The visual acuity machine C901, which is necessary for ophthalmic diagnosis, is mainly used to evaluate the visual ability of patients. It's based on having patients view charts of different types, colors, or patterns. Whether it is to evaluate the eye condition of new patients or postoperative recovery, a visual acuity test machine is one of the indispensable diagnostic equipment. MediWorks vision chart C901 adopts a 17-inch LED backlight screen and weighs only 3.6kg, which can be installed on the desktop or wall. At the same time, it can support remote operation and various test forms, including video playback, image browsing, image playback, etc.
◉ 17 inch LED backlit screen
◉ New CNT test, which is more scientific, effective, and directive. CNT curve will be formed and displayed on the screen when the test is finished.
◉ Better user experience--- All tests icons are listed on home interface.
◉ Quick test list--- Pick ten or less frequently used tests to establish your own quick test list.
◉ V style optotype arrangement--- Avoid optotpyes congested on the screen.
◉ Excellent programming give full play to the features of CPU.
The built-in software of C901 is developed on Linux platform. All the optotypes and charts are vector graph.
Change the parameters,
What you do: Press SET button on remote controller.
What C901 does: Redraw the optotypes and charts on based on defined parameters.
Three languages,Chinese,English and Russian,are available currently.
Working distance can be flexibly adjusted according to user’s needs.
Various visus units for different operator’ preference.
Red & Green value can be set real time according to the clinical condition.
Reversible optotypes and charts for mirrored room.
Size of image can be changed freely according to the working distance.
Screen Saver and Standby function are available.
Gamma Calibration function brings the professional contrast sensitivity measurement.
Software upgrade provided for free during the lifetime of C901.
With two external ports on C901 provided for SD Card and USB flash disk connection, the user
Can run the automatic update procedure.
Can play video (AVI, MKV and MP4 format.)
With the wall bracket as standard, C901 can be installed on the wall.
| Screen | |
|---|---|
| Type | 17 inch XGA Panel with LED backlit screen |
| Resolution | 1280 x 1024 pixels |
| Brightness | 80 ~ 320 cd/m² |
| Charts | |
|---|---|
| Optotypes | E, C, Alphabet, Numbers, Children, Allen pictures (Normal and Uncrowded type) |
| Mask type | Change of the background, Single mask, Horizontal mask, Vertical mask, Red/Green mask, Contrast |
| Special Chart | ETDRS,Contrast Sensitivity Test, Contrast Test, Ishihara,Cross Cylinder,Astigmatic Fan Dial,Cross Grid,Fixation Spot Test, Stereo Test, Red/Green Panel, Worth Four-Dot Test, Red/Green Balance,Traffic Light,Horizontal Coincidences, Vertical Coincidences,Schober |
| Low vision chart (E,C,Alphabet,Numbers,Children,Allen pictures) , Uncrowded Optotypes |
| Other Functions |
|---|
| Video Playing,Image browsing,Randomization Optotypes Playing,Mirror function,Screen Save function,Standby function |
| Visus Unit | |
|---|---|
| Decimal | 0.05 ~ 2.0 |
| Snellen(ft) | 20 / 400 ~ 20 / 10 |
| Snellen(m) | 6 / 120 ~ 6 / 3 |
| LogMAR | -0.3 ~ 1.3 |
| 5-Grade | 3.7 ~ 5.3 |
| Working Distance |
|---|
| 2 m ~ 7 m (in steps of 0.1 m) 6 ft ~ 24 ft (in steps of 0.5 ft) |
| Low vision chart 0.4 m~1.5 m, in step of 0.1 m |
| Power Supply | |
|---|---|
| Input | 100 ~ 240 V AC, 60 / 50 Hz |
| Consumption | 20 Watt (max) |
| Remote Control |
|---|
| IR Remote, 2*AA Batteries |
| Packaging | |
|---|---|
| Dimension | 443 mm x 371 mm x 40 mm (L/W/H) |
| Net Weight | 3.6 Kg |
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