Sonomed PacScan Plus Ultrasound

Brand: Sonomed Escalon


The Sonomed PacScan Plus is a reliable and accurate digital combination system that can be configured as an A-Scan, Pachymeter, or both.

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The PacScan Plus can be ordered with A-Scan or Pachemetry modules, or both.  This combination unit from Sonomed Escalon is a portable, digital, combination system, with a large color touch screen, on-board memory and USB interface for archiving, extreme accuracy, repeatable measurements, and reliability.



  • Immersion or direct contact A-scan
  • Manual or automatic capture (cataract, dense cataract, aphakic, silicone oil, and pseudophakic modes)
  • Auto calculation of axial length, anterior chamber depth, lens thickness, and vitreous, with axial length average and standard deviation provided for up to 5 scans per exam
  • Standard IOL formulas: Binkhorst, Regression-II, Theoretic/T, Holladay, Hoffer-Q, and Haigis
  • Post-refractive IOL formulas include Latkany Myopic Regression, Latkany Hyperopic, and Aramberri Double-K
  • Easily review each scan, delete outlying scans, and add new scans
  • Customizable tissue velocities of each structure
  • Automatic measurement algorithm senses when probe is properly aligned
  • Average and standard deviation computed for each reading (each reading consists of 64 individual measurements)
  • Can measure central and peripheral cornea thickness; multiple corneal maps with graphical display
  • Measurement range from 125 to 1000 microns enabling measurement of cornel flap
  • Built-in probe sensitivity test and calibration confirmation
  • Straight or 45 degree probes available
  • High Contrast Color Touch Screen
  • User Friendly Graphical Interface
  • 5 Programmable User Profiles
  • Scan Viewer Archiving Software
  • USB Interface
  • SD Memory Card
  • Built-In Thermal Printer
  • Storage Compartment
  • Portable Design Weighing 6 lbs (2.7kg)
  • Power Requirements: PacScan System: 100-240 VAC; 50/60 Hz, Optional Printer: 100-240 VAC; 50/60 Hz


Scan Modes:

  • Direct Contact/Immersion
  • 5 Examination Modes: Cataract Dense Cataract Aphakic Pseudophakic (5 settings) 4-Gate Manual


  • ACD, Lens, Vitreous, Axial, Average Axial, Standard Deviation
  • Individual Zone Velocities
  • Automatic Sensing Algorithm
  • Measure Review
  • Auto-Calibration


  • Clinical Accuracy: ±0.10mm
  • Electrical Accuracy: ±0.023mm
  • Lens Calculations in 0.25D Increments
  • 10-Lens Database Formulas:
  • Refractive: Binkhorst, Regression-II, Theoretic/T, Holladay, Hoffer-Q, Haigis
  • Post-Refractive: Latkany Myopic, Latkany Hyperopic, Aramberri Double-K

A-Scan Probe Styles:

  • Standard A-Scan Probe for Hand-Held, Immersion, or Slit Lamp Mounted Application
  • Soft-Touch A-Scan Probe for Hand-Held Use Minimizing Corneal Compression


Scan Modes:

  • Map 1: Single Point, Single-Scan
  • Map 2: Single Point, Multi-Scan
  • Map 3: 5 Points, Single-Scan
  • Map 4: 5 Points, Multi-Scan
  • CCT, IOP Correction
  • Calibration


  • Adjustable Corneal Velocity
  • Automatic Sensing Algorithm
  • Measure Review
  • 64 Scans Averaged with Standard Deviation
  • Internal Accuracy Test
  • Auto Calibration Specifications:
  • Range: 125-1000 Microns
  • Clinical Accuracy: ±5 Microns
  • Electronic Accuracy: ±1 Microns
  • 20MHz Direct Contact Probe

Pachymeter Probe Styles:

  • 20 MHz Straight Pachymeter Probe for Use When Patient is in Sitting Position
  • 20 MHz 45 Degree Angled Pachymeter Probe for Use When Patient is in Supine Position