Cleared Traditional

DIGITAL AVERAGING TONOMETER (K945972) - FDA 510(k) Clearance

Class II Ophthalmic device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

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Aug 1995
Decision
252d
Days
Class 2
Risk

K945972 is an FDA 510(k) clearance for the DIGITAL AVERAGING TONOMETER. Classified as Tonometer, Ac-powered (product code HKX), Class II - Special Controls.

Submitted by Opti-Med Electronics (Anderson, US). The FDA issued a Cleared decision on August 17, 1995 after a review of 252 days - an extended review cycle.

This device falls under the Ophthalmic FDA review panel, regulated under 21 CFR 886.1930 - 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 Opti-Med Electronics devices

Submission Details

510(k) Number K945972 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 08, 1994
Decision Date August 17, 1995
Days to Decision 252 days
Submission Type Traditional
Review Panel Ophthalmic (OP)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
142d slower than avg
Panel avg: 110d · This submission: 252d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HKX Tonometer, Ac-powered
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 886.1930
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Ophthalmic devices follow this clearance model.

Regulatory Peers - HKX Tonometer, Ac-powered

All 57
Devices cleared under the same product code (HKX) and FDA review panel - the closest regulatory comparables to K945972.
AUTO KERATO-REFRACTO TONOMETER TRK-3 OMNIA
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VS Tabletop Tonometer
K223739 · Medimaging Integrated Solution, Inc. · Nov 2023
Intraocular Pressure Tonometer EASYTON
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MiiS Horus Scope DPT 100
K181260 · Medimaging Integrated Solution, Inc (Miis) · Jun 2019
Keeler TonoCare Tonometer
K181143 · Keeler Instruments, Inc. · Feb 2019
Tono Vue Non-Contact Tonometer
K180820 · Crystalvue Medical Corporation · Dec 2018