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In vivo study in cattle. (A) Auriculopalpebral nerve block localization. (B) Local anesthesia with 10 mL of 2% lidocaine. (C) Topical anesthesia with two eye drops of 1% tetracaine. (D) Fluorescein eye drop. (E) Perkins tonometer IOP reading. (F) Cannulation using a 23-gauge scalp vein needle to determine the IOP by aneroid manometry. (G) Application of cyanoacrylate glue. (H) Cyanoacrylate glue covering the site of cannulation. (I) Diclofenac sodium eye drop.
