A new hand-held device which focally cools a region of the eye to provide rapid anesthesia for intravitreal injections is demonstrating superiority to traditional anesthesia methods. Previously, lidocaine-based eye drops were used to reduce pain during injections, however many patients continued to report pain. This method cools the focal region of the eye to -5 degrees C, providing a temporary nerve conduction block while the injection is performed.
https://www.ophthalmologytimes.com/view/tool-offers-ultra-rapid-cooling-for-intravitreal-injections
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