Cleared Traditional

K884188 - NIDEK LM-870 AUTOMATIC LENSMETER (FDA 510(k) Clearance)

Class I Ophthalmic device.

K884188 · Nidek, Inc. · Ophthalmic device
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Nov 1988
Decision
49d
Days
Class 1
Risk

K884188 is an FDA 510(k) clearance for the NIDEK LM-870 AUTOMATIC LENSMETER. Classified as Instrument, Measuring, Lens, Ac-powered (product code HLM), Class I - General Controls.

Submitted by Nidek, Inc. (Palo Alto, US). The FDA issued a Cleared decision on November 23, 1988 after a review of 49 days - a notably fast clearance cycle.

This device falls under the Ophthalmic FDA review panel, regulated under 21 CFR 886.1425 - 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.

View all Nidek, Inc. devices

Submission Details

510(k) Number K884188 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 05, 1988
Decision Date November 23, 1988
Days to Decision 49 days
Submission Type Traditional
Review Panel Ophthalmic (OP)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
61d faster than avg
Panel avg: 110d · This submission: 49d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code HLM Instrument, Measuring, Lens, Ac-powered
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 886.1425
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.