NIDEK Ark-1 Auto Ref/Keratometer – Superior Functions, Superior Outcomes
Surpasses a conventional auto ref/keratometer and auto refractometer with technologically enhanced functions generating greater accuracy and greater clinical information.
Accurate Refraction Measurement
Large Pupil Zone Imaging Method
The large pupil zone imaging method enables the measurement of wide area refraction of up to 6 mm diameter and can indicate the difference between the wide area refraction and central area refraction of up to 3.5 mm diameter. The pupil diameter is measured simultaneously. The difference of the measurement allows assessment of the effect of pupil size such as a vision in dim light.
Super Luminescent Diode and Highly Sensitive CCD
Incorporation of the Super Luminescent Diode (SLD) provides a sharper and clearer image compared to a conventional LED. The highly sensitive CCD detects the ring image even if the fundus reflection is weak. The system combining the SLD and highly sensitive CCD significantly improves measurement capability even in dense cataractous eyes.
Easy VA Measurement with Glare Test
VA Measurement with Built-in Charts and Lenses (available for the ARK-1s and AR-1s)
The ARK-1s/AR-1s provides visual acuity (VA) measurement. This unique function enables a quick check of the patient’s refractive error by comparing subjective measurement with objective measurement. Even corrected near visual acuity is measurable with easy operability to determine the need for a progressive lens.
Recall Function for Instant Vision Comparisons (available for the ARK-1s/1a/1 and AR-1s/1a)
The recall function provides the instant comparison between vision corrected with AR data and uncorrected vision or vision corrected with the data of patient’s own glasses. For the patient, this function demonstrates the difference in vision and the necessity for more appropriate vision correction.
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