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Insulin syringe for anesthesia in ptosis surgery: a randomized, fellow eye-controlled clinical study.

Chan Woong JooWon Seok SongMin Joung LeeYoun Joo Choi
Published in: International ophthalmology (2023)
Injecting local anesthesia using an insulin syringe significantly reduces hemorrhage and eyelid edema, but not injection pain, before skin incision. Insulin syringes are useful in patients at high risk of bleeding because they can reduce the penetrative tissue damage caused by needle insertion.
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