The purpose of this study is to determine whether Vitrase (hyaluronidase for injection) is effective as a spreading agent for other injected drugs prior to ocular surgery

Inclusion Criteria:

• Scheduled for an ophthalmic surgical procedure

Exclusion Criteria:

• Documented history of hypersensitivity to hyaluronidase or any other ingredient in Vitrase
• Known history of hypersensitivity reaction to bee or wasp venom
• Needing enhanced absorption and dispersion of dopamine, alpha agonist drugs, furosemide, the benzodiazepines, or phenytoin
• Inflammation or apparent clinical signs of infection in the area where Vitrase was to be injected