# K003933: Boston Equalens II (Oprifocon a) Contact Lens for Orthokeratolgy

- Pathway: 510(k) (Traditional)
- Applicant: Polymer Technology
- Decided: Feb 16, 2001 after 58 days
- Product code: MUW (Lens, Contact (Orthokeratology))
- Device class: 2
- Regulation: 21 CFR 886.5916
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K181579: eLens Rigid Gas Permeable Contact Lens for Daily Wear, eLens Rigid Gas Permeable Contact Lens for Daily Wear Ortho-K (2018), 0 descendants of its own

Source page: https://510kreport.com/device/K003933
Methodology: https://510kreport.com/methodology