# K942214: H55 Hydrophilic Contact Lens

- Pathway: 510(k) (Traditional)
- Applicant: Martin S. Knopf Assoc., Inc.
- Decided: Jul 28, 1994 after 83 days
- Product code: LPL (Lenses, Soft Contact, Daily Wear)
- Device class: 2
- Regulation: 21 CFR 886.5925
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
22 later devices descend from it; 4 cite it directly.
0 of 23 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
- K972303: Oscular Sciences/ American Hydron, Inc  Daily Wear Soft Contact Lens (1997), 21 descendants of its own
- K984046: Biomedics 55 (Ocufilcon D) UV Blocking Soft (Hydrophilic) Contac Lens (1999), 15 descendants of its own
- K982947: Biomedics 55 (Ocufilcon D) UV Blocking Soft (Hydrophilic) Contact Lens (1999), 13 descendants of its own
- K020193: Ocular Sciences, Inc. Biomedics UV Asphere (Ocufilcon D) Soft (Hydrophilic) Contact Lens (2002), 11 descendants of its own
- K012425: Biomedics UV Multifocal (2001), 10 descendants of its own

Source page: https://510kreport.com/device/K942214
Methodology: https://510kreport.com/methodology