This is an anesthetic liquid that is commonly injected into the skin prior to surgical procedures. I use it most commonly with chalazion excisions or when removing a papilloma from the eyelid. We inject lidocaine inside the eye during cataract surgery to numb the iris.  On occasion, I will inject the medication behind the eye when performing a retrobulbar block – these blocks are only performed prior to difficult cataract surgeries, however.

Dr. Timothy Root is a practicing ophthalmologist and cataract surgeon in Daytona Beach, Florida. His books, video lectures, and training resources can be found at:


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