tamponade agent

tamponade agent 

A gas, pad or silicone oil used to plug a cavity, stop a haemorrhage or compress a part. In the eye it may be employed in vitreous surgery to fill the vitreous space with either gas or silicone, and in retinal detachment therapy.
References in periodicals archive ?
Adverse side effects with perfluorohexyloctane as a long-term tamponade agent in complicated vitreoretinal surgery.
A pilot study on the use of a perfluorohexyloctane/silicone oil solution as a heavier than water internal tamponade agent.
Injectability of silicone oil-based tamponade agents.