1 04/18/06 Titmusi400 Vision Screener User Training

2 04/18/06 Overview Introduction Step 1 - Unpacking the vision screener Step 2 - Review Features Step 3 - Testing Far / Near vision testing Patient Seating Height Adjustment Step 4 - Care and Maintenance

3 04/18/06 Titmusi400 Vision Screener Introduction

4 04/18/06 The TITMUSi400 Vision Screener ONE instrument with a variety of screening tests Device with controlled test distance for FAR / NEAR vision, hence precision and accuracy Simple to learn and user-friendly Can complete a comprehensive tests in 5-10 minutes Many more tests and better control as compared to a wall chart

5 04/18/06 TITMUSi400 Features Ergonomics – proper position while testing Membrane panel for ease of testing Built-in Portability New Fluorescent Light Source – long life Electronic sensing of correct head position Foam Headrest – no more head rest tissues (paper) Many advantages over the earlier Models (OV7, TII, T2)

6 04/18/06 Titmusi400 Vision Screener Step 1: Unpacking

7 04/18/06 Unpacking If received in case, remove instrument from case using handle Unlock the handle (use BOTH hands)

8 04/18/06 Unpacking Unlock bottom lock using one hand to pull tab and other hand to raise instrument Lift and remove membrane panel. Not tabs to mount back

9 04/18/06 Unpacking Remove internal packing foam Turn knobs so that white dot matches purple dot (USE BOTH HANDS TO TURN KNOBS)

10 04/18/06 Titmusi400 Vision Screener Step 2: Review Features

11 04/18/06 TITMUSi400 – External Features Handle for transport Top Cover to access slides Slot for plus lens Lever for Far/near lens Foam Headrest Electronic head sensor Lens for Far/Near Handle unlock Knob to raise/lower instrument Instrument unlock Side pocket

12 04/18/06 TITMUSi400 – External Features A.Membrane Panel B.Handle C.Fuse D.ON/OFF switch

13 04/18/06 TITMUSi400 – Membrane Panel A.Bulb condition indicator B.Peripheral vision screening C.Day/night illumination D.Test slide advance/reverse E.Slide position indicators F.Reset G.Head position indicator, sensor deactivate H.Left/Right eye occlusion (activate shutters) I.Test distance indicator (far/near/intermediate)

14 04/18/06 Titmusi400 Vision Screener Step 3: Testing

15 04/18/06 Operating Far/Near Lever Operator can sit on any side of instrument Pull to move far/near lever towards you, push away to move away from you FAR (mountain), NEAR (book)

16 04/18/06 Far Vision Testing Lever in FAR position Ensure drum assembly is in FAR position. White dot on knob should match purple dot

17 04/18/06 Near Vision, Natural Line of Sight Lever in NEAR position, test at optimal line of sight Turn BOTH knobs so the progressive lens wearer can see most clearly (natural line of sight – looking downwards)

18 04/18/06 Using intermediate lens Ensure lever is in FAR position Place intermediate lens with label facing the front DO NOT turn knob when int. lens is in the instrument

19 04/18/06 Patient Seating Ensure patient is comfortably seated – straight back, forehead placed on headrest INCORRECT position – back not straight, neck tilted backwards

20 04/18/06 Patient Seating Patient correctly seated will activate the head sensor When head sensor is activated, slides can be seen (clicking sound of the shutters opening) If a patient tends to move his/her head a lot, shutters will open/close. In this case, override the sensor

21 04/18/06 Height adjustment Instrument is designed for patient comfort in order to test efficiently and accurately Can fit children or adults, standing or seated To raise/lower the instrument – use BOTH hands on the knobs

22 04/18/06 Preparation for testing 1.Place instrument on table of sufficient height 2.Unlock handle, bottom lock and raise instrument 3.First connect panel to instrument as shown using panel cord. Then connect power cord to instrument and turn switch ON. 4.Test all membrane switches on membrane panel to ensure proper operation 5.Ensure lenses are clean, use cleaning towlettes or fog cloths

23 04/18/06 Preparation for testing 6.Place record forms near instrument 7.Avoid positioning the instrument near strong glaring light to prevent glare while testing 8.Ensure patient is comfortably seated 9.Raise the instrument for comfortable viewing, based on patient height 10.Ensure lever is in FAR position 11.Ensure drum assembly is in FAR position. White dot on knob should match purple dot.

24 04/18/06 Titmusi400 Vision Screener Step 4: Care and Maintenance

25 04/18/06 Care and Maintenance Clean viewing lenses as needed, use towlettes supplied in accessory case Clean headrest between tests using a disinfectant solution.

26 04/18/06 Care and Maintenance Exterior of instrument may be cleaned with a soft cloth dampened in mild solution of soap and water Test slides are in a completely enclosed module, hence cleaning is rarely required Use dust cover to protect instrument when not in use Slide illumination lamp has a life of over 10,000 hours. Membrane panel will indicate if it needs replaced.