Keratron Nova

Parameter Specifications

Model
Keratron™ Nova

Videokeratoscope

Configuration
Mountable on the most popular slit lamps
Area of analysis
10mm x 14 mm
Keratoscope cone
28 border mires equally spaced on a 43D sphere. Bivalent cone with Near/Far selection by touch screen
Analysed points
over 80,000
Measured points
7,168
Corneal coverage
From 0.33 mm (minimum diameter on a 43D sphere) up to 11mm on a normal eye
Measured area
90% of the corneal surface (normal eyes) with "close" cone selection. 75% of the corneal surface (normal eyes) with "distant" cone seletion
Dioptric power range
From 1 to over 120D
Resolution
± 0,01D - 1 micron
Focusing device
Eye Positioning Control System EPCS (patented) automatic acquisition with decentration correction
Videocamera
Monocromatic - high sensitivity (CCD)
Monitor
5.7'' TFT display with touchscreen
Other features
Processing on Videokeratoscope of rings, axial, curvatures, spherical offset and Gaussian maps, TBUT, sim-K, E-values, pupil data. Internal patients database
Accessories included
Calibration sphere, touch pen, USB memory stick, Software Scout, footswitch, power supply, Ethernet cross-over cable
Capturing images
Capturing by footswitch or button. Capturing in semi-automatic mode ("burst")
Communication external PC and VK
Via Ethernet cross-over cable provided for connecting "peer to peer" with the external PC (not supplied), or via a LAN network. Exams export to USB stick
Power Supply
100-240VAC, 50/60Hz, with medical power supply provided

Computer (recommended Minimal Requirements)

Operating system
MS Windows 7/8/10 (32 e 64 bit)
Processor/Memory
Intel I3, 2GB RAM
Disks
Internal 180 GB HD, CD-ROM
Monitor
Super VGA color monitor 14", 1024x768 points 16 millions color
Printer
Color printer
Port
Ethernet, USB 2.0 High speed

Software

Dioptric scale
Absolute, Normalized, Adjustable
Keratometric values and indices
K-readings. Meridians, semi-meridians, Maloney indices, eccentricity, CLMI Keratoconus indices, keratoconus follow-up
Pupil
Definition of the edge, diameter and decentering (angle K)
Zones and grids
Indication of the diameters 3, 5 and 7 mm, Cartesian axes, and millimeter grid
Maps
Local curvature, axial curvature, wavefront OPD or wavefront error (WFE) refraction and height map with 3D insert
Axis moving
Position of the axis selectable as corneal vertex, pupil center on any other choice
Print
print screen with header of the institution, or personalized print templates
Special functions
Profiles, difference, repeatability check, maps comparison caliper, refraction calculator
Image acquisition and videos
Enabled with TV camera mounted on slit lamp and any video capture board (not included)
On-line help
Detailed on line multi language help detailed for all functions
Contact lens
Fluorescein pattern simulation of most international contact lens manufacturer geometries. Tilting to simulate lid pressure. Lens displacement in any position. Eccentricity measure at 6 and 8 mm, over refraction calculator. Personalised auto-fit for customised lens. Ortho-K custom fitting. Adjustable clearance scale. Link to third party software.
Internet connection
Maps can be sent as attachments to e-mail messages
Local network and database
Management of one or more independent databases shareable in a network

Optionals

Base with joystick and left/right sensor

Conformity

Regulatory compliance
Medical Device Directive 93/42/EEC
Technical standards:
IEC 60601-1:2005/A1:2012
IEC 60601-1-6:2010
IEC 62366:2007
IEC 62304:2006
IEC 60601-1-2:2007
IEC 60825-1:1993 + A1:1997 + A2:2001

Environmental specifications

Storage/Transport
temperature range between -20°C and 60°C
humidity 0-100% (condensation included)
atmospheric pressure from 500 to 1060 hPa
In operation
temperature range between 10°C and +40°C
humidity 25-65% (non-condensing)
atmospheric pressure from 700 to 1060 hPa

Electrical specifications/power supply

Model
XP Power AFM30US12C2
Electrical insulation
Class II
Input voltage
between 100 and 240 Volts AC
Frequency
50/60 Hz
Adsorption
45VA
Output voltage
12 Vdc