# K050856: LCG (Liquide Crystal Glasses) System

- Pathway: 510(k) (Traditional)
- Applicant: Ophthocare, Ltd.
- Decided: May 31, 2005 after 56 days
- Product code: HOY (Shield, Eye, Ophthalmic (Including Sunlamp Protective Eyewear And Post-Mydriatic Eyewear))
- Device class: 1
- Regulation: 21 CFR 886.4750
- 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. The FDA summary names its predicate without a number.
- (no number) Strabismoscope Undirectional Occluder, Welch Allyn, Inc.: named in the summary without a submission number
- (no number) Coverlet Eye Occlusion, Beiersdorf, Inc.: named in the summary without a submission number
- (no number) Spectacle frame: named in the summary without a submission number
- (no number) Prescription (non-custom) spectacle lens: named in the summary without a submission number
- (no number) Sunglasses (nonprescription): named in the summary without a submission number

## Most influential descendants
- K132042: AMB101 System, Amblyz, LCG System, Xpand (2014), 0 descendants of its own

## Indications for use
The LCG (Liquid Crystal Glasses) System is an electronic shutter module intended to provide occlusions of the eye in an intermittent fashion.

Source page: https://510kreport.com/device/K050856
Methodology: https://510kreport.com/methodology