Hyaluronidase in ophthalmology is most frequently used in combination with anesthetics for ophthalmologic surgery ( eg, retrobulbar block, peribulbar block, sub-Tenon's block, and van Lint block). The rationale for the inclusion of hyaluronidase in combination with local anesthesia techniques …
Ophthalmic Hyaluronidase
Peribulbar Block
The peribulbar block technique was developed to minimize the risk of injury to structures within the intraconal space. It is performed by injection into the extraconal space using larger volumes of local anesthetic (eg, up to 12 mL). The larger volume is necessary for its spread into the entire …
Van Lint Blocks
Because retrobulbar blocks do not provide lid akinesia, they are often combined with van Lint blocks. This method of facial nerve block was the first to be reported and is considered to be the classic technique. Typically, 5 to 10 mL of anesthetic (often the same mixture as used for the retrobulbar …