Nidek/Marco ARK 10000 OPD Scan II

Very nice instrument was fully upgraded to OPD Scan 2 and includes a brand new joystick.

The NIDEK OPD-Scan II provides information on corneal topography, wavefront, autorefraction, keratometry and pupillometry in one unit, utilizing state-of-the-art imaging and analysis technology developed specifically to measure normal to highly aberrated eyes. The system offers a variety of data maps to provide information on the total refractive error, wavefront, corneal shape, internal aberrations and visual quality of the eye, allowing highly accurate and reliable information for optic diagnostics. 

Measurement Selection for Improved Reliability - The OPD-Scan II offers increased reliability of examination by automatically selecting the best measurement from multiple measurements, allowing a more reliable clinical decision.

Fast Processing Speed - The OPD-Scan II offers fast processing speed, minimizing stress in daily clinical use. 

Improved Accessibility - to a Patient Eye With the improved forehead rest, it is easier to reach and keep the patient's eyelids open.

Wide Measurement Range - Has the ability to measure high power Cylinder providing accuracy in irregular aberration measurements. (Sphere -20.0 to +22.0D and Cylinder 0.0 to ±12.0D)

Easy Data Maintenance - with a Detachable HDD Patient data is saved to a detachable HDD, allowing quick and easy data transfer. 

Network Capabilities - Data from the OPD-Scan II may also be analyzed at a remote location using the OPD-Station.

OPD MAP = The OPD (Optical Path Difference) map plots the refractive error distribution of total eye aberrations, lower and higher order, in Diopters. This map allows the clinician to easily determine the refractive status and visual quality of the eye with one quick look. This map is unique to the NIDEK OPD-Scan II. 

Wavefront High Order Aberration Map - This map shows specific high-order aberration components only, extracted from the total wavefront map. Plotted in microns, this map illustrates the location and degree of high-order aberrations in the eye. 

Zernike Graph - This graph plots all aberration components that make up the aberration profile of the eye, and shows the magnitude of each component such as spherical aberration, coma and trefoil. The graph is used to determine which aberration(s) dominate the aberrations structure of the eye and to what degree. This information may be connected to visual symptoms. 

Internal OPD Map - This map shows the internal aberrations of the eye. It can be used to distinguish the effects of internal aberrations versus corneal or surface aberrations. For normal corneas, the map indicates the presence of internal astigmatism (especially, lenticular astigmatism), and shows the direct refractive effect of an IOL (such as tilt and haptic torque). This map is also unique to the NIDEK OPD-Scan II.

Axial Map - This is a corneal topography map showing the general surface shape of the cornea. With this map, clinicians can easily recognize such conditions as keratoconus and irregular astigmatism. 

Eye Image - This is the actual image of the eye when the measurement is taken. By looking at the actual eye, conditions such as corneal or cataract opacification can be identified. Also displays Photopic and Mesopic images in addition to Placido Ring image. 

Full 90 day warranty included.


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