alexa Cataract surgery without preoperative eyedrops.
Ophthalmology

Ophthalmology

Journal of Clinical & Experimental Ophthalmology

Author(s): Cionni RJ, Barros MG, Kaufman AH, Osher RH

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Abstract We present a technique that uses intracameral lidocaine to induce pupil dilation without using preoperative mydriatic eyedrops. After 1 or 2 drops of topical lidocaine hydrochloride 1\% (Xylocaine-MPF 1\%) are applied to the ocular surface, a 1.0 mm side-port incision is created through which Xylocaine-MPF 1\% is injected into the anterior chamber. The lidocaine paralyzes the pupil sphincter, and adequate mydriasis occurs within 90 seconds. Epinephrine (0.3 cc of 1:1000) is added to the irrigation fluid comprising balanced salt solution (BSS), and standard phacoemulsification with intraocular lens implantation is performed. Pupil dilation is maintained or increased during the procedure. Postoperatively, the pupil returns more quickly to normal size and reaction. Using lidocaine for mydriasis instead of standard dilating drops eliminates the cardiac risk of topical sympathetic agents, decreases the time patients wait in the holding area before surgery, reduces the risk of superficial punctate keratopathy, and provides faster recovery of normal pupil function.
This article was published in J Cataract Refract Surg and referenced in Journal of Clinical & Experimental Ophthalmology

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