| 摘要 |
Extraocular ophthalmic preparations useful as therapeutic, lubricating or protective agents are disclosed. Liquid perfluorocarbons and substituted derivatives are the active components of the ophthalmic preparations. The neat perfluorocarbon liquids are not aqueous, wherefore, isotonicity and pH need not be considered in their preparation. Liquid sterility may be maintained without the addition of preservatives. Cornea and conjunctiva surfaces are provided with greater amounts of oxygen when the perfluorocarbon liquids are employed as eye drops.
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