V04.07.00 March 2018 Contents Introduction ____________________________________________________________________ 6 List of supplied elements __________________________________________________________ 7 1.1. 1.2. Presentation _____________________________________________________________________ 7 Technical features ________________________________________________________________ 9 1.3. VT1 range models _______________________________________________________________ 10 1.4. Serial number labels _____________________________________________________________ 11 1.5. Safety ________________________________________________________________________ 12 General _________________________________________________________________________ 13 2.1.
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Patient instructions ______________________________________________________________________ 56 5.4.5. Expected responses ______________________________________________________________________ 56 5.4.6. Perception example______________________________________________________________________ 56 Depth perception test ____________________________________________________________ 58 5.5. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 3 / 78...
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6.1.2. Replace forehead rest ____________________________________________________________________ 72 Clean the housing _______________________________________________________________ 72 6.2. 6.3. Clean the lenses _________________________________________________________________ 72 This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 4 / 78...
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VT1 light does not come on _______________________________________________________ 75 7.6. Glare and motor drive seem weak _________________________________________________ 75 Declaration of Conformity ________________________________________________________ 76 This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 5 / 78...
V04.07.00 March 2018 1. Introduction This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 6 / 78...
The VT1 is a screening device designed by DEPISTEO for the exploration of visual function. The VT1 currently operates with two driving modes, depending on the model (refer § 1.4): ...
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Performing tests in low photopic light for photo -sensitive patients Parametering test sequences to customi ze tests Performing far, near and intermediate vision tests This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 8 / 78...
Time to pass from one slide to another: 1sec Average test time Routine test: 3 mins In-depth test: 5 mins This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 9 / 78...
Low Photopic Mesopic (dusk vision) Operating Mode Computerized Remote controlled This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 10 / 78...
The device should not be discarded with general household waste. Return it to the manufacturer for disposal Consult the accompanying documents Serial number Manufacturer identification This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 11 / 78...
V04.07.00 March 2018 2. Safety This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 12 / 78...
The device should be positioned so as to leave the power plug free, in case of emergency This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 13 / 78...
Particular care shall be taken to back up recorded data as often as possible, on a reliable support. DEPISTEO recommends daily back up. As a reminder to operators, the VT1 software is delivered with a license contract stating the software conditions of use.
The VT1 is a screening device for visual problems. Only an ophthalmologist is qualified to confirm VT1 results, in conjunction with other tests, to prescribe correction or surgical intervention This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 15 / 78...
V04.07.00 March 2018 3. Equipment and Installation This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 16 / 78...
The VT1 base is ballasted to ensure stability of the instrument however the body is inclined. The elastomer gum coating prevents the VT1 slipping, and avoids scratching the table surface. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 17 / 78...
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A number of small holes are visible around the lenses. These light guides are for the visual peripheral field test. Nose position Back – Connection support RS232 connector lead or remote control USB lead Power supply This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 18 / 78...
Caution, for computerized versions: Do not connect the VT1 to the computer before the software is installed (refer § 3.2). This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 19 / 78...
CD jacket 5. User information 6. Enter software installation destination 7. Enter database destination 8. Validate Finish This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 20 / 78...
This appears in the Ports section (COM and LPT) under the name Silicon laboratories CPS10x USB to UART Controller. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 21 / 78...
Backup enables recovery of all the elements required for Visiolite® function. Elements backed up: Data base Configuration files Sequences Instructions Scoring Executable files This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 22 / 78...
Executable files (except executable Visiolite itself). To perform a restore, go to the Options menu then Backup/restore. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 23 / 78...
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Click on the Restore tab. Choose backup mode: Then a directory Then a CD/DVD Click on Restore. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 24 / 78...
V04.07.00 March 2018 4. Use This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 25 / 78...
Use the tool bar to run the other software functions. New file Positioning Open Permanent lighting Record Run a sequence Identification List of sequences Print This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 26 / 78...
The VT1 can be driven from the main screen. Use the command keys to choose a test and input patient response. Command Keys This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 27 / 78...
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As soon as the command key is pressed, the device positions itself on the corresponding test and the window appears, to input patient responses. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 28 / 78...
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High Ph. – daylight Check boxes Low Ph. – low daylight Mesopic Ph. – dusk light Operator instruction Patient response This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 29 / 78...
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The program activates the stimuli from the outside to the inside of the field, until the limits are defined. When the patient responds correctly, click “Validate” or press on the space bar. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 30 / 78...
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4.2.2.6. Settings For all tests, lighting and optical mode can be adjusted by clicking on the following keys: This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 31 / 78...
Choose the first test to appear when the software is run. If necessary, change the data base path. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 32 / 78...
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The left-hand column named “Slide” contains a list of tests the VT1 can perform. Use the three center lists to set all the parameters for each test. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 33 / 78...
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Then click on the Active box. Click on the … button to choose the Scoring. Use this window to create or edit Scoring. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 34 / 78...
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PDF (Adobe® format) GDT (Specific format) CSV (Export compatible with Excel) Only PDF and GDT exports require configuration. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 35 / 78...
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Name of the file (define the file name: possibility of using global variables such as: o [First name ] o [Last name ] o [Date] o [Time] o [ID] This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 36 / 78...
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The name of the imported GDT file Note: Do not begin to configure an export if you are not sure of the format used. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 37 / 78...
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First name, last name Occupation Address Post code, town Telephone number Fax number This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 38 / 78...
Click “Open”. The following screen appears: In the “Name” box, type the first letters of the patient’s surname. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 39 / 78...
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Use selective printing (File menu, Selective printing) to print tests according to the following criteria: No criteria Today Yesterday Week Month Manual selection This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 40 / 78...
One press on this key positions the VT1 on the near vision acuity chart. A light beside the key lights up to confirm your test choice. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 41 / 78...
As this is a screening test, the results cannot in any case be used for medical treatment, pre-or post- surgical diagnosis, or for any sort of prescription. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 42 / 78...
VT1. The VT1 is ready for operation after a few seconds of initialization. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 43 / 78...
Use MANUAL mode to scroll through all the tests proposed. However, no patient profile would justify a test as complete as this. It is thus preferable to use programmed tests. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 44 / 78...
If a copy is given to the patient or a third party, photocopy the original. The form is composed of three parts: Patient identification This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 45 / 78...
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The response form gives the operator the expected response, but also the possibility to adapt the questions to ask the patient, depending on the type of test. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 46 / 78...
V04.07.00 March 2018 5. Tests Description This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 47 / 78...
20/25 E T P K N F 20/22 K H C P F L 20/20 Binocular acuity letters This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 48 / 78...
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20/50 20/50 20/40 20/40 20/35 20/35 20/30 20/30 20/25 20/25 20/15 20/22 20/10 20/20 Binocular acuity Landolt rings This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 49 / 78...
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V04.07.00 March 2018 20/100 20/85 20/70 20/50 20/40 20/35 20/30 20/25 20/22 20/20 Monocular acuity Landolt rings This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 50 / 78...
Exophoria With this test, the VT1 can completely dissociate the two eyes, indirectly performing a well-known test, the This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 51 / 78...
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When the dot does not move, simply click on the area where it is seen in the grid. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 52 / 78...
In zone left to H, the ocular axes have a tendency to diverge horizontally (exophoria) In zone right to H, the ocular axes have a tendency to diverge horizontally (esophoria) This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 53 / 78...
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Caution: This test cannot be interpreted if there is an important difference between the two eyes. Also, ensure the patient does not close an eye during the test. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 54 / 78...
Contrast sensitivity (%) 5.3.2. Patient instructions “From the first line, read all the letters”. Check the response This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 55 / 78...
Lastly, this device only screens “regular” astigmatisms. Other, “irregular” astigmatisms, notably on corneal scars, are screened by ophthalmologists. 5.4.6. Perception example This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 56 / 78...
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V04.07.00 March 2018 Branch seen more clearly This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 57 / 78...
“Certain shapes seem to be behind or in front of the others; give the answer for groups 1 to 6”. Note responses on the response form. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 58 / 78...
5 points perceived indicates diplopia: the brain is unable to correctly superimpose the two images coming from each eye Normal perception This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 59 / 78...
An area in which the lines disappear is associated with macular scotoma (blind spot) 5.7.6. Perception examples This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 60 / 78...
This test should be interpreted with caution in patients over 40 years of age, for who color vision can be altered normally. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 62 / 78...
Click on the stimulus to test. Click the «detected» or «not detected» button depending on whether the patient detects the stimulus or not. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 63 / 78...
Note the response on the response form. Caution: if the patient wears glasses, the frames may alter the visual field. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 64 / 78...
In the lateral visual field, the patient’s glasses frames may be a hindrance. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 65 / 78...
Different angles of positioning of objects to identify This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 66 / 78...
Operator and patient instructions “Name each element that you see in the scene”. Click on the objects seen This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 67 / 78...
Instructions are given by the software over the course of the test. Series of screens displayed by the VT1: Patient adaptation in mesopic light over ten seconds. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 68 / 78...
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The operator notes the best acuity. Note: Do not continue longer than two minutes. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 69 / 78...
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V04.07.00 March 2018 Display of results. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 70 / 78...
V04.07.00 March 2018 6. Cleaning and Maintenance This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 71 / 78...
Press on it. Clips located at the bottom. 6.2. Clean the housing The VT1 housing can be cleaned with a damp cloth and a bactericide solution. DEPISTEO recommends the use of Bactinyl 6.3. Clean the lenses To avoid scratches, the external surface of the lenses should be regularly cleaned with a soft wipe used for glasses.
During annual servicing, a certain number of preventive operations are performed; breakdowns following annual service are not covered by the warranty. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 73 / 78...
V04.07.00 March 2018 7. What To Do If? This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 74 / 78...
Check the patient’s forehead position on the forehead rest. 7.6. Glare and motor drive seem weak Check you are using the recommended power plug. This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 75 / 78...
V04.07.00 March 2018 8. Declaration of Conformity This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 76 / 78...
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V04.07.00 March 2018 This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 77 / 78...
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Tel: +33 04 72 34 89 89 - Fax: +33 04 72 33 43 51 Email: exportsales@fim-medical.com / www.fim-medical.com This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 78 / 78...
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