Auto-refractometer AR-1A - Excellent 2015

Advanced Ocular Refraction Measurement with Nidek AR-1A Auto-Refractometer

The Nidek AR-1A auto-refractometer sets a new standard in ocular refraction measurement with its advanced features and cutting-edge technology. One of its key innovations is the large pupil zone imaging method, which enables the measurement of a wider area of refraction up to 6 mm in diameter. This capability allows clinicians to assess the difference between the wide area refraction and central area refraction of up to 3.5 mm in diameter simultaneously. By providing insights into the effects of pupil size on vision, particularly in dim light conditions, this feature enhances diagnostic accuracy and patient care.

Incorporating a super luminescent diode (SLD), the AR-1A delivers sharper and clearer images compared to conventional LED-based systems. This advancement ensures precise measurement even in challenging clinical scenarios, such as cases with weak fundus reflection.

The highly sensitive CCD further enhances the system's capability by detecting ring images with exceptional sensitivity, particularly in dense cataractous eyes. By combining the SLD and CCD technologies, the AR-1A offers unparalleled measurement accuracy and reliability, empowering clinicians to make informed decisions about patient care.

The AR-1A also features fogging capabilities, which are employed after correcting the patient's astigmatism with built-in cylinder lenses. This innovative approach allows patients to view the target clearly during the examination process, minimizing interference with accommodation, especially in cases of high astigmatism. By optimizing patient comfort and minimizing measurement errors, the AR-1A ensures a smooth and efficient examination experience for both clinicians and patients alike.

The Nidek AR-1A auto-refractometer further enhances its functionality with the recall feature, providing clinicians with instant comparisons between vision corrected with AR data and uncorrected vision, or vision corrected with the data of the patient's own glasses. This feature offers valuable insights to both clinicians and patients, demonstrating the difference in vision and highlighting the necessity for more appropriate vision correction, ultimately improving patient outcomes.

Additionally, the AR-1A facilitates objective measurement of accommodation by engaging the patient in focusing on a target that moves from distance to near. An intelligent algorithm detects the patient's response and adjusts the measurement time accordingly, particularly beneficial in cases with a slow or weak accommodative response. This accommodation measurement capability aids in the assessment of conditions such as pseudomyopia, eyestrain, and accommodative palsy, providing valuable diagnostic information for clinicians.

Moreover, the AR-1A corrects astigmatism using built-in cylinder lenses prior to measurement. This correction minimizes the influence of astigmatism on accommodation measurement, ensuring more accurate and reliable results. By addressing astigmatism beforehand, the AR-1A optimizes measurement precision and diagnostic accuracy, enhancing the overall quality of patient care.

Furthermore, the assessment of accommodation based on the age-accommodation relationship allows clinicians to suggest whether an intermediate or near lens is required for optimal vision correction. This personalized approach ensures that patients receive tailored recommendations based on their individual needs, further enhancing the effectiveness of vision correction strategies.

In summary, the Nidek AR-1A auto-refractometer offers a comprehensive range of features designed to optimize ocular refraction measurement and enhance patient care. From instant vision comparisons to objective accommodation measurement and astigmatism correction, the AR-1A provides clinicians with the tools they need to make informed decisions and deliver exceptional eye care services.

• Dimensions: 260 (W) x 495 (D) x 457 (H) mm
• Weight: 20 kg

• Power Source: 100-240 V, 50/60 Hz

• Display: 6.5-inch color LCD

• Sphere Measurement Range: -30D to +25D
• Cylinder Measurement Range: +/- 12D

For more information, please refer to the PDF.