Cleared Traditional

K893171 - VISTA STREAK RETINOSCOPE (AC-POWERED) (FDA 510(k) Clearance)

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

Sep 1989
Decision
149d
Days
Class 2
Risk

K893171 is an FDA 510(k) clearance for the VISTA STREAK RETINOSCOPE (AC-POWERED). Classified as Retinoscope, Ac-powered (product code HKL), Class II - Special Controls.

Submitted by Keeler Instruments, Inc. (Broomall, US). The FDA issued a Cleared decision on September 21, 1989 after a review of 149 days - within the typical 510(k) review window.

This device falls under the Ophthalmic FDA review panel, regulated under 21 CFR 886.1780 - 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.

Submission Details

510(k) Number K893171 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 25, 1989
Decision Date September 21, 1989
Days to Decision 149 days
Submission Type Traditional
Review Panel Ophthalmic (OP)
Summary -
Regulatory Context
Review time vs. panel average
7d faster than avg
Panel avg: 156d · This submission: 149d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HKL Retinoscope, Ac-powered
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 886.1780
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.