# P820021: Softcon (Vifilcon a) Soft Contact Ext Wear Lens

- Pathway: PMA
- Applicant: Alcon Laboratories, Inc.
- Decided: Mar 31, 1983 after 364 days
- Product code: LPM (Lenses, Soft Contact, Extended Wear)
- Device class: 3
- 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.
28 later devices descend from it; 2 cite it directly.
0 of 29 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. PMA decisions do not claim a predicate device.

## Most influential descendants
- K963487: Dailies (Nelfilcon a) One-Day Soft Contact Lens (1996), 26 descendants of its own
- K992446: Dailies (Nelfilcon a) One-Day (1999), 22 descendants of its own
- K050213: Freshlook One-Day Color Contact Lens (2005), 21 descendants of its own
- K033701: Focus Dailies, Focus Dailies Toric and Focus Dailies Progressives One-Day Soft Contact Lenses (2003), 12 descendants of its own
- K050065: Focus Dailies, Focus Dailies Toric and Focus Dailies Progressives (2005), 11 descendants of its own

Source page: https://510kreport.com/device/P820021
Methodology: https://510kreport.com/methodology
