Nidek ARK-1a

This used Nidek ARK-1a is a combined autorefractor and keratometer built for high-throughput refraction workups in optometric and ophthalmic practices. It automates spherical, cylindrical, and axis measurements alongside corneal curvature readings, giving technicians a fast and repeatable way to gather objective refraction data before a manifest refraction or contact lens fitting. The unit has been inspected and is functioning well, showing typical cosmetic wear from clinical use. The ARK-1a features Nidek's autotracking and autoshot technology, which reduces operator variability by capturing measurements automatically once alignment is achieved. Its interface is straightforward, allowing techs with varying experience levels to obtain consistent readings without extensive training. The printed output integrates easily into a pretest workflow ahead of a doctor's exam, helping practices move patients through screening more efficiently. This instrument is well suited for optometry offices, ophthalmology clinics, and vision centers looking to add or replace an autorefractor and keratometer combination unit without the expense of new equipment. Buyers should expect a functional, previously owned device ready to be integrated into an existing pretest lane.