510(k) · Cleared
ClearedW-55 (Methafilon a) Contact Lens
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Westcon Contact Lens Co., Inc. · LPL Lenses, Soft Contact, Daily Wear
Cleared on Mar 28, 1996 after a 181-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 8 later devices descend from it.
- Decided
- Mar 28, 1996
- Review
- 181 days
- Class
- Class II
- Product code
- LPL
- Recalls
- None
- Predicates
- 0
8 later devices descend from it, 1 citing it directly.
- This deviceK954524 W-55 (Methafilon a) Contact LensWestcon Contact Lens Co., Inc. · 1996
- Descendant · cites it directly · 7 of its ownK992010 W-55 (Methafilcon a) Clear and Visibility Tinted Lens Blank and…Westcon Contact Lens Co., Inc. · 1999
- Descendant · 2 generations on · 5 of its ownK031774 Horizon (Methafilcon a) Daily Wear Sphere and Toric Contact LensesWestcon Contact Lens Co., Inc. · 2004
- Descendant · 3 generations on · 4 of its ownK043540 Horizon 59 Oasis (Hioxifilcon a) Daily Wear Contact LensesWestcon Contact Lens Co., Inc. · 2005
- Descendant · 4 generations on · 2 of its ownK070308 Flexlens Multifocal Soft Contact Lens, (Hioxifilcon a) and…X-Cel Contacts · 2007
- Descendant · 5 generations on · 1 of its ownK100443 Definitive, Flexlens - Silicone HydrogelX-Cel Contacts, Inc. · 2010
Showing 5 of 8 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 8 · See all- K992010W-55 (Methafilcon a) Clear and Visibility Tinted Lens Blank and Horizon 55 Soft (Clear)…Westcon Contact Lens Co., Inc. · 1999 · cites it directly7descendants
- K031774Horizon (Methafilcon a) Daily Wear Sphere and Toric Contact LensesWestcon Contact Lens Co., Inc. · 2004 · 2 generations on5descendants
- K043540Horizon 59 Oasis (Hioxifilcon a) Daily Wear Contact LensesWestcon Contact Lens Co., Inc. · 2005 · 3 generations on4descendants
- K070308Flexlens Multifocal Soft Contact Lens, (Hioxifilcon a) and (Hioxifilcon B) for Daily WearX-Cel Contacts · 2007 · 4 generations on2descendants
- K100443Definitive, Flexlens - Silicone HydrogelX-Cel Contacts, Inc. · 2010 · 5 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K954524 | W-55 (Methafilon a) Contact Lens | Westcon Contact Lens Co., Inc. | 1996 | — |
| +1 | K992010 | W-55 (Methafilcon a) Clear and Visibility Tinted Lens Blank and Horizon 55… | Westcon Contact Lens Co., Inc. | 1999 | — |
| +2 | K031774 | Horizon (Methafilcon a) Daily Wear Sphere and Toric Contact Lenses | Westcon Contact Lens Co., Inc. | 2004 | — |
| +3 | K043540 | Horizon 59 Oasis (Hioxifilcon a) Daily Wear Contact Lenses | Westcon Contact Lens Co., Inc. | 2005 | — |
| +4 | K070308 | Flexlens Multifocal Soft Contact Lens, (Hioxifilcon a) and (Hioxifilcon B) for… | X-Cel Contacts | 2007 | — |
| +5 | K100443 | Definitive, Flexlens - Silicone Hydrogel | X-Cel Contacts, Inc. | 2010 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1999 | 1 | 0 |
| 2001 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2010 | 1 | 0 |
| 2024 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in LPL? 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 LPL device
- #1 K243868 Pegavision (Toufilcon B) Daily Disposable Soft…score 16.8 · 5 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against?
FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.
What descends from it? (8)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K992010 | W-55 (Methafilcon a) Clear and Visibility Tinted Lens Blank and Horizon 55 Soft (Clear)… | 1999 | 7 |
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?
- Of its descendants, K992010 (Westcon Contact Lens Co., Inc., 1999) has gone furthest, with 7 descendants of its own.
How does its category compare?
All LPL devicesLPL Lenses, Soft Contact, Daily Wear: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · LPL
12in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LPL
202in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LPL
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LPL
216in 2025
MAUDE reports naming product code LPL, 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 | 3 | 281 | 1 | 280 |
| 2008 | 10 | 104 | 0 | 214 |
| 2009 | 6 | 260 | 1 | 137 |
| 2010 | 9 | 244 | 0 | 222 |
| 2011 | 12 | 170 | 5 | 377 |
| 2012 | 12 | 131 | 1 | 250 |
| 2013 | 17 | 135 | 0 | 151 |
| 2014 | 15 | 102 | 1 | 179 |
| 2015 | 12 | 120 | 1 | 161 |
| 2016 | 21 | 112 | 0 | 193 |
| 2017 | 9 | 98 | 11 | 280 |
| 2018 | 21 | 56 | 0 | 257 |
| 2019 | 11 | 115 | 0 | 205 |
| 2020 | 10 | 158 | 1 | 117 |
| 2021 | 8 | 88 | 0 | 110 |
| 2022 | 9 | 212 | 1 | 126 |
| 2023 | 10 | 167 | 0 | 178 |
| 2024 | 12 | 128 | 0 | 297 |
| 2025 | 12 | 202 | 1 | 216 |
| 2026 | 10 | 90 | 1 | — |
https://510kreport.com/device/K954524 · printed Nov 6, 2026
Cite this page
510(k) Report. “K954524: W-55 (Methafilon a) Contact Lens.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K954524
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026