C900 Vision Chart
CE, ISO13485, FDA certification
Features:
Δ High Resolution LCD 17-inch (C901) or 15-inch (C900)
Δ Wide Range of Popular Charts
Δ Vector Optotypes and Charts
Δ Optotypes Randomization
Δ Contrast Sensitivity Testing & Contrast Charts Testing
Δ Video & Audio Playing (C901)
Δ Base On Stable Linux Platform
Δ Freely Build-in Software Upgrade
Δ User-Friendly Remote Controller
Δ Excellent CPU inside makes expanding further functions available (C901)
REMOTE CONTROL FUNCTIONS
Extremely functional and easy to use, the remote control covers a full range of chart tests
13 specialty charts include Ishihara Test; Cross Cylinder; Astigmatic Fan Dial; Cross Grid; Fixation Spot Test; Stereo Test; Red/Green Panel; Worth Four DOT Test; Red/Green Balance; Street Lamp Test; Coincidence Vertical; Coincidence Horizontal; Schober Test.
5 optotypes include Tumbling E; Landolt C; Alphabet Charts; Numbers Charts, Children Charts.
7 different external functions for optotypes include Contrast function; Single Mask; Vertical Mask; Horizontal Mask; Red/Green function; White/Black function; Mirror view function.
Contrast Sensitivity Test with 135 calibrated stimuli on base of Gamma Calibration, 3 random inclinations, 9 contrast sensitivity levels, 5 spatial frequency levels.
ETDRS test can be changed at random.
Unlimited number of chart. All optotypes are dynamic. Direction Key will bring you randomization experience.
ADVANCED PARAMETER SETTING EXPERIENCE
In order to be adaptable to various clinical conditions, C901 and C900 provides a user-friendly parameter setting, and then all embedded software will redraw the optotypes and charts on base of fixed parameter.
1. Two languages, Chinese and English, are available currently. We will be thinking about adding your language in Latin if it is necessary.
2. Wide adjustable working distance from 2M to 7M in steps of 0.1M, or 6ft to 24ft in steps of 0.5ft to meet the different room size.
3. Various visus units for different operator include Decimal, 6m, 20ft, Logmar, 5-Grade.
4. Red & Green value can be set real time according to the clinical condition.
5. Reversible optotypes and charts for mirrored room.
6. Size of image can be changed freely according to the working distance.
7. Screen Saver and Standby function are available. The C901or C900 will switch to Screen Saver automatically in set time without any operation.
8. Gamma Calibration function causes the professional contrast sensitivity measurement.
9. Software upgrade provided freely during the lifetime of C901 and C900.
Specifications:
| LCD |
Type |
17-inch XGA Panel with long-lasting backlight (C901)
15-inch XGA Panel with long-lasting backlight (C900) |
| Resolution |
1280 x 1024 pixels (C901)
1024*768 pixels (C900) |
| Brightness |
160cd/m 2 (min. ) |
| Charts |
Optotypes |
Tumbling E, Landolt C, Alphabet, Numbers, Children. |
| Mask type |
Single Mask, Horizontal Mask, Vertical Mask, White/Black Mask, Red/Green Mask |
| 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, Street Lamp, Horizontal Coincidences, Vertical Coincidences, Schober. |
| Other functions |
Video Playing (C901), Audio Playing (C901), Randomization Optotypes Playing, Mirror function, Screen Saver function, Standby function. |
| Visus Unit |
Decimal (0.04)-(2.0) |
| 20ft (500)-(10) |
| 6m (150)-(3) |
| LogMAR (-0.3)-(1.4) |
| 5-Grade (3.6)-(5.3) |
| Working Distance |
2m- 7m (in steps of 0.1m) |
| 6ft- 24ft (in steps of 0.5ft) |
| Power Supply |
Input |
AC 220V-230V ± 10%, 50/60 Hz |
| Output |
12V DC |
| Consumption |
20Watt (max) |
| Remote Controller |
IR Remote, AAA Battery |
| Packaging |
Dimension |
500mmx 440mm x 210mm (L/W/H) |
| Gross Weight |
7KGS |
| Net Weight |
1.75KGS |
| Standard Accessories |
Remote Controller, Wall Bracket, Desk Bracket, Red/Green Glasses, Optotypes Card, Power Cable, AC-DC Adapter |
