Since the early 1970’s cataract surgeons have assimilated much better cataract surgery outcomes. Even though cataract surgery is highly known as being one of the safest and most secure of surgeries today, surgeons are still incorporating new treatments to enhance the surgical procedure for safer and potentially better results. The modern cataract surgical treatment, called phacoemulsification, was invented by Charles Kelman, MD in 1967. This know-how pioneered his way into a surgical treatment that has among the most secure and most profitable results in vision these days. Phacoemulsification refers to cataract surgery in which the lens of the eye is emulsified with a ultrasonic handpiece and aspirated from the eye.
This current technique for cataract surgery is conducted manually with a surgical blade or bent needle and forceps. But now new bladeless cataract surgery treatments are being seen as a safer alternative option. New lasers such as the LenSX laser work to not only create a self-sealing incision on the eye but it also creates an opening in the thin membrane structure that covers the natural lens of the eye. This stage where the lens capsule is removed is called capsulorhexis and has become the most fragile parts in cataract surgery treatment being critical into the safekeeping and effectiveness on the technique.
The spherical capsulorhexis is generally about 5 millimeters in diameter and will hold a six millimeter or larger IOL. For cataract surgery it is extremely important that the capsulorhexis is created in spherical uniform. If it is not perfectly uniform it may cause in the IOL to tilt or shift as the capsular bag contracts across the IOL during the healing process. Also if the capsulorhexis is torn during In the manual process of cataract it could avoid the attachment of certain kinds of IOLs, and as a result compromising the desired outcome.
The LenSx Laser has been tested in clinical studies where 120 eyes were tested. In the study 60 eyes had a manual capsulorhexis made by the use of a bent or shaped needle while the other 60 had their capsulorhexis done with a femtosecond laser. This study established that the femtosecond laser obtained accuracy of plus or minus 0.25mm in diameter on all 60 procedures, thereby showing a precise capsulorhecxis and therefore a much more predictable visual outcome. The study also found that only 10% of the patients with manual capsulorhecxis achieved a similar end result. In addition, for the manual patients the error for the spherical capsulorhexis was as much as 1.6mm. Now we also offer a choice of catalyst eye laser.
In modern cataract surgery, as soon as the capsulorhexis is manufactured manually, the lens has to be disconnected from the surrounding capsular bag and severed into portions by using the ultrasonic control on the phacoemulsification instrument. Particular complications may be induced by this step such as rupturing the posterior of the capsular bag and thereby producing traumatic injury to the fragile zonular fibers that hold the bag in place and assistance to help the natural lens modify its form. For the new multifocal lens and accommodating IOLs to operate at peak overall performance, the integrity of your zonular fibers have to not be compromised.
The femtosecond laser can be used to stop these injuries to the zomular fiber by gently breaking apart or even by liquefying the cataracts lens. Surgeons can then decide to utilize the phacoemulsification instrument to remove the pieces of cataract at a lower electrical power or they may even have the ability to vacuum it out using a straightforward aspiration instrument without having ultrasonic energy in any respect.
Overall, clinical studies of the LenSx laser have shown that when liquefying the lens with the femtosecond laser much less ultrasonic power was needed to remove the lens. Clinical studies have also shown that the laser could sufficiently liquefy the lens to allow it to be aspirated without the use of ultrasound
So is laser cataract surgery the best option for you. If so , which laser might be the best for your eyes. A proper exam by a laser cataract surgeon can determine that. You may also be wondering about costs and insurance coverage for this advanced procedure. You may read more about affording laser cataract surgery.