510(k) · Cleared
ClearedBoston Equalens II (Oprifocon a) Rigid Gas Permeable Contact Lens
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Bausch & Lomb, Incorporated · HQD Lens, Contact (Other Material) - Daily
Cleared on Aug 22, 2002 as substantially equivalent to P860022 (Bausch & Lomb, 1987) after a 52-day review. Its family tree reaches back 1 generation to 1987. 24 later devices descend from it.
- Decided
- Aug 22, 2002
- Review
- 52 days
- Class
- Class II
- Product code
- HQD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to P860022 (1987). 24 later devices descend from it, 3 citing it directly.
- Root · 1 generation backP860022 Boston Equalens (Itaflurofocon a)/Equalens II (Oprifocon a) Rigid…Bausch & Lomb · 1987
- This deviceK022128 Boston Equalens II (Oprifocon a) Rigid Gas Permeable Contact LensBausch & Lomb, Incorporated · 2002
- Descendant · cites it directly · 20 of its ownK153066 BostonSight IC Corneal Lens, BostonSight IC Scleral LensBoston Foundation For Sight · 2016
- Descendant · 2 generations on · 19 of its ownK161461 BostonSight PD Prosthetic DeviceBostonsight · 2016 · Recalled
- Descendant · 3 generations on · 14 of its ownK171404 BOSTON XO (hexafocon A), BOSTON XO2 (hexafocon B)Bausch + Lomb, Incorporated · 2017
- Descendant · 4 generations on · 9 of its ownK180616 OPTIMUM GP (roflufocon D, roflurocon E) Daily Wear Contact Lens…Contamac, Ltd. · 2018
- Descendant · 3 generations on · 7 of its ownK212631 Optimum Infinite (tisilfocon A) Daily Wear Contact LensesContamac, Ltd. · 2022
Showing 5 of 24 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 24 · See all- K153066BostonSight IC Corneal Lens, BostonSight IC Scleral LensBoston Foundation For Sight · 2016 · cites it directly20descendants
- K161461BostonSight PD Prosthetic DeviceBostonsight · 2016 · 2 generations on19descendants
- K171404BOSTON XO (hexafocon A), BOSTON XO2 (hexafocon B)Bausch + Lomb, Incorporated · 2017 · 3 generations on14descendants
- K180616OPTIMUM GP (roflufocon D, roflurocon E) Daily Wear Contact Lens, HEXA100 (hexafocon A)…Contamac, Ltd. · 2018 · 4 generations on9descendants
- K212631Optimum Infinite (tisilfocon A) Daily Wear Contact LensesContamac, Ltd. · 2022 · 3 generations on7descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | P860022 | Boston Equalens (Itaflurofocon a)/Equalens II (Oprifocon a) Rigid Gas… | Bausch & Lomb | 1987 | — |
| 0 (this device) | K022128 | Boston Equalens II (Oprifocon a) Rigid Gas Permeable Contact Lens | Bausch & Lomb, Incorporated | 2002 | — |
| +1 | K153066 | BostonSight IC Corneal Lens, BostonSight IC Scleral Lens | Boston Foundation For Sight | 2016 | — |
| +2 | K161461 | BostonSight PD Prosthetic Device | Bostonsight | 2016 | 1 |
| +3 | K171404 | BOSTON XO (hexafocon A), BOSTON XO2 (hexafocon B) | Bausch + Lomb, Incorporated | 2017 | — |
| +4 | K180616 | OPTIMUM GP (roflufocon D, roflurocon E) Daily Wear Contact Lens, HEXA100… | Contamac, Ltd. | 2018 | — |
| +3 | K212631 | Optimum Infinite (tisilfocon A) Daily Wear Contact Lenses | Contamac, Ltd. | 2022 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2011 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 3 | 0 |
| 2018 | 2 | 0 |
| 2019 | 2 | 0 |
| 2021 | 2 | 0 |
| 2022 | 3 | 0 |
| 2023 | 3 | 0 |
| 2024 | 5 | 0 |
| 2026 | 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 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 K240618 Acuity 200™ (fluoroxyfocon A) Rigid Gas…score 19.4 · 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? (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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | P860022 | Boston Equalens (Itaflurofocon a)/Equalens II (Oprifocon a) Rigid Gas Permeable Contact…Summary page 1…s Permeable Contact Lenses 3. PREDICATE DEVICE The BOSTON* EQUALENS@(itafluorofocon A) Rigid Gas Permeable Contact Lens approved in Premarket Application, P860022, on November 30, 1987, has been selected as the predicate device for the BOSTON@EQUALENS@II (oprifocon A) Rigid Gas Per… | 1987 |
What descends from it? (24)
See all 243 later devices cite it directly; ranked here by how many devices descend from each in turn.
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?
How does its category compare?
All HQD devicesHQD Lens, Contact (Other Material) - Daily: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · HQD
5in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · HQD
80in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HQD
1in 2010
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HQD
2in 2025
MAUDE reports naming product code HQD, 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 | 78 | 0 | 6 |
| 2008 | 5 | 100 | 0 | 8 |
| 2009 | 2 | — | 0 | 12 |
| 2010 | 0 | — | 1 | 2 |
| 2011 | 2 | — | 0 | 7 |
| 2012 | 2 | — | 0 | 10 |
| 2013 | 0 | — | 0 | 15 |
| 2014 | 1 | — | 0 | 26 |
| 2015 | 0 | — | 0 | 5 |
| 2016 | 7 | 119 | 0 | 1 |
| 2017 | 9 | 66 | 0 | 3 |
| 2018 | 5 | 53 | 0 | 0 |
| 2019 | 2 | — | 0 | 5 |
| 2020 | 1 | — | 0 | 2 |
| 2021 | 3 | 123 | 0 | 3 |
| 2022 | 3 | 29 | 0 | 3 |
| 2023 | 3 | 77 | 0 | 8 |
| 2024 | 5 | 80 | 0 | 3 |
| 2025 | 0 | — | 0 | 2 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
The BOSTON EQUALENS II (oprifocon A) RGP contact lens is indicated for daily wear for the correction of refractive ametropia (myopia, hyperopia, astigmatism and presbyopia) in aphakic and not-aphakic persons with non-diseased eyes.
The lens may be disinfected using a chemical disinfection system only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K022128 · printed Nov 4, 2026
Cite this page
510(k) Report. “K022128: Boston Equalens II (Oprifocon a) Rigid Gas Permeable Contact Lens.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K022128
Report an extraction error
Are you the manufacturer?
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