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September 1980

Intravitreal Expansion of Perfluorocarbon Bubbles

Author Affiliations

From the Department of Ophthalmology, The New York Hospital-Cornell Medical Center, New York.

Arch Ophthalmol. 1980;98(9):1646. doi:10.1001/archopht.1980.01020040498023

• The intraocular expansion of perfluoromethane (CF4), perfluoroethane (C2F6), and perfluoropropane (C3F8) was determined by a direct method for measuring intravitreal gas. A bubble of CF4 was found to expand 1.9 times the volume initially injected; C2F6 expanded 3.3 times; C3F8 expanded four times. The expansion characteristics of the experimental gases were compared with those of sulfur hexafluoride (SF6) and octofluorocyclobutane (C4F8), two gases already in clinical use.