Nidek ARK-1e Auto Ref/ Keratometer

Description

What’s Included

• Nidek ARK-1e Auto Ref/Keratometer unit
• Power cable
• Chin rest and forehead rest assembly
• 1-year Digital Eye Center warranty

Condition & Warranty

Brand new. This Nidek ARK-1e ships directly in original packaging, fully tested and calibrated before dispatch. Ready for immediate clinical use upon arrival. Covered by a 1-year warranty on parts and workmanship.

Nidek ARK-1e Autorefractor Keratometer — Brand New with Large Pupil Zone Imaging

The Nidek ARK-1e autorefractor keratometer combines objective refractive measurement and corneal curvature assessment in a single, fast workflow. Built on Nidek’s Large Pupil Zone Imaging Method, the ARK-1e captures refraction data across a wide area of the pupil rather than a small central point — delivering readings that more accurately reflect the patient’s functional vision. The Super Luminescent Diode (SLD) light source enables reliable measurements even in eyes with dense cataracts, corneal opacities, or post-LASIK corneas where conventional LEDs struggle.

Research published in the National Library of Medicine confirms that Nidek automated refraction platforms deliver highly repeatable objective measurements that serve as an efficient and accurate foundation for subjective refraction across diverse clinical populations.

Why Practices Choose the Nidek ARK-1e Autorefractor Keratometer

• Large Pupil Zone Imaging Method — Measures refraction over a wider area of the pupil for data that better represents the patient’s real-world vision, especially in patients with irregular corneas or premium IOLs.
• Super Luminescent Diode (SLD) — Provides a sharper, more focused measurement beam than conventional LEDs, enabling accurate readings in eyes with cataracts, IOLs, and corneal opacities.
• 2 mm minimum measurable pupil — Extends measurement capability to patients with small or pharmacologically constricted pupils without requiring dilation.
• Automated PD measurement — Captures interpupillary distance (30–85mm range) automatically during the refraction workflow, eliminating a separate step.
• High-speed CCD camera with 3D auto-tracking — Automatically aligns and acquires measurements, reducing technician time and minimizing patient fatigue.
• Integrated keratometry — Corneal curvature 5.00–13.00mm (25.96–67.50 D) measured simultaneously with refraction, supporting contact lens fitting, cataract planning, and corneal screening.
• Wide refractive range — Sphere from −30.00 to +25.00 D, cylinder 0 to ±12.00 D — handles high myopia, high hyperopia, and high astigmatism in a single device.

Clinical Applications

• Routine refraction workflow — Provides an objective starting point for subjective refraction in adult and pediatric patients, reducing chair time per patient.
• Pre-cataract surgery biometry — Keratometry data feeds directly into IOL power calculations alongside biometry readings.
• Contact lens fitting — Corneal curvature measurements support base curve selection for soft and rigid lens fits.
• Post-refractive surgery assessment — SLD technology allows reliable measurement after LASIK, PRK, or SMILE procedures where standard refractors underperform.
• Pediatric screening — Fast automated measurement minimizes chair time with young or less cooperative patients.
• High-volume optometry — 3D auto-tracking and fast acquisition increase patient throughput in busy optical retail and clinical settings.

Who This Is For

• Ophthalmology and optometry practices seeking a high-accuracy autorefractor for daily refractive workup.
• Cataract and refractive surgery centers needing reliable pre-op keratometry integrated with the refraction workflow.
• High-volume optical clinics where fast, automated measurement improves patient flow.
• Mobile and satellite clinics needing a compact, self-contained refraction and keratometry unit.

Technical Specifications

Compare Autorefractor Keratometer Options

Questions about the Nidek ARK-1e autorefractor keratometer? Contact us for availability and shipping details.