510(k) Report

510(k) · Cleared

Cleared

Onsi -56 (Onsifocon a) Rigid Gas Permeable Spherical, Aspheric, Toric and Bifocal Contact Lens

K033599510(k) TraditionalCleared Sep 16, 2004307-day reviewClass II21 CFR 886.5916

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

The Lagado Corp. · HQD Lens, Contact (Other Material) - Daily

Cleared on Sep 16, 2004 after a 307-day review. The FDA summary names its predicate without a number.

Decided
Sep 16, 2004
Review
307 days
Class
Class II
Product code
HQD
Recalls
None
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K033599Source: FDA 510(k) database · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in HQD? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new HQD device

  1. #1 K240618 Acuity 200™ (fluoroxyfocon A) Rigid Gas…score 19.4 · 12 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*—Oxycon (wilofocon A) Rigid Gas Permeable Contact Lenses
Named without a submission number
—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

How does its category compare?

All HQD devices

HQD Lens, Contact (Other Material) - Daily: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HQD

5in 2024

2007: 42008: 52009: 22011: 22012: 22014: 12016: 72017: 92018: 52019: 22020: 12021: 32022: 32023: 32024: 52026 (partial year): 1
2007high 9 (2017) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HQD

80in 2024

2007: 78 days median2008: 100 days median2016: 119 days median2017: 66 days median2018: 53 days median2021: 123 days median2022: 29 days median2023: 77 days median2024: 80 days median
2007high 123 (2021) · low 29 (2022)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · HQD

1in 2010

2010: 1
2007high 1 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · HQD

2in 2025

2007: 62008: 82009: 122010: 22011: 72012: 102013: 152014: 262015: 52016: 12017: 32019: 52020: 22021: 32022: 32023: 82024: 32025: 2
2007high 26 (2014) · low 0 (2018)2025

MAUDE reports naming product code HQD, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200747806
2008510008
20092—012
20100—12
20112—07
20122—010
20130—015
20141—026
20150—05
2016711901
201796603
201855300
20192—05
20201—02
2021312303
202232903
202337708
202458003
20250—02
20261—0—

What is it indicated for?

The ONSITm-56 (onsifocon A) Rigid Gas Permeable Spherical, Aspheric, Toric and Bifocal Contact Lens is indicated for daily wear for the correction of visual acuity in not-aphakic persons with non-diseased eyes that are myopic, hyperopic or presbyopic and which may exhibit corneal astigmatism.

The lenses may be disinfected only by using chemical disinfection

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K033599: Onsi -56 (Onsifocon a) Rigid Gas Permeable Spherical, Aspheric, Toric and Bifocal Contact Lens.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K033599

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026