

• Good contrast is essential for safe driving and daily function

The PureSee lens aims to restore:

• Sharp object definition

• Better performance in low light

• More natural visual experience

A new era in cataract surgery

The overarching message from the experts was clear:

Cataract surgery is now in a golden age of innovation.

With technologies like TECNIS PureSee™, the goal is no longer just:

• Remove cataract → restore basic vision

But instead:

• Remove cataract → optimise vision for modern life

This includes reading, driving, screen use, and maintaining independence without constant reliance on glasses.

Final thoughts

As highlighted by the surgeons in the discussion, the most important decision in cataract surgery is not the surgery itself — but the careful selection of the right lens for each patient.

The TECNIS PureSee™ lens represents a meaningful step forward in achieving:

• High-quality vision

• Reduced dependence on glasses

• Minimal visual disturbances

• Strong real-world performance

For suitable patients, it offers an exciting balance between visual freedom and visual clarity.

Considering cataract surgery?

At Dr Mark Deist Ophthalmology Practice, we take a personalised approach to cataract surgery and intraocular lens selection, ensuring that each patient receives the best possible visual outcome for their lifestyle and eye health.

To find out whether advanced lens options such as the TECNIS PureSee™ may be suitable for you, we recommend a comprehensive eye assessment and consultation.

Dr Mark Deist Sandhurst Eye Centre 53 Saxon Road, Sandhurst, Sandton Tel: (011) 217 7520 Email: deist@icon.co.za www.drmarkdeist.com