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V04.07.00
March 2018
DEPISTEO VT1
USER MANUAL
VT1 Master GT Edition
VT1 Master Edition
VT1 Essential Edition

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Summary of Contents for DEPISTEO VT1 Series

  • Page 1 V04.07.00 March 2018 DEPISTEO VT1 USER MANUAL VT1 Master GT Edition VT1 Master Edition VT1 Essential Edition...
  • Page 2: Table Of Contents

    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.
  • Page 3 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...
  • Page 4 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...
  • Page 5 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...
  • Page 6: Introduction

    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...
  • Page 7: List Of Supplied Elements

    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): ...
  • Page 8 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...
  • Page 9: Technical Features

    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...
  • Page 10: Vt1 Range Models

      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...
  • Page 11: Serial Number Labels

    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...
  • Page 12: Safety

    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...
  • Page 13: General

     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...
  • Page 14: Operator

    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.
  • Page 15: Precautions Before Tests

    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...
  • Page 16: Equipment And Installation

    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...
  • Page 17: Installation Procedure

    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...
  • Page 18 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...
  • Page 19: Connection

    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...
  • Page 20: Operating Systems

    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...
  • Page 21: Pc Connection

    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...
  • Page 22: Test Before Use

    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...
  • Page 23: Restore

     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...
  • Page 24 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...
  • Page 25: Use

    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...
  • Page 26: Raise/Lower Vt1 Body

    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...
  • Page 27: Manual Mode

    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...
  • Page 28 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...
  • Page 29 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...
  • Page 30 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...
  • Page 31 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...
  • Page 32: Automatic Mode

     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...
  • Page 33 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...
  • Page 34 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...
  • Page 35 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...
  • Page 36 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...
  • Page 37 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...
  • Page 38 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...
  • Page 39: Data Base

     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...
  • Page 40 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...
  • Page 41: Essential Remote Control Use

    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...
  • Page 42: Binocular And Monocular Mode

    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...
  • Page 43: Master Edition Lcd Remote Control Use

    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...
  • Page 44: Keys

    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...
  • Page 45: Choose A Mode

    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...
  • Page 46 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...
  • Page 47: Tests Description

    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...
  • Page 48: Visual Acuity Test

    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...
  • Page 49 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...
  • Page 50 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...
  • Page 51: Children Phorias Test

    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...
  • Page 52 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...
  • Page 53: Adult Phorias Test

    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...
  • Page 54 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...
  • Page 55: Contrast Sensitivity Test

    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...
  • Page 56: Astigmatism Test

    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...
  • Page 57 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...
  • Page 58: Depth Perception Test

    “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...
  • Page 59: Fusion Test

    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...
  • Page 60: Age-Related Macular Degeneration (Armd) / Amsler Grid

     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...
  • Page 61: Color Perception Test

    Important note This document is the property of DEPISTEO. Its contents cannot be reproduced or divulged without the company's approval Page 61 / 78...
  • Page 62: Patient Instructions

    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...
  • Page 63: External And Central Visual Field Test

    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...
  • Page 64: Central Visual Field

     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...
  • Page 65: Significance Of Stimuli In The Test Window

    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...
  • Page 66: Glare Sensitivity Test (Master Gt Version)

    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...
  • Page 67: Principle

    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...
  • Page 68: Glare Resistance Test (Master Gt Version)

    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...
  • Page 69 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...
  • Page 70 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...
  • Page 71: Cleaning And Maintenance

    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...
  • Page 72: Removable Forehead Rest Cleaning

     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.
  • Page 73: Annual Service

    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...
  • Page 74: What To Do If

    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...
  • Page 75: No Noise When Switched On

     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...
  • Page 76: Declaration Of Conformity

    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...
  • Page 77 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...
  • Page 78 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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