Pupil dilation with intracameral 1% lidocaine during glaucoma filtering urgery

Purpoe To evaluate pupil dilation from intracameral injection of nonpreerved 1% lidocaine. Deign Obervational cae erie of 25 conecutive phakic trabeculectomie. Method Patient were evaluated in the operating room etting and given one drop of topical tetracaine preoperatively. Nonpreerved 1% lidocaine (0.1 cc) wa injected intracameraly into the anterior chamber through a paracentei ite at the corneal limbu. Pupil diameter wa meaured after intillation of topical tetracaine, before injection of intracameral lidocaine. Potinjection meaurement were made at 1, 3, and 5 minute. Reult The mean male pupil diameter wa ignificantly greater than female dilation at every time point. The mean blue iri diameter wa greater than brown at 1 and 3 minute, but there wa no difference at 5 minute or more. There wa no racial difference in the pupil dilation repone to intracameral lidocaine. Concluion Nonpreerved intracameral 1% lidocaine produce immediate pupil dilation in previouly undilated phakic patient during trabeculectomy urgery