Cleared Traditional

K940516 - AUTO REFF-30

K940516 is the FDA 510(k) clearance for AUTO REFF-30 by Canon, Inc.. It is a Class 1 Ophthalmic device (product code HKO) cleared through the Traditional 510(k) pathway after a 158-day FDA review.

K940516 · Canon, Inc. · Ophthalmic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 1994
Decision
158d
Days
Class 1
Risk

K940516 is an FDA 510(k) clearance for the AUTO REFF-30. Classified as Refractometer, Ophthalmic (product code HKO), Class I - General Controls.

Submitted by Canon, Inc. (Ohta-Ku, Tokyo, Japan, JP). The FDA issued a Cleared decision on July 12, 1994 after a review of 158 days - an extended review 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Ophthalmic review framework, consistent with the majority of Class II 510(k) submissions.

View all Canon, Inc. devices

Submission Details

510(k) Number K940516 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 04, 1994
Decision Date July 12, 1994
Days to Decision 158 days
Submission Type Traditional
Review Panel Ophthalmic (OP)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
48d slower than avg
Panel avg: 110d · This submission: 158d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code HKO Refractometer, Ophthalmic
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 886.1760
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.

Regulatory Peers - HKO Refractometer, Ophthalmic

All 14
Devices cleared under the same product code (HKO) and FDA review panel - the closest regulatory comparables to K940516.
AUTOREF LENSMETER RL-10
K925304 · Canon USA, Inc. · Feb 1994
AR-1600G AUTO-REFRACTOMETER
K902500 · Nidek, Inc. · Jul 1990
NIDEK RT-1200S (MARCO TRS-1200)
K901513 · Nidek, Inc. · Jun 1990
NIDEK AR-1200
K890559 · Nidek, Inc. · Feb 1989
CANON AUTOREFRACTOMETER R-22
K883200 · Canon USA, Inc. · Aug 1988
NIDEK ARK-2000
K882191 · Nidek, Inc. · Jul 1988