Cleared Traditional

K924778 - BURTON AUTO REFRACTOR/KERATOMETER - MODEL BARK-8

K924778 is an FDA 510(k) clearance for BURTON AUTO REFRACTOR/KERATOMETER - MOD..., manufactured by R.H. Burton Co.. The device is a Class 1 Ophthalmic device with product code HKO cleared through the Traditional 510(k) pathway after a 194-day FDA review.

K924778 · R.H. Burton Co. · Ophthalmic device
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Apr 1993
Decision
194d
Days
Class 1
Risk

K924778 is an FDA 510(k) clearance for the BURTON AUTO REFRACTOR/KERATOMETER - MODEL BARK-8. Classified as Refractometer, Ophthalmic (product code HKO), Class I - General Controls.

Submitted by R.H. Burton Co. (Grove City, US). The FDA issued a Cleared decision on April 5, 1993 after a review of 194 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 R.H. Burton Co. devices

FDA 510(k) Submission Details - K924778

510(k) Number K924778 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 23, 1992
Decision Date April 05, 1993
Days to Decision 194 days
Submission Type Traditional
Review Panel Ophthalmic (OP)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
84d slower than avg
Panel avg: 110d · This submission: 194d
Pathway characteristics
Predicate-based equivalence.

HKO Device Classification - Class 1, General Controls

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 20
Devices cleared under the same product code (HKO) and FDA review panel - the closest regulatory comparables to K924778.
AUTO REFF-30
K940516 · Canon, Inc. · Jul 1994
AUTOREF LENSMETER RL-10
K925304 · Canon USA, Inc. · Feb 1994
BURTON AUTO REFRACTOR - MODEL BAR-7
K924790 · R.H. Burton Co. · Apr 1993
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