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  • Writer's pictureSimone Klose

Seeing Clearly: The Benefits of Femto Laser Cataract Surgery

Updated: May 10, 2023





Femto laser cataract surgery or Z-Cataract is an advanced surgical technique used to remove cataracts from the eyes. In this procedure, a Ziemer femtosecond laser is used to make precise incisions in the eye, which allows for more accurate and efficient removal of the cataract.


A cataract is a clouding of the natural lens in the eye, which can cause vision problems. The lens is normally clear and helps to focus light onto the retina, which sends visual signals to the brain. However, with a cataract, the lens becomes cloudy and blocks or scatters light, which can make it difficult to see clearly. Cataracts are a common condition that typically develop slowly over time and can affect one or both eyes. Some common symptoms of cataracts include blurred or hazy vision, increased sensitivity to glare, and difficulty seeing at night or in low light conditions.




During femto laser cataract surgery, a special laser is used to create a circular opening in the front of the eye. This opening, known as a capsulotomy, allows the surgeon to access the cataract and break it up into small fragments using the laser. The laser can also be used to create precise incisions in the cornea to reduce astigmatism or correct other vision problems.

Once the cataract has been broken up into smaller pieces, the surgeon uses ultrasound to remove the fragments from the eye. In some cases, a lens implant may be inserted to replace the natural lens that was removed.

Femto laser cataract surgery is considered a more precise and less invasive alternative to traditional cataract surgery. It typically results in faster healing times, fewer complications, and improved visual outcomes for patients. It is also sometimes referred to as "bladeless" cataract surgery because the laser is used instead of a surgical blade to make the incisions in the eye. However, femto laser cataract surgery may not be suitable for everyone, and it may not be covered by insurance. It is important to discuss the benefits and risks of this procedure with your eye doctor to determine if it is the right choice for you.

Summary of benefits:


1. Utmost precision in the micrometer range: The femtosecond laser allows the surgeon to achieve perfect capsule shape, size and position for lens fragmentation with high-precision incisions. This means that the artificial lens will remain stable and provide the best possible vision long term.

2. Minimally invasive: The femtosecond laser creates precise accesses to the interior of your eye and fragments the clouded lens in such a way that it can be removed with very little or even no ultrasonic power. This means that there is less strain on sensitive tissues and structures of the eye, which should help to prevent an inflammatory response.

3. Predictability of important surgical steps: Your eye is carefully measured in advance, and the laser gives the surgeon the possibility to plan your unique surgery in advance. This means that the procedure is reproducible and guided by the surgeon who keeps control all the time.

4. Individualized and combined treatment: The laser’s precision and versatility allows your surgeon to precisely carry out the treatment, ensuring a custom procedure perfectly designed for your individual eye.



Overall, Z-Cataract is an advanced cataract surgery procedure that offers precision, predictability, and customization to enhance the capabilities of the surgeon and provide the best possible vision long term. However, femto laser cataract surgery may not be suitable for everyone, and it may not be covered by insurance. It is important to discuss the benefits and risks of this procedure with your eye doctor to determine if it is the right choice for you.


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