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Technology

Over 12,000 people have chosen Dr Phillip McGeorge and Perth Laser Vision to perform their laser eye surgery attesting to a sound record of excellent results and a high level of patient satisfaction.

Wavelight Femtosecond (FS200) laser

The centre continues to offer the latest technology in Perth with the addition of the Wavelight Femtosecond (FS200) laser. The Wavelight FS200 represents the latest improvement in LASIK surgery and is exclusive to Perth Laser Vision.

LASIK is a two-step procedure which requires the surgeon to first create a micro-thin corneal flap on the surface of the eye, which is then lifted allowing the Excimer laser to reshape the eye to correct the refractive error.

This flap is created using the Wavelight FS200 laser. As the Wavelight FS200 laser is directed across the eye it creates a microscopic layer of bubbles at a specific depth just beneath the corneal surface. The flap is then lifted by separating the tissue where the bubbles have formed.

This technology represents the accepted standard of care in LASIK worldwide. With its excellent safety profile and superior visual outcomes, the Femtosecond Method is among the fastest-growing refractive surgical techniques and more than 2 million LASIK procedures have been performed using the Femtosecond Method.

Wavelight Excimer laser

The Wavelight EX500 Excimer laser is used during the second step of the procedure to correct the refractive error.

Featuring a 500 Hz repetition rate, the WaveLight® EX500 Excimer Laser delivers the world's fastest treatment times, resulting in consistent outcomes. Its innovative engineering helps reduce the potential for:

  • Sensitivity to eye movements
  • Patient eye fixation fatigue
  • Dehydration of the cornea with delayed or prolonged treatment times
  • Reduces the potential for night-time glare and halos

With a powerful 1050 Hz multi-dimensional eye tracker, the WaveLight® EX500 Excimer Laser offers exceptional precision and safety:

  • Movement tracking with just 2 milliseconds of latency
  • Dynamic pupil tracking
  • NeuroTrack to compensate for rotation of the eye

Wavefront analysis

Wavefront analysis is a method that measures the total refractive error and corneal shape of each eye. It is a system developed to provide a personalised vision solution for each individual laser treatment. The effect is enhanced precision in the treatment of refractive errors.

Through combining the diagnostic capabilities of the Oculyzer with the Analyzer, a unique prescription is calculated and then loaded into the Wavelight EX500 Excimer laser using a specialised software system. This technology when combined with the lasers' infra-red eye tracker, to monitor and follow eye movements, and the flying spot laser beam principle, produces even greater precision, accuracy and efficiency further boosting the excellent results already achieved by standard Excimer equipment.

Oculyzer

This diagnostic device produces a comprehensive topographic map of both the external and internal surfaces of the cornea, to measure its thickness, elevation and curvature.

Analyzer Wavefront Aberrometer

This instrument uses wavefront technology - directing a small beam of light into the eye, that reflects from the retina at the back of the eye and the Analyzer measures the deviation of the wave of light that is reflected out of the eye through the pupil from hundreds of specific points externally, thus revealing any abnormalities within the entire optical system.

 

For the technically minded:
WaveLight® FS200 Femtosecond Laser

Faster Flap Creation

Featuring the world’s fastest flap creation times, the 200 kHz WaveLight® FS200 Femtosecond Laser delivers precise, predictable outcomes:

  • Standard flap creation in approximately 6.0 seconds
  • Automated vacuum control of the patient interface for consistent suction
  • Minimizes Intra-Ocular Pressure elevation and ocular distortion during suction
  • Fast visual regeneration

Tailored Performance

Offering adjustable hinge position and size, variable side-cut angles, flap sizes and shapes, the WaveLight® FS200 Femtosecond Laser allows surgeons to expand their treatment options:

  • Adjustable flap centration after suction is applied
  • Sub-Bowmans Keratomileusis
  • Intracorneal ring segments
  • Lamellar, perforating and penetrating keratoplasty

Precision at Every Turn

OThe WaveLight® FS200 Femtosecond Laser combines a small focus with low pulse energy and a unique cutting pattern for accurate flap creation:

  • Sharply cut edges
  • Smooth stromal beds
  • Easy to lift flaps
  • Minimized opaque bubble layers

Calibration That's a Cut Above

Utilizing the proprietary Beam Control Check, the WaveLight® FS200 Femtosecond Laser accommodates a wide range of patient variables for more consistent flaps:

  • Compensates for Z-Position variances
  • Compensates for temperature shift of the laser system's components
  • Automatically calibrated for each applanation cone
  • Consistent flap thickness through a reduction of standard deviation

An Eye Towards Ergonomics

The WaveLight® FS200 Femtosecond Laser offers numerous features for improved usability and procedural efficiency:

  • High quality microscope provides visibility throughout the entire procedure
  • Adjustable joystick that can accommodate either hand depending on the treated eye
  • Motorized laser arm moves in three axes for more precise docking

Seamless Integration

As part of the WaveLight® Refractive Suite, the WaveLight® FS200 Femtosecond Laser can be linked through WaveNet™, an integrated network, with the WaveLight® EX500 Excimer Laser and WaveLight® diagnostic devices for simplified data throughput:

  • Improves the patient experience and patient flow
  • Saves valuable surgeon and staff time
  • Reduces the potential of transcription errors for consistent refractive outcomes

WaveLight® EX500 Excimer Laser

Built for Speed and Superb Outcomes

Featuring a 500 Hz repetition rate, the WaveLight® EX500 Excimer Laser delivers the world's fastest ablation times at only 1.4 seconds per diopter, resulting in consistent outcomes. Its innovative engineering helps reduce the potential for:

  • Sensitivity to eye movements
  • Patient fixation fatigue
  • Dehydration of the corneal stromal bed
  • Flap shrinkage with delayed or prolonged treatment times

Customized for Every Eye

The built-in flexibility of the WaveLight® EX500 Excimer Laser allows surgeons to expand their refractive treatment capabilities:

  • Wavefront Optimized®, Wavefront-Guided, Topography-Guided, Custom-Q™ and PTK treatments
  • Customized pupil-center centration options among different lighting conditions
  • Line of sight and corneal vertex centration

Precisely Focused on Accuracy

With a powerful 1050 Hz multi-dimensional eye tracker, the WaveLight® EX500 Excimer Laser offers exceptional precision and safety:

  • Movement tracking with just 2 milliseconds of latency
  • Dynamic pupil tracking from 1.5 mm to 8.0 mm
  • Active pupil centroid shift correction
  • NeuroTrack to compensate for cyclotorsion

Optimized Shot Distribution

Utilizing proprietary PerfectPulse Technology®, the WaveLight® EX500 Excimer Laser maintains a high pulse frequency with a minimized thermal load:

  • Only 1 pulse in 5 is allowed to overlap
  • Optimizes temporal and spatial shot distribution
  • Additional pulses are sent to the periphery to compensate for energy loss
  • Reduces the potential for nighttime glare and halos

Designed with Efficiency in Mind

The WaveLight® EX500 Excimer Laser workstation has been ergonomically designed to provide enhanced information and usability throughout the refractive procedure:

  • Integrated heads-up display
  • Fiber slit projector with LED light source
  • Increased working distance of 25 cm
  • Standard, high-resolution video system
  • Built-in, non-contact, online pachymetry

The Cutting Edge of Laser Technology

Featuring enhanced beam path technologies, the WaveLight® EX500 Excimer Laser sets the standard for laser precision and durability:

  • Completely sealed beam path
  • Continuous nitrogen-flushed beam path
  • Onboard nitrogen generator
  • Long laser head life expectancy

Seamless Integration

As part of the WaveLight® Refractive Suite, the WaveLight® EX500 Excimer Laser can be linked through WaveNet™, an integrated network, with the WaveLight® FS200 Femtosecond Laser and WaveLight® diagnostic devices for simplified data throughput:

  • Improves the patient experience and patient flow
  • Saves valuable surgeon and staff time
  • Reduces the potential of transcription errors for consistent refractive outcomes