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 RK-F1 Full Auto Refractor-Keratometer
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Overview |
The RK-F1 Full Auto Ref-Keratometer simplifies the standard measurement procedure to an unprecedented degree-all operations in just one step. With a press of the Start button, the RK-F1 automatically completes the entire series of steps for both eyes: alignment, measurement, and printout. The motorized optical head automatically aligns, acquires the readings, and then automatically moves over to the opposite eye to perform the same function. The unit can also be operated manually to acquire readings.
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Features |
Easy, comfortable operation
 The RK-F1 replaces the conventional joystick with a trackball and roller. Once the examinee's pupil is visible in the monitor, you just press the start button to begin--and complete--measurements of refraction and keratometry. |
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Wide measurement range
The dioptric measurement range of -30D to +22D allows examination of strong myopia and other abnormalities for refraction. The radius of curvature extends from 5.5 mm to 10.0 mm for keratometry. |
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Ergonomic centralized control keys
The layout of the operation panel makes the unit easy to use from either a seated or standing position. Control keys for each of the main functions are grouped together for your convenience.  Motorized chin rest
A motorized chin rest offers easy adjustment of the unit when beginning the eye examination
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Corneal periphery measurement
The peripheral keratometry mode provides accurate measurements for examining oblique astigmatism as well as for determining the best fit for a contact lens. The RK-F1 can be used to make a series of measurements at a 30 degree angle from the eye's center along the attentive meridians. |
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Retro-illumination
Through retro-illumination, the RK-F1 brings you a detailed view of the eye that is particularly useful for identifying cataracts, vitreous opacity, scars, and other serious eye problems. |
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For more information, download the RK-F1 Full Auto Ref-Keratometer brochure.
Download a RK-F1 Full Auto Ref-Keratometer testimonial. |
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Optional Accessories
Printing paper
Chin rest paper
Motorized table
Printer cable |
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Specifications |
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Refractometry |
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Sphere (SPH) |
-30 to +22D when VD=12 mm (Increments: 0.12D and 0.25D) |
Cylinder (CYL) |
0 to +/-10D (Increments: 0.12D and 0.25D) |
Axis (AX) |
1 degree to 180 degree (Increments: 1 degree) |
Pupil distance (PD) |
0 to 85 mm (Increments: 1 mm) |
Vertex distance (VD) |
0/12/13.5 mm |
Cylinder form |
-, +, +/- |
Minimum pupil size |
2.5 mm diameter |
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Keratometry |
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Radius of curvature |
5.5 to 10 mm (Increments: 0.01 mm) |
Corneal power |
33.75 to 61.25D when cornea equivalent refractive index is 1.3375 (Increments: 0.05D, 0.12D, 0.25D) |
Axis |
1 to 180 degree (Increments: 1 degree) |
Corneal periphery |
Measurement area: 30 degrees when radius of curvature is 8 mm |
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General |
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Corneal diameter |
2.0 to 16.0 mm (Increments: 0.1 mm) |
Retroillumination |
Available; 2 images can be stored in memory |
Memory |
10 measurements for each eye |
Built-in printer |
Thermal line printer |
Data output |
RS232C (The instrument to be connected must comply with the IEC601-1 standard) |
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Electrical and Environmental |
Power saving system |
Available |
Power supply |
110/120V, 220/240V, 230V
50/60Hz, 0.4 – 0.8A |
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Physical Characteristics |
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Dimensions (W x L x H) |
Approximately 11 inches x 20.5 inches x 18.5 inches
(280 mm x 520 mm x 470 mm) |
Weight |
Approximately 46 pounds (21 kg) |
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