510(k) · Cleared
ClearedLightlas 577 Medical Optical Pumped Semiconductor Laser
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Lightmed Corp. · HQF Laser, Ophthalmic
Cleared on Sep 28, 2009 as substantially equivalent to K063297 (Lightmed Corp., 2007) and 2 other predicates after an 89-day review. Its family tree reaches back 3 generations to 1989.
- Decided
- Sep 28, 2009
- Review
- 89 days
- Class
- Class II
- Product code
- HQF
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 3 generations to K894841 (1989). 14 ancestors in all, the oldest K812219 (1981). No later device cites it as a predicate yet.
- Root · 3 generations backK894841 Iris Oculight (TM) SLIriderm Div. · 1989
- 2 generations backK960971 Oculight GLIriderm Div. · 1996
- 1 generation backK022181 Novus Varia Ophthalmic Laser and Delivery Devices with AccessoriesLumenis, Inc. · 2002
- This deviceK091981 Lightlas 577 Medical Optical Pumped Semiconductor LaserLightmed Corp. · 2009
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K894841 | Iris Oculight (TM) SL | Iriderm Div. | 1989 | — |
| −2 | K960971 | Oculight GL | Iriderm Div. | 1996 | — |
| −1 | K022181 | Novus Varia Ophthalmic Laser and Delivery Devices with Accessories | Lumenis, Inc. | 2002 | — |
| 0 (this device) | K091981 | Lightlas 577 Medical Optical Pumped Semiconductor Laser | Lightmed Corp. | 2009 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1981 | 1 | 0 |
| 1983 | 1 | 0 |
| 1989 | 1 | 0 |
| 1991 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1996 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
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 HQF? 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 HQF device
- #1 K251772 Navilas Laser System 577sl (156691)score 13.6 · 12 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K063297 | Lightlas 561 Opthalmic PhotocoagulatorSummary page 1…Ophthalmic Laser Regulatory Class: II Performance standards: 21 CFR 1040.10 & 1040.11 C. Predicate Device Names: (4) Device Names: LightLas 561 (K063297) (5) Device Names: Novus Varia (K022181) (6) Device Names: Family of IRIDEX IQ Laser System(K071687) 510K_577_A3… | 2007 |
| * | K022181 | Novus Varia Ophthalmic Laser and Delivery Devices with AccessoriesSummary page 1…ass: II Performance standards: 21 CFR 1040.10 & 1040.11 C. Predicate Device Names: (4) Device Names: LightLas 561 (K063297) (5) Device Names: Novus Varia (K022181) (6) Device Names: Family of IRIDEX IQ Laser System(K071687) 510K_577_A3… | 2002 |
| * | K071687 | Famili of Iridex IQ Laser SystemsSummary page 1…0.11 C. Predicate Device Names: (4) Device Names: LightLas 561 (K063297) (5) Device Names: Novus Varia (K022181) (6) Device Names: Family of IRIDEX IQ Laser System(K071687) 510K_577_A3 64 D. Device Descriptio… | 2008 |
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.
What does this lineage say?
- The line of descent spans 20 years and passes through 3 companies; a new generation was cleared every 6.9 years on median.
- None of the 14 ancestors has a recall.
How does its category compare?
All HQF devicesHQF Laser, Ophthalmic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.
FDA decisions per year · HQF
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · HQF
264in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HQF
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HQF
106in 2025
MAUDE reports naming product code HQF, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 4 | 198 | 2 | 60 |
| 2008 | 3 | 28 | 1 | 34 |
| 2009 | 7 | 115 | 2 | 33 |
| 2010 | 2 | — | 3 | 43 |
| 2011 | 4 | 128 | 5 | 26 |
| 2012 | 5 | 179 | 1 | 41 |
| 2013 | 6 | 225 | 2 | 39 |
| 2014 | 3 | 215 | 4 | 58 |
| 2015 | 4 | 295 | 0 | 80 |
| 2016 | 3 | 271 | 0 | 108 |
| 2017 | 3 | 189 | 0 | 77 |
| 2018 | 1 | — | 0 | 82 |
| 2019 | 4 | 107 | 0 | 66 |
| 2020 | 4 | 53 | 0 | 72 |
| 2021 | 1 | — | 0 | 100 |
| 2022 | 7 | 86 | 0 | 111 |
| 2023 | 5 | 155 | 0 | 92 |
| 2024 | 3 | 167 | 0 | 75 |
| 2025 | 3 | 264 | 1 | 106 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
Ophthalmology:
* Retinal Photocoagulation
* Pan Retinal Photocoagulation
* Endophotocoagulation
* Macular Treatments
* Laser Trabeculoplasty
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K091981 · printed Nov 3, 2026
Cite this page
510(k) Report. “K091981: Lightlas 577 Medical Optical Pumped Semiconductor Laser.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K091981
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026