What is trifocal lens replacement surgery?
Trifocal intraocular lens replacement surgery replaces the cloudy natural lens with an artificial lens, correcting vision at three different distances: near, intermediate (such as when using a computer), and far. Therefore, it is a good option for patients who no longer want to wear glasses.
Is trifocal lens replacement surgery safe?
For many years, trifocal intraocular lens replacement surgery has proven to be a safe and effective treatment worldwide. The procedure involves using ultrasound to remove the cloudy natural lens and then implanting an artificial lens. Trifocal intraocular lens replacement surgery is a minimally invasive procedure performed under topical anesthesia. Most patients experience significant vision improvement within days after surgery and typically recover fully within a few weeks.
Trifocal Lens Replacement Surgery Steps
1. Preparation of the Eye
The surgery is performed on an outpatient basis and usually takes 15 minutes per eye.
2. Removal of the Lens
The anterior lens envelope is opened in a circular fashion. Then the lens core is removed. The rest of the lens envelope remains and serves as a ‘holding apparatus’ for the new lens.
3. The Trifocal Lens
Each patient receives a trifocal lens that is ideally adapted to his or her individual needs. This well-tolerated artificial lens can remain permanently in the eye and is not visible.
4. Implantation of the Trifocal Lens
The surgeon inserts the new lens into the eye with an injector. The lens unfolds and is properly placed in the empty lens envelope by the surgeon. The trifocal lens corrects presbyopia in addition to other existing vision disorders (near-, farsightedness and astigmatism).
Trifocal Lens Features:
We use trifocal lenses of the latest generation
- They have patented high-performance optics and open up the possibility for you to see everyday life clearly without any aid, providing high quality near, intermediate and distance vision.
The Trifocal Premium lenses are manufactured with computer-controlled diamond tools
- This means the highest possible precision and optical premium quality for you.
The optics of the lenses are manufactured using the patented SMP technology
- A special process reduces stray light phenomena, which always occur with trifocal lenses, to an absolute minimum. The positive effect: less glare and fewer halos! Aspherical optics provide optimized image quality and improved contrast vision.
Lenses protect the sensitive retina and are optionally equipped with an extended light protection filter in addition to a UV filter.
- This protective function is used in ophthalmology, especially for the prevention of macular degeneration (AMD).
Comparison of Different Lenses
FAQs about Trifocal Lens Replacement
What are the differences between monofocal and trifocal lenses?
Monofocal intraocular lenses (IOLs) correct vision at a single distance, meaning patients may need to wear glasses after surgery to assist with near or far vision. Conversely, trifocal IOLs correct vision at all distances, including near, intermediate, and far. Patients experience a significant improvement in vision after surgery and no longer need glasses.
Single-distance correction vs. multifocal correction: Monofocal IOLs correct vision at a single distance, while trifocal IOLs provide clear vision at near, intermediate, and far distances.
Dependence on glasses: Trifocal IOLs significantly reduce patients’ reliance on glasses after surgery, while monofocal IOLs typically require glasses for activities such as reading or driving.
I have cataracts and presbyopia. Can trifocal lens replacement surgery solve both of these problems at the same time?
Yes!
Cataract surgery, which replaces the lens with an artificial one, can simultaneously correct nearsightedness, astigmatism, and presbyopia. After surgery, most people can see clearly at near, intermediate, and far distances, significantly reducing their reliance on reading glasses. A few may experience nighttime glare, especially in the initial postoperative period, and may still need glasses in dim lighting conditions, but overall, their dependence on glasses is greatly reduced.
How long can a trifocal lens last?
The Focused intraocular lens is designed to last a lifetime. Once implanted, you don’t need to worry about whether you’ll need to replace it.