Alcon Inc.(ALC)
HQ CH55% share
Major contact-lens and eye-care maker; captive lens packaging.
chemical · input
Silicone Oil (Polydimethylsiloxane) for Vitreoretinal Surgery
Intravitreal tamponade for complex retinal detachment. Classified as medical device fluid. Base silicone polymer from Dow Silicones, Wacker Chemie (Germany). Bausch+Lomb markets Oxane 1300/5700 products.
12
Source countries
5
Companies
1
Goods affected
0
Claims on record
What depends on it
Goods that need this input
1 essential American goods rely on silicone oil (polydimethylsiloxane) for vitreoretinal surgery somewhere upstream in their supply chain.
Where it comes from
Source countries
Share of global supply, by country.
| Country | Share of supply |
|---|---|
| DEGermany (Federal Republic of Germany) | 31% |
| JPJapan | 25% |
| CACanada | 10% |
| CNChina | 9% |
| KRSouth Korea (Republic of Korea) | 5% |
| FRFrance | 4% |
| THThailand | 3% |
| BEBelgium | 2% |
| VNVietnam | 2% |
| ITItaly | 1% |
| BRBrazil | 1% |
| INIndia | 1% |
Who makes it
Supplier companies
5 companies produce silicone oil (polydimethylsiloxane) for vitreoretinal surgery.
Bausch + Lomb(BLCO)
HQ CA30% share
Eye-health company (contact lenses, surgical, pharma). Markets Adato Sil-Ol 5000 (5,000 cSt silicone oil tamponade, U.S.) and the Oxane 1300/5700 silicone oil line (Europe).
Fluoron GmbH
HQ DE25% share
Ultrapure biomaterials specialist for retinal surgery — Siluron silicone oil line, Densiron 68 heavy silicone oil, perfluorocarbon liquids, gases. Sister company of surgical-instrument maker Geuder AG (Heidelberg).
D.O.R.C. (Dutch Ophthalmic Research Center)
HQ NL22% share
Vitreoretinal surgery systems (EVA NEXUS), instruments and surgical liquids incl. silicone oil tamponades. Founded 1983; acquired 100% by Carl Zeiss Meditec from Eurazeo for ~€985M, completed April 2024.
Alchimia S.r.l.
HQ IT15% share
Italian ophthalmic biomaterials manufacturer — RS-OIL ultra-purified silicone oils (1000/1300/2000/5000/5700 cSt), HPF8 perfluorocarbon, vital dyes for vitreoretinal surgery.