Central corneal thickness was significantly thinner in children with congenital glaucoma. This finding may be another confounding factor when measuring IOP in those patients. Pachymetry should be considered during their examination.
* BACKGROUND ANDOBJECTIVES: The authors describe a method that seeks to improve the administration of local anesthesia for intraocular surgery, avoiding the risk of potential complications associated with retrobulbar and peribulbar techniques and eliminating the inconveniences of the new methods such as subconjunctival and limbal infiltration.
* PATIENTS AND METHODS: The authors demonstrate the safety and effectiveness of this technique in 50 consecutive cases. This technique consists of a small, blunt dissection of the conjunctiva, Tenons capsule, and intermuscular septum in the inferior nasal quadrant, followed by the insertion of a flexible catheter that is guided to the retrobulbar space, where 3.0 ml of anesthetic solution is injected.
* RESULTS: AU of the patients (100%) felt that this procedure was comfortable and painless. No complications were observed. Ultrasonography demonstrated the exact catheter position in the retrobulbar space; therefore, the authors could be sure that this anesthetic infiltration was done in the appropriate and safe place.
* CONCLUSIONS: This is a direct sub-Tenons technique that is simple, effective, and safe and that avoids introducing a sharp or metallic instrument into the orbit.
[Ophthalmic Surg Lasers 1996;27:275-278.]
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