parameter specifications
| MODEL | Keratron™ Nova |
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VIDEOKERATOSCOPE
| Configuration | Mountable on the most popular slit lamps |
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| 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 | Global shutter & full HD digital camera |
| 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. Repeatability check and contact lens simulator |
| Accessories included | Calibration sphere, touch pen, USB memory stick, Keratron™ software, power supply |
| Capturing images | By button to activate full automatic mode |
| Communication external PC and VK | Via Ethernet cable direct external PC (not supplied) or via a LAN Network (cable not supplied), exams export to USB stick. Wi-Fi ready |
| Power Supply | 100-240VAC, 50/60Hz, with medical power supply provided |
COMPUTER (RECOMMENDED MINIMAL REQUIREMENTS)
| Operating system | Windows 10/11 (or higher) |
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| Processor/Memory | i5/8GB |
| Disks | 250GB (HDD/SSD) |
| Monitor | 17” 1920×1080 |
| Printer | Color inkjet |
| Port | LAN/USB (Type A) |
SOFTWARE
| Dioptric scale | Absolute, Normalized, Adjustable |
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| Keratometric Values and Indices | K-readings, meridians, hemi-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 screen with header of the institution, or personalized print templates | |
| Special functiones | Profiles, difference, repeatability check, maps comparison caliber, refraction calculator, follow-up, TBUT |
| Image acquisition and Videos | Enabled with TV camera mounted on a slit lamp and video capture board (not included) |
| Contact Lenses | Fluorescein pattern simulation of most international contact lenses 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 lenses. Ortho-K custom fitting. Adjustable clearance scale. Link to third party software. |
| Internet connection | Maps can be sent as attachments to e-mail |
| Local network and database | Management of one or more independent databases shareable in a network |
OPTIONALS
| 163204 | Base with joystick and left/right sensor |
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CONFORMITY
| CE MARK | Medical Device Regulation 2017/745 (MDR) FDA Approved |
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