Cleared Traditional

K871335 - TOPCON COMPUTERIZED TONOMETER CT-10

K871335 is the FDA 510(k) clearance for TOPCON COMPUTERIZED TONOMETER CT-10 by Topcon Instrument Corporation of America. It is a Class 2 Ophthalmic device (product code HKX) cleared through the Traditional 510(k) pathway after a 45-day FDA review.

K871335 · Topcon Instrument Corporation of America · Ophthalmic device
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May 1987
Decision
45d
Days
Class 2
Risk

K871335 is an FDA 510(k) clearance for the TOPCON COMPUTERIZED TONOMETER CT-10. Classified as Tonometer, Ac-powered (product code HKX), Class II - Special Controls.

Submitted by Topcon Instrument Corporation of America (Paramus, US). The FDA issued a Cleared decision on May 18, 1987 after a review of 45 days - a notably fast clearance 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: 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 Topcon Instrument Corporation of America devices

Submission Details

510(k) Number K871335 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 03, 1987
Decision Date May 18, 1987
Days to Decision 45 days
Submission Type Traditional
Review Panel Ophthalmic (OP)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
65d faster than avg
Panel avg: 110d · This submission: 45d
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 23
Devices cleared under the same product code (HKX) and FDA review panel - the closest regulatory comparables to K871335.
NIDEK MODEL NT-1000
K913189 · Nidek, Inc. · Oct 1991
KEELER PULSAIR NON CONTACT TONOMETER, MODIFICATION
K911721 · Keeler Instruments, Inc. · Jun 1991
BIO-RAD MODULAR AIR COMPRESSOR
K895575 · Bio-Rad · Oct 1989
KEELER PULSAIR NON CONTACT TONOMETER
K870750 · Keeler Instruments, Inc. · Mar 1987
DIGILAB MICRO ONE APPLANATION TONOMETER
K870121 · Bio-Rad · Feb 1987
DIGILAB MODULAR ONE-APPLANATION TONOMETER
K863217 · Bio-Rad · Sep 1986