Canon TX-20P measures intraocular pressure (IOP) and central corneal thickness (CCT) together as well as automatically recalculate the compensated IOP with accuracy and speed. Information about the actual corneal thickness is important because without, it can mask accurate readings of IOP and delay diagnosis of glaucoma. Unless taken into account, thicker corneas contribute to overestimation of IOP values and thinner corneas to underestimation. Whenever high IOP is detected, a warning message is displayed. The operator can enter any threshold value on the unit settings screen to activate the warning system for that value. With a simple push of the button, an examination will be conducted fully automatically on both eyes – from alignment to printing.
The 3D tracking system of the TX-20P features a wide range of movement, so that the examinee’s pupil can be detected easily. When in Full Auto mode, the TX-20P is a one touch operation for IOP measurement for both eyes. Just press the start button and the unit automatically aligns and measures the intraocular pressure of both eyes. For added flexibility, the TX-20P also includes Auto and Manual measurement modes.
When a reading cannot be made, the TX-20P display will show a snapshot of the examinee’s eye along with the measurement error. The operator will know immediately whether it was an eyelid, eyelash or the eye being out of position that caused the error. The operator will then be informed on the next action to take such as adjusting the chin rest or limiter.
Central corneal thickness (CCT) measurement based on cross-sectional image of the slit image of the cornea. With the built-in pachymeter the TX-20P is much more than just a tonometer. It reduces the risk of misreading intraocular pressure and is set to make a significant contribution to detecting potential glaucoma in patients.
For many patients, the only thing significant and worrisome about tonometry is the air puff. The TX-20P employs a delicate air puff for patient comfort. When the Safety Alert is set, the TX-20P automatically prevents the optical head from making physical contact with the patient.
The 5.7 inch color LCD monitor tilts 40° making the TX-20P easy to use whether the operator is sitting or standing. The clear LCD display also includes multi-functional screen buttons allowing the operator to switch menus as needed.
The external fixation is effective for patients with central vision defects and can be activated using the menus on the LCD screen.
Aligning patients is made easier using the motorized Omni-directional joystick with a fine focus dial. All positioning may be performed with one hand allowing the other hand to work with the patient, if needed. The top of the joystick button includes the start button, which can immediately be pressed once the patient is properly positioned.
The TX-20P provides data output using RS-232C and LAN connections, and data input using USB connections.
Internal memory provides storage of up to 10 measurements for each eye, listing in the order they were taken, or by reliability. A printout can be setup to automatically print. The front loaded built-in printer includes an auto cutter, making it simple to remove the print-out. New paper rolls can easily be inserted through the feeder.
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Lenscan Medical Inc. provides a full scope of ophthalmic/Optometry equipment, optical store equipment, dental loupes and surgical microscopes etc. to meet the needs of health care professionals. Lenscan Medical Inc. is committed to providing our customers highest possible level of service and support on our quality products.
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