What are the toxic effects of a small amount of intraocular perfluoron on the retina and cornea?

I have seen small amounts of PFO retained in the posterior pole and no inflammation was associated with it. But in some patients, particularly those with any subretinal PFO, retinal atrophy and chronic choroiditis can be seen. This will require surgical removal, especially if the PFO is trapped near the fovea.

Anterior chamber PFO is easily removed with a 27 or 30 gauge needle, and should be done to prevent anterior uveitis and fibrosis of the trabecular meshwork.

The best is to ensure total rem...