LM-1800P and LM-1800PD Operators Manual Nov 2011

Original instructions

NIDEK CO., LTD. (Manufacturer) NIDEK CO., LTD (Tokyo Office)

NIDEK INCORPORATED (United States Agent) NIDEK S.A. (EU Authorized Representative)

: 34-14, Maehama, Hiroishi-cho, Gamagori, Aichi 443-0038, Japan Telephone: +81-533-67-6611 Facsimile: +81-533-67-6610 : 3F Sumitomo Fudosan Hongo Bldg., 3-22-5, Hongo, Bunkyo-Ku, Tokyo 113-0033, Japan Telephone: +81-3-5844-2641 Facsimile: +81-3-5844-2642 : 47651 Westinghouse Drive, Fremont, California 94539, U. S. A. Telephone: +1-510-226-5700 Facsimile: +1-510-226-5750 : Europarc 13, rue Auguste Perret, 94042 Créteil, France Telephone: +33-1-49 80 97 97 Facsimile: +33-1-49 80 32 08

November 2011 31019-P902B Printed in Japan

Use this device properly and safely.

BEFORE USE, READ THIS MANUAL.

This operator’s manual includes operating procedures, safety precautions, and specification for the NIDEK AUTO LENSMETER, LM-1800P/LM-1800PD. Cautions for safety and operating procedures must be thoroughly understood before using this device. Keep this manual handy for reference. The device complies with ISO 8598:1996/C1:1998 (Optics and optical instruments Focimeters). There are no parts within the device that require servicing by the user other than printer paper. This manual is described mainly using the screen samples of the LM-1800P. If you encounter any problems or have questions about the device, please contact NIDEK or your authorized distributor.

CAUTION! Federal law restricts this device to sale by or on the order of a physician or other licensed eye care practitioner.

Safety precautions In this manual, a signal word is used to designate the degree or level of safety alerting. The definition is as follows:

CAUTION • Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or property damage accident.

Even situations indicated by “ CAUTION” may result in serious injury under certain conditions. Safety precautions must be strictly followed at all times.

I



Use precautions

Before use CAUTION • Never use the device for other than its intended purpose.

NIDEK will not assume responsibility for accidents or malfunction caused by misuse.

• Never modify or touch the internal structure of the device. Electric shock or malfunction may result. • Install the device in an environment that meets the conditions listed below. The following conditions must be maintained during use. Ambient temperature: 10 to 35ºC (50to 95ºF) Humidity: 30 to 85% (Non-condensing) Atmospheric pressure: 800 to 1060 hPa Minimal dust in the air Protection from extraneous light sources Level and stable surface free from vibration and bumping • Install the device in an environment where no contaminant such as corrosive gas, acid, or salt is contained in the air. Corrosion or malfunction of the device may result. • Avoid installing the device where it is exposed to direct air flow from an air conditioner. Changes in temperature may result in condensation inside the device or adversely affect measurements. • Avoid installing the device where it is exposed to direct sunlight or near an incandescent lighting. A light-reflecting surface such as a glass showcase or a shiny table is not appropriate for precise work either. Installing the device in such a place may cause the device to malfunction or issue error messages. • Be sure to use a power outlet which meets the specified power requirements. If the supplied voltage is too high or low, the device may not perform up to specifications, and malfunction or fire may result. • Be sure to use a grounded power outlet. Electric shock or fire may result in the event of malfunction or power leakage. • Insert the power plug fully into the power outlet. Imperfect connection may result in fire • Never use power strips or extension cables for the power supply of the device. Overloading the electric outlet may cause overheating and fire. • Do not use any power cord other than the one provided. Do not use the provided cord for any other instrument. Malfunction or fire may result.

II

CAUTION • Install the device where the outlet that the power plug is inserted into is easily accessible during use. In addition, ensure that the power plug can be disconnected without the use of a tool. Otherwise, it may interfere with disconnection the device from the input power source in case of abnormality. • Never crush or pinch the power cord with heavy objects. Damage may result in electric shock or fire. • Before connecting any cable to the device, be sure to turn off power to the device and unplug the power cord. Malfunction may result. • Before carrying the device to another location, use dedicated packaging materials to protect the device from impact of dropping. Excessive vibration or impact to the device may cause malfunction. • This device has been tested and found to comply with the limits for medical devices to the IEC 60601-1-2: 2007. These limits are designed to provide reasonable protection against harmful interference in a standard medical installation. This device generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to other devices in the vicinity. However, there is no guarantee that interference will not occur in a particular installation. If this device does cause harmful interference to other devices, which can be determined by turning the device off and on, the user is encouraged to try to correct the interference by one or more of the following measures: - Reorient or relocate the receiving device. - Increase the separation between the device and other devices. - Connect the device to an outlet on a circuit different from that to which the other device(s) are connected. - Consult the manufacturer or field service technician for help. • The International Electromagnetic Commission sets the essential requirements for electrical and electronic equipment that may disturb, or be disturbed by, other equipment. The LM-1800P/LM-1800PD complies with these requirements as shown in the tables in 6 EMC (ELECTROMAGNETIC COMPATIBILITY) (page 151). Follow the guidance in the tables for use of the device in an electromagnetic environment.

III



During use CAUTION • Immediately replace the power cord if the internal wires are exposed, the power turns on or off when the power cord is moved, or the cord or plug is too hot.

Failure to do so may result in electric shock or fire. Immediately remove the plug from the power outlet and contact NIDEK or your authorized distributor for replacement. • There may be a few “constantly-lit”, “missing”, or “dead” pixels in your LCD monitor which are a characteristic of the LCD monitor manufacturing process. This does not represent a failure of the LCD monitor, and the monitor can be used with no problem. • During UV transmittance measurement, ultraviolet rays are emitted from the

[During UV transmittance measurement]

aperture. • During installation and operation of the device, observe the following instructions about EMC (electromagnetic compatibility): - Do not use the device simultaneously with other electronic equipment to avoid electromagnetic interference with the operation of the device.

LED aperture

- Do not use the device near, on, or under other electronic equipment to avoid electromagnetic interference with the operation of the device. - Do not use the device in the same room as other electronic equipment such as lifesupport equipment, equipment that has major effects on the life of the patient and results of treatment, or any other measurement or treatment equipment that involves small electric current. - Do not use the device with portable and mobile radio frequency communication devices because that may have an adverse effect on operation of the device. - Do not use cables or accessories that are not specified for the device because that may increase the emission of electromagnetic waves from the device and decrease the immunity of the device to electromagnetic disturbance.

IV

After Use CAUTION • While the device is not in use, turn it off. • The device uses a heat-sensitive printer paper. To keep the printed data for a long period of time, make copies of the printouts. The paper degrades over time and the printed data may become illegible. • Always hold the power plug, not the cord, when removing it from the power outlet. The metal core of the cord may be damaged and electric shock, malfunction, or fire may result. • Occasionally clean the prongs of the power plug with a dry cloth. If dust settles between the prongs, the dust could collect moisture, and short circuit or fire may occur. • If the device will not be used for an extended period of time, disconnect the power cord from the power outlet. Failure to do so may leave the device vulnerable to electric disturbances which may result in fire.

Maintenance CAUTION • Only service personnel trained by NIDEK are allowed to repair and service the device.

NIDEK assumes no responsibility for any adverse events resulting from improper servicing.

• When performing maintenance work, secure a sufficient maintenance space. Maintenance work in an insufficient space may result in injury. • Take special care not to scratch the protective glass under the nosepiece. Flaws on the glass substantially lower the reliability of measurement. • Clean the protective glass under the nosepiece every once in a while with a blower. If dust settles on the protective glass, it may affect the measurement accuracy.

Disposal CAUTION • Follow local governing ordinances and recycling plans regarding disposal or recycling of system components.

It is recommended to entrust the disposal to a designated industrial waste disposal contractor. Inappropriate disposal may contaminate the environment. • When disposing of packing materials, sort them by material and follow local governing ordinances and recycling plans. Inappropriate disposal may contaminate the environment.

V



VI

Table of Contents 1. BEFORE USE... 1 1.1 Device Outline...1 1.2 Intended Use...2 1.3 Device Configuration...2 1.4 Screen Configuration...6 1.4.1 1.4.2 1.4.3 1.4.4 1.4.5 1.4.6

Measurement screen...6 UV transmittance screen...14 Prism layout measurement screen...16 Refractive index measurement screen...19 Parameter screen...20 Comments screen...22

1.5 Labels and Symbols...23 1.6 Packed Contents...24 1.7 System Setup...25 1.7.1 1.7.2

Connecting cables and starting the device...25 Setting date and time...28

2. OPERATING PROCEDURE... 29 2.1 Operation Flow...29 2.2 Preparation for Measurement...30 2.3 Setting Lenses...33 2.3.1 2.3.2 2.3.3

Setting uncut lenses...33 Setting mounted lenses...34 Lens setting for PD measurement (LM-1800PD only)...35

2.4 Measuring Single Vision Lenses...37 2.5 Measuring Bifocal Lenses...41 2.5.1 2.5.2

Measuring add power with normal accuracy...41 Measuring add power more accurately...44

2.6 Measuring Progressive Power Lenses...47 2.6.1 2.6.2 2.6.3 2.6.4 2.6.5

Measuring uncut lenses...47 Measuring mounted lenses...47 Measuring the progressive length (LM-1800PD only)...57 Measuring the channel width (LM-1800PD only)...58 Progressive power lenses for small vertical frame...62

2.7 Measuring Prism Lenses...65 2.8 Measuring Contact Lenses...67 2.9 Various measurements...70 2.9.1

Measuring UV transmittance...70

VII

:

2.9.2 2.9.3 2.9.4

Measuring the net prism (lens layout)... 74 Measuring the net prism (eye point level)... 76 Measuring refractive index (optional)... 78

2.10 Marking... 83 2.10.1 Marking at the optical center... 83 2.10.2 Marking for prism prescription (Prism Layout)... 85 2.10.3 Marking for prism prescription (Measurement screen)... 92

2.11 Printing... 94 2.11.1 Connecting to the AR, ARK or RKT and setting parameters... 96

2.12 Data Save to the Eye Care Card... 98 2.12.1 Writing of data to the Eye Care card... 98 2.12.2 Erasing Data on the Eye Care card... 100

2.13 Distortion check... 101 2.13.1 Using the distortion check function... 102

2.14 After Use... 103 2.15 Setting Parameters... 104 2.15.1 Parameter tables... 106 2.15.2 Entering comments... 119

3. OPERATION WHEN PERIPHERAL DEVICES ARE CONECTED... 121 3.1 Connecting to the NIDEK Motorized Refractor (RT) or Computer... 121 3.1.1 3.1.2 3.1.3

Outline... 121 Connecting procedure... 122 Operating procedure... 123

3.2 Connection to LAN communication... 124 3.3 Connecting the Foot Switch... 125 3.4 Reading Patient ID... 126 3.4.1 3.4.2 3.4.3

Connecting procedure of barcode scanner/magnetic card reader... 126 Operation with barcode scanner... 127 Operation with magnetic card reader... 129

4. MAINTENANCE... 131 4.1 Troubleshooting... 131 4.2 Error Messages and Countermeasures... 132 4.3 Adjusting the Touch Panel... 135 4.4 Replacing Printer Paper... 136 4.5 Ink Refilling... 138 4.5.1

VIII

Ink cartridge type... 138

:

4.5.2

Ink pad type... 139

4.6 Cleaning the Protective Glass... 140 4.7 Adjusting the Lens Table... 141 4.8 Cleaning... 142 4.8.1 4.8.2 4.8.3 4.8.4

Cleaning the device exterior... 142 Cleaning the lens... 142 Cleaning the printer... 143 Cleaning the Eye Care card slot... 143

4.9 List of Replacement Parts... 144

5. SPECIFICATIONS AND ACCESSORIES... 145 5.1 Classifications... 145 5.2 Specifications... 146 5.3 Accessories... 149 5.3.1 5.3.2

Standard accessories... 149 Optional accessories... 149

6. EMC (ELECTROMAGNETIC COMPATIBILITY)... 151 7. INDEX... 155

IX

:

X

1. BEFORE USE 1.1

Device Outline

1

The NIDEK AUTO LENSMETER LM-1800P/LM-1800PD measures the optical performance of spectacle lenses such as single vision, bifocal (trifocal), and progressive power lenses or contact lenses. This device has a measuring unit and a display unit in front, and a printer unit on the right side. The measuring unit is comprised of a nosepiece, lens table, lens holder, and lens marker. Below the nosepiece, there is a read button for reading measured data. LM-1800P

Equipped with the printer

LM-1800PD

Equipped with the printer and PD measurement function

The display unit employs a sharp TFT color LCD, displaying touch panel buttons, measured data, alignment condition of a lens, and settings of the device. The device also offers the following features as well as the above: • Equipped with an Eye Care card writer that enables transfer of measured data to other devices with no cables. • Equipped with a quiet, high-speed, and high-quality line printer that automatically cuts printouts. • Utilizes a marker suitable for water-repellent or super water-repellent lenses. • Connectable to a personal computer via USB and LAN interfaces in addition to the standard RS-232C communication protocol used by NIDEK optometry devices. • Performs area measurement for the refractive power of the lens at multiple points simultaneously. Makes measurement easier and more accurate by detecting changes in the refractive power of a progressive power lens. Changes measurement mode automatically when a progressive power lens is detected.

• Measures the pupillary distance (PD) and lens diameter. (LM-1800PD only) • Measures the progressive length and channel width of progressive power lenses. (LM1800PD only) • Measures the ultraviolet transmittance (UV-A, center wavelength of 365 nm). • Measures the convex surface add power. • Automatic functions such as auto read, auto R/L selection, and auto add measurement provide for easier and quicker measurement. • Auto R/L selection and auto print functions are available for contact lenses. • Indication position of R/L data on printouts can be changed. • Software for easy measurement of the refractive index is available as option.

1

BEFORE USEIntended Use

1.2

Intended Use This device is designed to measure vertex powers and prismatic effects of spectacle and contact lenses, to orientate and mark uncut lenses, and to verify the correct mounting of lenses in spectacle frames.

1.3

Device Configuration

1

6

2 7

8 3 9 4

5

10

1. Touch panel display 640 × 480 dots color liquid crystal display. The display angle can be changed by 30 degrees or less. Adjust it to the desired angle.

2. Eye Care card slot Used to save measured data. Never remove the Eye Care card while it is being accessed. When the Eye Care card is inserted while the measured data is saved in the memory of the LM-1800P/LM1800PD, the data is automatically written to the card.

2

BEFORE USEDevice Configuration

3. Lens holder lever Used to operate the lens holder. To secure a lens

Lift once and lower gently.

To release a lens

Lift until it clicks.

1

4. Nosepiece A lens to be measured is placed on the nosepiece. This is the base point for measurements. When measuring contact lenses, replace the standard nosepiece with the provided one for contact lenses. Before measurement, make sure that the lens contact part has no foreign matters or scratches.

5. Read button Used to read measured data. This button locks in the measurement data on the screen to be saved in the memory. When a measurement error occurs, the read button becomes disabled. Extended pressing of the button for about 1 second starts the UV transmittance measurement.

6. Pilot lamp Indicates On or Off of the power to the device. On

Power turned on

Off

Power turned off

Fast blinking Blinking

Extended pressing of a button enabled Display auto off mode

•Display auto off mode When the device is idle for the time set with the Auto off parameter, the display auto off function works and then the display turns off automatically. The measurement light source also turns off. To recover from auto off mode, press any button. During lens measurement, the device will not be placed into display auto off mode.

7. Marking lever Used to mark a lens by pushing the lever down.

8. Lens table Touched to the bottom of the lens frames. To display an uncut lens diameter, place the lens so that its edge comes into contact with the lens table.

9. Lens table lever Moves the lens table forward and backward. To move the lens table forward => Pull the lens table lever forward. To move the lens table backward => Push the lens table lever backward.

10. Printer cover Opened by sliding the lever at the rear of the device to replace the printer paper.

3

BEFORE USEDevice Configuration

LM-1800PD

18

11

13

14

15

16

17

12

11. Printer cover lever Used to unlock the printer cover when replacing the printer paper.

12. Power switch Used to turn on or off power to the device.

13. Interface port *1 Used for communication. RS-232C interface port which connects to the AR, ARK, RT-2100/RT-5100, Eye Care card system, or a computer. When the device is connected to the AR-600/330A series, ARK-700/530A series, or RKT-7700/TONOREF II, the data measured with the LM-1800P/LM-1800PD can be printed with the connected device. To connect the optional foot switch, also use this port. To connect a computer, communication software needs to be installed in the computer.

Connectable devices: AR-600/AR-330A series, ARK-700/ARK-530A series RKT-7700/TONOREF II RT-2100 series, RT-5100 series Eye Care card system

*1.

4

Accessory equipment connected to the analog and digital interfaces must be certified according to the representative appropriate national standards (for example, UL 1950 for Data Processing Equipment, UL 60601-1 for Medical Equipment, and CSA C22.2 No. 601-1, EN 60601-1, and IEC 60601-1.) Furthermore, all configurations shall comply with the system standard IEC 60601-1-1. Anyone who connects additional equipment to the signal input part or signal output part configures a medical system, and is therefore responsible that the system complies with the requirements of the system standard IEC 60601-1-1. If in doubt, consult the technical service department or your local representative.

BEFORE USEDevice Configuration

14. LAN cable port*1 Used for Ethernet LAN.

15. Power inlet

1

Used to connect a removal power cord.

16. USB port A (host)*1 Port for a USB flash drive, barcode scanner, or magnetic card reader.

17. USB port B (device)*1 USB port for transferring the measured data to a computer. The port complies to USB 2.0. Connect to a computer using the optional USB cable. The USB driver needs to be installed in the computer. The communication software needs to be installed in the computer.

18. Nose slider (LM-1800PD only) Used to measure the PD of mounted lenses. Place the frames so that their nosepads straddle the nose slider. The nose slider position determines the right of the left lens. The PD is measured from the nose slider position when the measured data is read. When the state is changed from R/L to single pressing

Nose slider

by

, moving slightly the nose slider returns the

state to R/L and displays the PD. The nose slider functions when the lens table is positioned within 50 mm from the nosepiece center. When the nosepiece center is separated from the lens table by more than 50 mm, the slider automatically turns off. When the slider is not in use, move it to the far left and lift it upright so that is does not obstruct measurement.

• The illustration of the lens in the screen display is as viewed from the front side in the right figure. • Viewed from the front the lenses are mirrored so that the (R) lens is displayed on the left and the (L) lens is on the right.

Rear

Right side (R)

Front Left side (L)

*1.

Accessory equipment connected to the analog and digital interfaces must be certified according to the representative appropriate national standards (for example, UL 1950 for Data Processing Equipment, UL 60601-1 for Medical Equipment, and CSA C22.2 No. 601-1, EN 60601-1, and IEC 60601-1.) Furthermore, all configurations shall comply with the system standard IEC 60601-1-1. Anyone who connects additional equipment to the signal input part or signal output part configures a medical system, and is therefore responsible that the system complies with the requirements of the system standard IEC 60601-1-1. If in doubt, consult the technical service department or your local representative.

5

BEFORE USEScreen Configuration

1.4

Screen Configuration

1.4.1

Measurement screen „ There are four measurement screens, Auto measurement screen, Normal measurement screen, Progressive power lens (PPL) measurement screen, and Contact lens (CL) measurement screen. The screen below shows the normal measurement screen to measure single vision lenses or bifocal (trifocal) lenses.

1

2

3

4

5

6

7

8

9 10

11

12

13

12

14

1. Parameter button Extended pressing of the button for about 1 second switches to the parameter setting screen.

2. Abbe number button Extended pressing of the button for about 1 second changes the Abbe number of the lens material in the order of A, B, and C previously set within 20 to 60. The number of each A, B, and C is changed on the parameter screen. After the numbers are changed, data is cleared.

3. Step button Changes the increment for measured data among steps of 0.01, 0.06, 0.12, 0.25. Pressing this button changes the increment normally. Extended pressing of the button for about 1 second returns to the increment set with the parameter.

6

BEFORE USEScreen Configuration

4. CYL +/- value switching button Changes the cylinder reading setting between positive (+) and negative (-). Pressing this button again returns to the setting set with the parameter. Pressing any button other than

,

,

, or

also returns to the sign set with the

1

parameter. (light blue)

Indicates that data is displayed in the cylinder reading set with the Cylinder parameter.

(orange)

Indicates that the sphere, cylinder, and axis values are displayed with the cylinder reading sign inverted from the parameter setting.

When the Prism parameter is set to “P-B” or “BU/D BI/O”, this button is used to change the prism display setting. Extended pressing of this button for about one or more changes the prism display. The icon of the opposite setting is displayed while the button is pressed and held. The prism display is changed after the button is released. When the Prism parameter is set to “P-B” Prism prescriptions are displayed in polar coordinates with the Prism parameter set to “P-B“. Prism prescriptions are displayed in rectangular coordinates with the Prism parameter set to “P-B“.

(inverted)

When the Prism parameter is set to “BU/D BI/O” Prism prescriptions are displayed in rectangular coordinates with the Prism parameter set to “BU/D BI/O“. Prism prescriptions are displayed in polar coordinates with the Prism parameter set to “BU/D BI/O“.

(inverted)

5. Auto read button To change the setting temporarily, press this button. Extended pressing of the button for about 1 second returns to the setting set with the parameter. Setting state of auto read In the single state, the contents set by the Auto read S parameter are displayed. In the R/

Auto read

L state, the contents set by the Auto read R/L parameter are displayed. None:

,[

]:

,[

]:

In PD measurement with LM-1800PD, this parameter is automatically set to

.

• Auto read When the target is aligned, as well as when the read button is pressed, measured data is automatically saved in the memory and locked on the screen.

6. Reference wavelength button Extended pressing of the button for about 1 second toggles the reference wavelength between eline

and d-line

.

After the numbers are changed, data is cleared.

7

BEFORE USEScreen Configuration

7. Eye Care card button Indicates the Eye Care card state. Extended pressing of this button for about 1 second clears the data on the card. (White): The Eye Care card is not inserted. (Black): The Eye Care card is inserted.

Eye Care card (Green): The Eye Care card is being accessed. Never touch the card. (Red): An error occurs while the Eye Care card is being accessed.

8. Target Indicates the optical center of a lens to be measured. The target shape changes according to the Target parameter setting and alignment level. Prism target

Normal target

Details of the target Misaligned Placed within approximately 0.5'. Measured data can be read.

(cross)

When auto read (

) is set, the measured data is locked in.

Aligned (marking point) (large cross)

When auto read (

) is set, the measured data is locked in.

When auto read ( ) is set, the measured data is automatically read again and locked in.

When the normal target set with auto read function changes to

(cross) or

(large cross), the current

axis is displayed to the upper right of the target.

9. Alignment circle The target is displayed on this circle. The center indicates the nosepiece center position.

10. Axis bar The thick line displayed on the protractor of the alignment circle indicates the axis.

11. Clear button Erases the measured data that has been saved. The locked data is released and the R/L indication returns to the single state

.

When the Single state parameter is set to “Off”, the R/L indication returns to

.

12. R/L indication Specifies the right-eye, left-eye, or single state.

8

(white)

The measurement is not performed yet.

(green)

(Single) The lens side is not selected. The measurement is being performed.