K882191 is an FDA 510(k) clearance for the NIDEK ARK-2000. Classified as Refractometer, Ophthalmic (product code HKO), Class I - General Controls.
Submitted by Nidek, Inc. (Palo Alto, US). The FDA issued a Cleared decision on July 1, 1988 after a review of 38 days - a notably fast clearance cycle.
This device falls under the Ophthalmic FDA review panel, regulated under 21 CFR 886.1760 - the FDA ophthalmic device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.
Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.
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