User Manual
Contents
1. KR 800C KERATOMETER User s Manual ms LUXVISION PRECISION INSTRUMENTS Notification Dear Users Thank you for your purchase of KR 800 Keratometer Please take time to read our user s manual carefully before use This guarantees you to make full use of this unit and prolongs the operation life of this unit Precautions If you have detected abnormal heat smoke noise or smell immediately stop using the product In the event of an abnormality turn off the power and disconnect the power plug from the power socket Continuing to use the product may result in electric shock or fire Observe the instructions given below regarding the power cable Be sure to use the supplied or specified power cable Do not modify forcibly bend kink or pull the power cable When disconnecting the power cable from the AC outlet be sure to hold the cable by the plug Pulling the cable may cause wire breakage or shot circuit resulting in fire or electric shock Do not connect or disconnect the plug of the power cable to from the AC outlet using wet hands Doing so may result in electric shock Do not touch the product with wet hands while the power cable is connected to the AC outlet Doing so may result in electric shock If the product will not be used for a long period disconnect the power cable from the power source Leaving the cable connected to the power socket for a prolonged period will consume electricity and may re2. and the two plus into coincidence tow Figure 5 illustrates the view seen when oblique stigmatism is present The entire instrument has been rotated slightly toward the axis of the astigmatism but the two plus signs are not yet in alignment with each other Further rotation would accomplish this alignment Figure 6 Adjustment of the horizontal measurement control would bring the two plus signs into coincidence In the same way adjusting the vertical measurement control would bring the minus signs B and Bingo coincidence The vertical and horizontal degrees of doubling are correct Readings 1 When the instrument is correctly aligned Record the ready form the diagrams beside the images Fig 7 When oblige sating mates is present record the degree of rotation instrument Maintenance The instrument should be avoided from any strong vibration or shock Measure the standard balls at regular to make the instrument accuracy Cover the instrument to keep it form dust when not used A rubber blower is provided to assist in removing dust if the dust remains a soft bristled brush may be utilized Precaution The instrument should be placed in an area that will be free of excessive Temperature and humidity The room should have adequate humidity Be free of dust the instrument should not be in direct sunlight The instrument should be installed in a table position Avoiding any vibrations or shock The correct current voltage and
3. ate positioning 8 Power switch 9 Fluctuation Hand wheel Is revolved to coincide the and marks of the mire images for finding the radius of the horizontal axis 10 11 12 13 Chin rest Lamp house Glare shield Helps to maintain fixation by blocking of no measured eye Headrest 13 12 11 10 GB ND gt 5 Accessories Standard balls R7 15 R9 RIO Wording lamp 12v 10w five Standard ball measurement unit Instruction one Conformity certification one Functions The instrument efficiently measures the radius of curvature of the anterior corneal surface One posicion measurement is not only more accurate but is truly effective in reducing measuring time and also helps promote patient s cooperation The brightness of all three images is equal The central image is double whenever the instrument is not focused precisely on the corneal mire image This allows continuous monitoring of correct focus by the examiner Internal scale reading system Beside the mire images the millimeter scales for the radius of curve Radius of curvature and the diaper scales for corneal refractive power are view at all times in the field of view Measurement of corneal astigmatism Horizontal displacement of the mire images indicates existence of astigmatism and axis rotating handle is used to coincide the measuring head with axis after which the vertical and horizontal knobs are used to coincide t
4. frequency must be used All cords should be correctly connected The instrument should be properly grounded Proper comfort patient position is essential for an effective exam When disconnecting any cable never use excessive force and do not attempt to disconnect any cable by pulling on the cord itself In the event that the instrument requires any service contact your authorized distributor Only qualified service personnel should make repairs Any modification to the unit may affect its performance as well as voiding the warranty 8 Common Trouble Shooting 2 Head scale image damaged Main lamp damaged Has the scale lamp 3 Head rest does not move up The rod of headrest needs Grease or down 9 Specifications 5 5 11mm 110V SOW 90 300x280x510 mm 10 es KR 800C KERATOMETER LUXVISION is not responsible or liable for indirect special or consequential damages arising out of or in connection with the use or performance of the product or damages with respect to any economic loss loss of property loss of revenues or profits loss of enjoyment or use costs of removal or installation or other consequential damages of whatsoever nature Some states do not allow the exclusion or limitation of incidental or consequential damages Accordingly the above limitation may not apply to you Every effort has been made to ensure the accuracy of this manual However LUXVISION makes no warranties with respect to the docume
5. he mire images showing the great case and simplicity of one position measurement Examination Preparation Use the Keratometer in a quite darkened room in order to keep the patients overcomes any apprehension about the examination Fully explain the purpose and procedure of the examination before starting Follow the produce as shown below to make the necessary preparations 1 Verify the ovular surface of both eyes Connect the instrument power plug to the outlet Tura power switch on Seat the patient at the Keratometer to allow for the adaptation to the examination Adjust both the height of the chair and instrument to assure maximum comfort for the patient Place the patients chin in the chinrest by using the chinrest height control Center the patient s pupil in the systems axis when the patient will see his reflected eye image in the instrument Occlude the eye which is not being tested When the occasion demands use the headband to secure the patient s head in the chinrest assembly Examination 1 4 Figure 3 the central image is double indicating that the instrument is not correctly focused on the central image Use the adjustment control to bring the central double image into clear one Figure sows the view seen when instrument is in focus the vertical doubling and the horizontal and the doubling is insufilcient Adjustment of the vertical knob and the horizontal knob would bring the two minus signs
6. ntation and disclaims any implied warranties of merchantability and fitness for a particular purpose LUXVISION Inc shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing performance or use of this manual or the examples herein The information in this document is subject to change without notice 9990 NW 14 Street Suite 105 Doral FL 33172 Telephone 888 334 4640 11
7. sult in heating Content GO 4 OP 4 ACCESSOMES wast fet 2 rate san mea ton cones aiden indeed ae re ee sanded E E E 6 6 EX 6 7 ID 8 Common 1rovble SNOG ina lens dun ea as 9 Specification Sd A ATA a a EARE E AEA a aR eeanavalsauiyebaidasiet adavens 10 1 Function Introduction Keratometer was developed under the guidance of Optometry Center This instrument can give a precise examination of the radius of curvature of the anterior corneal surface This measurement is utilized to fit contact lenses and to monitor corneal changes produced through the wear of contact lenses Keratometer are occasionally used to assist in the recognition of certain corneal abnormalities and to check the radii of curvature of both hard and soft contact lenses The program can be operated with considerable ease 2 Name of Parts 1 Protractor scale Indicates the axis of astigmatism 2 Adjustable eyepiece control Adjustable from to diapers to correct for operator spherical error 3 Horizontal knob 4 Axis rotating handle Must be turned to locate the axis of astigmatism when there is horizontal Displacement of the and mire images 5 Vertical knob Is revolved to coincide the and marks of the mire images for finding the radius of curvature of the vertical axis Vertical horizontal and height adjustment improve performance and focus correctly 6 Operating Rod T Up Down adjustable knob Height of Up Down adjustable for accur
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