Cleared Traditional

SHIELDS T.C. LASER LENS (K893731) - FDA 510(k) Clearance

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

K893731 · Ocular Instruments, Inc. · Ophthalmic device
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Aug 1989
Decision
92d
Days
Class 2
Risk

K893731 is an FDA 510(k) clearance for the SHIELDS T.C. LASER LENS. Classified as Lens, Surgical, Laser, Accesssory, Ophthalmic Laser (product code LQJ), Class II - Special Controls.

Submitted by Ocular Instruments, Inc. (Bellevue, US). The FDA issued a Cleared decision on August 17, 1989 after a review of 92 days - within the typical 510(k) review window.

This device falls under the Ophthalmic FDA review panel, regulated under 21 CFR 886.4390 - 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 Ocular Instruments, Inc. devices

Submission Details

510(k) Number K893731 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 17, 1989
Decision Date August 17, 1989
Days to Decision 92 days
Submission Type Traditional
Review Panel Ophthalmic (OP)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
18d faster than avg
Panel avg: 110d · This submission: 92d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LQJ Lens, Surgical, Laser, Accesssory, Ophthalmic Laser
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 886.4390
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.