New Canon RK-F2 Full Auto Ref-Keratometer features improved operability, facilitates fast, easy examinations


March 28, 2012

TOKYO, March 28, 2012 – Canon Inc. and Canon Marketing Japan Inc. announced today the introduction in Japan of the new RK-F2 Full Auto Ref-Keratometer, an eyecare device that automatically measures the refraction and radius of curvature of the cornea. Intended for use in hospitals, ophthalmology clinics and eyeglasses stores, the RK-F2 offers greatly enhanced operability through its 5.7-inch tilting LCD screen and compact, lightweight body design.

The RK-F2 Full Auto Ref-Keratometer is capable of automatically measuring not only the refraction and radius of curvature of the cornea, but also such information as the refractive condition of short-sighted, far-sighted and astigmatic eyes, and the corneal curvature, which is important for determining the best fit for eyeglasses and contact lenses. Inheriting the same high performance as its predecessor, the RK-F1 Full Auto Ref-Keratometer (released in June 2001), the RK-F2 allows operators to easily examine patients with small pupil sizes or suffering from ocular conditions.

Incorporating Canon’s proprietary auto-alignment technology, the RK-F2 makes possible the fast, accurate and fully automatic examination of both eyes. Once proper alignment has been established for one eye with a portion of the pupil displayed on the monitor, a single push of the start button enables the device to instantly detect the patient’s eye and automatically begins a continuous series of procedures, beginning with the measurement of each eye in succession, through to the printing out of results. The RK-F2’s fine auto-alignment drive technology is capable of quickly and accurately detecting the placement of the corneal apex, even for patients who have trouble keeping their eyes stable.

Requiring a pupil diameter of just 2 mm, the RK-F2 even facilitates measurement for eyes that have a small pupil diameter while retro-illumination provides a detailed view of eyes, which can be helpful for identifying cataracts and other serious eye problems.

Featuring a redesigned drive system, Canon’s compact, lightweight RK-F2 realizes a smaller footprint and facilitates a smooth measurement process. The 5.7-inch color LCD monitor, capable of tilting 40°, enables operators to easily confirm measurements while either sitting or standing. Furthermore, the design of the measurement screen provides increased visibility to reduce the occurrence of measurement errors. Other features contributing to enhanced operability include a fine control mode with a motorized omni-directional joystick enabling fine focus adjustment, and a tracking mode that automatically adjusts the device’s working distance during measurement. In addition to RS-232C output, which was also offered by its predecessor, the RF-K2’s improved interface supports output through an LAN to facilitate connectivity with such external systems as examination and electronic health record systems.

Canon will be displaying the new RF-K2 at the company’s booth during the 116th Annual Meeting of the Japanese Ophthalmological Society, which will be held at the Tokyo International Forum from April 5 to 8, 2012.

The Canon RK-F2 Full Auto Ref-Keratometer will be available in Japan from June 1, 2012, priced at ¥2.7 million (excluding tax). Canon has set initial production at 100 units per month.

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