Moderately high myopic eyes (6.0 to <8.0 D [6 D]) were compared with high myopic eyes (8.0 D or greater [8 D]). Asphericity-guided, using Custom-Q profiles. These devices are indicated for use in Photorefractive Keratectomy (PRK) … EX500 Excimer Laser is the only excimer laser to operate at 500 Hz, with an average treatment time of approximately 1.4 seconds per diopter1. Additionally, data are obtained from the iris and limbus to aid the cyclorotational tracker in actively and passively ensuring that the ablation is delivered to the intended location. Retinal specialists unpack the data and discuss how it can be applied in the clinic. https://crstodayeurope.com/articles/2012-feb/the-wavelight-ex500-excimer-laser/. Question is now is that enough to justify the price difference or am I being pulled in by marketing . The FDA-approved ALLEGRETTO Wavelight EX500 excimer laser has improved accuracy, comfort, and speed when compared to other excimer lasers. The quicker speed, combined … The Oculyzer II, also known as the Pentacam HD (Oculus Optikgeräte GmbH), provides more high-definition data than the previous Oculyzer. The result is the natural aspherical shape of the cornea is preserved to a degree that older lasers simply could not achieve. For instance, if you become concerned about the amount of tissue that the laser will have to remove, you can switch from an 8-mm to a 6-mm optical zone.”. “But when they get out of those treatment ranges into higher ones, as well as with mixed astigmatism and hyperopes, speed becomes a factor, since desiccation becomes important with regard to outcomes.” For comparison, Dr. Stonecipher cites a study that compared the results of the 200-Hz Allegretto Wave to those of the 400-Hz device in 206 eyes of 121 patients with -6 to -12 D of error with up to 3 D of cylinder.1 At the three- and six-month visits in the 200-Hz group, 77 percent (109/141) and 86 percent (121/141) of eyes, respectively, were within ±0.50 D of the intended correction. The Allegretto Wave was developed specifically for wavefront treatments—with a fast, accurate tracker, a small 0.95-mm spot size, a rapid 200-Hz repetition rate, and a Gaussian beam profile that is particularly well-suited to treating localized aberrations. “However, it matters. The innovative WaveLight EX500 Excimer Laser is the newest and fastest laser system available in the U.S. that enhances the precision, reliability and safety of laser vision correction. The FDA has approved several excimer lasers for use in vision correction surgery. The WaveLight EX500 is the quickest excimer laser available today, working at 500 Hz with a treatment period of 1.4 seconds per diopter-a 20% improvement over preceding laser generations. All rights reserved. Expedited Review Granted? One of the key features of the device is its ablation speed, running at 500 Hz, vs. the speed of the previous model, the Allegretto Wave IQ 400 Hz. Anyone know anything about these machines to compare them? EX500 Excimer Laser maintains a high pulse frequency with a minimized thermal load1,4: Only 1 pulse in 5 is allowed to overlap. With the EX500, a myopia treatment at a 6-mm optical zone takes 1.4 seconds per diopter; at a 6.5-mm optical zone it takes 1.9 seconds per diopter. Not Rated Rate this modal. However impressive its speed, this is by no means the laser’s overriding feature. Tips and techniques for working with the first toric presbyopic intraocular lens approved in the United States. During LASIK, we also incorporate the WaveLight FS200, a laser tool used to create the corneal flap with far greater precision and safety than a … Basel, November 15, 2015 – Alcon, the global leader in eye care and a division of Novartis, will introduce Contoura Vision, the latest advancement in its WaveLight refractive portfolio during the annual meeting of the American Academy of Ophthalmology (AAO) in Las Vegas, November 14-17, 2015. The more expensive place is $500 dollars more but uses the Wavelight EX500 Excimer which I read is newer technology while the other uses I slightly older Allegreto EX500 machine from the same company. The company says that positioning the fixation light within the other lights helps prevent cyclotorsion and gets the eye into the right alignment. The eye tracker is also motorized, no longer swinging over the patient’s chest but dropping from within the laser bridge over the eye. In the 400-Hz group, 98.5 percent (64/65) and 100 percent (65/65) of eyes were within ±0.50 D of the intended correction at three and six months postoperatively. The FDA has approved several excimer lasers for use in vision correction surgery. Patient Financing. Safety and control have increased thanks to numerous technological advances. The laser software interface was updated to include three places for data entry: (1) using a built-in keyboard on the laser, (2) on the screen attached to the laser using a mouse and pull-down menus, and (3) on the planning laptop. The WAVELIGHT™ EX500 Excimer Laser extends possibilities beyond 20/20, and minimizes problems associated with older generation lasers, such as reduced night vision, glare, and haloes. Wavefront-guided, based on the Allegretto Wavefront Analyzer data (Tscherning); Topography-guided, T-CAT, derived from data from the Placido-disc Topolyzer; Topography-guided, Oculink, derived from the Scheimpflug Oculyzer device; and. The standard ablation profile for both platforms is wavefrontoptimized, which is what we use for 85% of our primary procedures. com. Learn more about the Alcon WaveLight® Refractive Laser Suite and how it may benefit your practice. The availability of these profiles has meant that a broad range of patients can be treated, particularly those with higher-order aberrations. He states that he is a consultant to and clinical investigator for Alcon/WaveLight. Alcon Scientific Results and Data Presentations during AAO . By contrast, in the 400-Hz group 80 percent (52/65) and 92 percent (60/65) of eyes had 20/20 or better uncorrected vision at three and six months, respectively. Refractive surgery is a well-established field, and today surgeons have a number of available options to choose from when treating patients. “They’re looking at other sources of aberrations and joining them with data points from topography and tomography to try to improve the outcomes of refractive surgery,” he says. The Bausch & Lomb Technolas 217z customized ablation system was approved to correct up to -7 D of myopia with up to -3 D of astigmatism. The new eye tracker will engage six dimensions, namely x and y, passive and active cyclorotation, tilt (eye roll), and dynamic pupil centroid shift. Optimizes temporal and spatial shot distribution5. The new bed has motorized head tilt and head position functions. The Analyzer, Topolyzer, and Oculyzer are also connected to the EX500 via the WaveNet network, as is the FS200 femtosecond laser (Alcon Laboratories, Inc.). I have done comparative studies of the refractive outcomes after laser vision correction with the 400 Eye-Q and EX500 laser platforms. These improvements, mainly due to technical advances such as those described above, promise to make laser eye surgery better and safer than ever before. The topo-guided treatment is aimed at patients who have asymmetric bow ties, topographic abnormalities, decentrations or need larger treatment zones when there’s a potential for problems with glare and halo. The right ocular contains patient name, date of birth, the eye to be treated, the ablation profile to be used, the strength of the eye-tracker signal, and the progression of the ablation as a percentage. To aid in decision making, the ablation profiles that are being considered for a treatment can be compared on the same screen. This greatly increases efficiency and safety and reduces input errors, as it eliminates multiple input entries on the different devices. To be sure to track the eye accurately, the EX500’s tracking system is composed of four lights situated in positions similar to the corners of a rectangle, with a fifth fixation light placed in the middle of the rectangle. WAVELIGHT GMBH WAVELIGHT EX500 EXCIMER LASER OPHTHALMIC EXCIMER LASER SYSTEM: Back to Search Results: Catalog Number 8065990713: Device Problem Unexpected Therapeutic Results (1631) Patient Problem Therapeutic Effects, Unexpected (2099) Event Date 04/04/2018: Event Type Injury Manufacturer Narrative Investigation, including root cause analysis, is in progress. Motorized zoom.The microscope is cataract-surgery quality and can be programmed to automatically zoom in or out at different stages of the procedure. It is key to the smooth use of the laser, especially if it is used in conjunction with the FS200. Hopefully it will not be too long before the ray-tracing profile is available on all EX500 lasers. This feature increases patient safety, as the surgeon immediately knows the flap thickness and residual corneal thickness prior to starting ablation utilizing a no-touch technique. The eye tracker runs at 1,050 Hz and has a latency time of 2 milliseconds, tracks pupils from 1.5 to 8 mm and is able to compensate for cyclotorsion. A myopia treatment at a 6-mm optical zone takes 1.4 seconds per diopter, and at a 6.5-mm optical zone (my default diameter) it takes 1.9 seconds per diopter. Finally, the use of wavefront-guided is rare with the system, comprising maybe 2 percent of the total.”, Dr. Stonecipher says WaveLight is looking at ray tracing. What separates this system from the pack is that its ablation speed is running at 500Hz. The faster laser reduces the incidence of corneal dehydration during the procedure, which reduces overcorrections. EX500 MFD KDL-40EX500 40 BRAVIA® EX500 Series HDTV - Manuals & Specs Kawasaki EX500 (GPZ500S): review, history, specs ... 04 RadioCall.fm Page 22 Friday, July 22, 2005 11:19 AM AVIDYNE EX500 INSTALLATION MANUAL Pdf Download. The surgeon then lifts the flap and applies a laser treatment to reshape the eye to correct vision. I cannot recall the last time a patient was brought back to the laser room to remove interface debris or a particle. Thanks for visiting CRSTEurope. WaveLight EX500 Excimer Laser. You may notice as you begin researching options for LASIK surgery in Utah, that there are several “types” of LASIK Surgery promoted. The WaveLight® EX500 Excimer Laser is the cutting edge of LASIK and PRK surgery technology. Alcon plans for broad commercial release of Contoura Vision in in the US in early 2016. WaveLight EX500 vs VISX Star S4? The EX500 is also designed in such a way that it fits into a refractive suite of lasers and diagnostic instruments made by Alcon/WaveLight.
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