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Related Manuals for Topcon Chronos
Summary of Contents for Topcon Chronos
- Page 1 INSTRUCTION MANUAL REFRACTION SYSTEM Chronos...
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Page 3: Introduction
Thank you for purchasing the TOPCON REFRACTION SYSTEM Chronos. INTENDED USE / INDICATIONS FOR USE The Chronos measures the spherical refractive power, cylindrical refractive power, and astig- matism axis direction of the eyeball. The curvature radius of the corneal surface is measured. - Page 4 TRADEMARKS Chronos is a trademark of TOPCON CORPORATION. Sight Pilot is a trademark of TOPCON CORPORATION. Microsoft Windows is a registered trademark or trademark of the U.S. Microsoft Corporation in U.S. and other countries. QR code is a registered trademark of DENSO WAVE Incorporated.
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Page 5: Table Of Contents
CONTENTS INTRODUCTION ......................... 1 DISPLAYS AND SYMBOLS FOR SAFE USE ..............4 GENERAL SAFETY INFORMATION ..................5 DISCLAIMERS ..........................7 POSITIONS OF WARNING AND CAUTION INDICATIONS .......... 8 STANDARD ACCESSORIES ......................9 MAINTENANCE ..........................10 DAILY CHECKUPS ........................10 SPECIFICATIONS & PERFORMANCE .................. -
Page 6: Displays And Symbols For Safe Use
DISPLAYS AND SYMBOLS FOR SAFE USE To encourage safe and proper use and to prevent danger to the operator and others or potential damage to properties, warnings and cautions are placed on the instrument body and inserted in the Instruction manual. -
Page 7: General Safety Information
GENERAL SAFETY INFORMATION WARNING Ensuring the Safety of Patients and Operators Be careful not to hit the patient's eyes or nose with the instrument during operation. [If the instrument hits the patient's eye or the patient's nose is caught by it, he/she may be injured.] Preventing Electric Shocks and Fire. - Page 8 CAUTION Ensuring the Safety of Patients and Operators When operating the instrument, make sure that the patient's finger or nose is not put between the mea- suring head and drive base unit and between the right and left measuring windows. [The patient's finger or nose may be caught by these units to injure the patient.] When installing this instrument on the adjustable instrument table, be careful to prevent your fingers from being caught by these units.
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Page 9: Disclaimers
Please consult the dealer from whom you purchased the instrument if you have any addi- tional questions. DISCLAIMERS • TOPCON shall not take any responsibility for damage due to fire, earthquakes, actions by third persons and other accidents, or damage due to negligence and misuse by the user and any use under unusual conditions. -
Page 10: Positions Of Warning And Caution Indications
To ensure safety, this machine provides warning displays. Use the instrument correctly by observing the display instructions. If any of the following display labels are missing, contact your TOPCON dealer at the address listed on the back cover. Label Meaning... -
Page 11: Standard Accessories
STANDARD ACCESSORIES Upon unpacking, make sure that all the following standard accessories are included. Figures in ( ) are the quantities. Printer paper (2) Blower (1) User Manual Nut tightening tool (1) Instruction Manual Setup Manual (1 each) Dust cover (1) STANDARD ACCESSORIES... -
Page 12: Maintenance
MAINTENANCE During the service/maintenance work, turn off the start switch of the power sup- NOTE ply unit and the power switch of the adjustable instrument table and do not use this instrument for the patient. DAILY CHECKUPS User maintenance items Item Inspection time Contents... -
Page 13: Specifications & Performance
SPECIFICATIONS & PERFORMANCE Objective measurement Spherical refractive power -25D – +22D(*1, 2) Refraction Cylindrical refractive power 0D – -10D(*1, 2)) measurement range Cylinder axial angle 1° – 180° Corneal curvature radius 5.00mm – 10.00mm Corneal refractive power 67.50D – 33.75D (Conversion value when the corneal Corneal curvature refractive ratio is 1.3375) measurement range... - Page 14 Right-and-left direction Inside -9mm to Outside +12.5mm Measuring head move- Up-and-down direction Down 15mm to Up 15mm ment Back-and-forth direction Forward: 20mm - Backward: 20mm Measuring head rotary Convergence 17.5° to Divergence 8.5° (Eyeball torsion axis center) angle (*1) The dioptric powers are indicated with reference wavelength λ =587.56 nm (*2) Spherical refractive power + Cylindrical refractive power ...
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Page 15: General Information On Usage And Maintenance
(4) Do not store the instrument where chemicals are stored or gas is generated. 3. Normal life span of the instrument: 8 years from delivery providing regular maintenance is performed [TOPCON data] GENERAL INFORMATION ON USAGE AND MAINTENANCE... -
Page 16: Environmental Conditions For Packaging In Storage
RENT. Degree of protection against harmful ingress of water: IPX0 The Chronos has no protection against ingress of water. (The degree of protection against harmful ingress of water defined in IEC 60529 is IPX0.) GENERAL INFORMATION ON USAGE AND MAINTENANCE... -
Page 17: Basic Operation Principle
The Chronos should be used in environments where no flammable anesthetics and/or flammable gases are present. Classification according to the mode of operation: Continuous operation. -
Page 18: Disposal
DISPOSAL When disposing of Chronos parts, follow the local regulations for disposal and recycling. This symbol is applicable for EU member countries only. To avoid potential damage to the environment and possibly human health, this instrument should be disposed of (i) for EU member coun-... -
Page 19: Patient's Environment
PATIENT’S ENVIRONMENT When the patient or inspector may touch the devices (including the connecting devices) or when the patient or inspector may touch the person that comes into contact with the devices (including the con- necting devices), the patient's environment is shown below. In the patient's environment, use the device conforming to IEC 60601-1. -
Page 20: Electromagnetic Compatibility
ELECTROMAGNETIC COMPATIBILITY This product conforms to the EMC Standard (IEC 60601-1-2: 2014). The electromagnetic environment assumed for the whole life cycle is home medical treatment environment. If there is electromagnetic jamming that is higher than IEC 60601-1 test level, the following troubles may occur as loss/deterioration of basic performance caused by electromagnetic jamming: - Measured value reliability is lowered or measurement cannot be performed;... - Page 21 Guidance and manufacturer's declaration - electromagnetic emissions The Chronos is intended for use in the electromagnetic environment specified below. The customer or the user of the Chronos should assure that it is used in such an environment. Emissions test Compliance...
- Page 22 Guidance and manufacturer's declaration - electromagnetic immunity The Chronos is intended for use in the electromagnetic environment specified below. The customer or the user of the Chronos should assure that it is used in such an environment. IEC 60601 Electromagnetic environment-...
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Page 23: Safety Of Laser Products
SAFETY OF LASER PRODUCTS SLD products SLD for refractometry LED emitting port 0.031cm Output 5161µW/cm Wavelength (Centroid) 875nm Beam divergence (2) 5.64deg (0.098rad) Laser type Light emitting time 1768 ms Pulse Frequency 10 kHz Pulse width 6.25 μs - 0.1 ms SLD light source SLD for refractometry Class of laser products... -
Page 24: It Network Environment
IT NETWORK ENVIRONMENT • Chronos can be connected with a lens meter and NAS in order to be connected with an external per- sonal computer (PC), input the lens data, Ref data and other data, and output the measurement data by operating the main unit. - Page 25 • When connecting to an IT network, check the precautions described on the previous page. • When the operator uses Chronos from outside the facility, the control device should be connected to the facility network via VPN or other means to ensure security.
- Page 26 Operator instrument table Microphone, Speaker Chronos *Remote site power Chronos main unit (Power) supply unit Patient (LAN) Chronos *1, *2: The connection should be PC or tablet with specified specifications, it is also allowed to connect by wifi. Fig. B: Configuration of IT network connection for remote control...
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Page 27: Specifications Of The Connected Devices
Others IEC 60950-1 or IEC 62368-1 (CE marking) (*3) The standard must be fit to the tablet that is to be connected to Chronos. Unless the stan- dard is fit to the tablet, wireless connection cannot be executed. • Adjustable instrument table exclusively for Chronos (CGS-1000) By using this table, you can change the instrument height freely. -
Page 28: Optional Accessories
When you want to ask a question/make inquiries about the Chronos adjustable instrument table or when you request for repair or any other service about it, NOTE contact the dealer whom you purchased the product or the offices described on the back cover. -
Page 29: Operating And Usage Method
Make sure that the lamp of the main unit is lit in green. Then, start the browser software of the operation controller and input the following address to the address bar of the browser. http://10.1.2.3/topcon/sub/patient.php Input the user name and password on the login screen. - Page 30 Usage method (Sight Pilot) Start Launch Chronos Sight Pilot. (If you use Sight Pilot, consult the dealer from whom you purchased the instrument or the offices listed on the back cover.) Press "START EXAM" button, and you will continue to the PATIENT DETAILS screen.
- Page 31 When calling please give us the following information about your unit: Model name: REFRACTION SYSTEM Chronos Serial No.: Shown on the rating plate on the rear side of the main unit Period of use: Please inform us of the date of purchase.
- Page 32 REFRACTION SYSTEM Chronos Parts management code Printed in Japan 2311-100TH...
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