Likelihood of Hering's Law After Ptsosis Surgery on One Eye

asked 11 months ago by thinkertoys
Latest answer by Darryl J. Blinski, MD
Question viewed 162 times
Tags: ptosis, healing, symmetrical

What is likelihood of experiencing hering's law of equal inervation after ptsosis surgery on one eye? That is, having the alternate eylide droop once the 'new' eyelid has been operated on.

4 answers to Likelihood of Hering's Law After Ptsosis Surgery on One Eye

Likelihood of Hering's Law After Ptsosis Surgery on One Eye

Quite an interesting question. Previous experts have addressed the issue nicely. My advise obtain a phenylephrine test.

Darryl J. Blinski, MD
Miami Plastic Surgeon

Unilateral versus Bilateral Ptosis Surgery

This question comes up frequently when patients present with with asymmetric or unilateral eyelid drooping. Naturally, it's a great question to sort out before surgery. Putting a phenylephrine eyedrop in the droopier eye can simulate surgical elevation of the droopy eyelid. This usually gives a pretty accurate idea of what would happen with unilateral surgery. Then your surgeon can discuss with you the merits of unilateral versus bilateral ptosis surgery. An... more

Mark J. Lucarelli, MD
Madison Oculoplastic Surgeon

www.UWHealth.org

An essential questions to be answered at the time of consultation.

Answering this questions is a critical one for the oculoplastic surgeon. Often someone will present with ptosis on one side and be advised to have ptosis surgery on both sides. Herring's law says that both muscles that lift the eyelid get the same innervation. So fixing the obviously ptotic side without addressing the other side can result in the "better" side looking heavy or ptotic after surgery. Occasionally it is not clear if this will be the case.... more

Kenneth D. Steinsapir, MD
Los Angeles Oculoplastic Surgeon

Hering's Law after unilateral ptosis repair

This is truly an excellent question. Unfortunately, there is no easy answer. I try to carefully judge at the time of the consultation if a ptosis is truly unilateral or if there is bilateral but asymmetric ptosis. I usually do a phenylephrine test to help me make this call but even after doing this for 26 years, I still get occasional (and unfortunate) surprises. My simple answer is that if your ptosis was absolutely and completely unilateral to start with, I... more

Lawrence Kass, MD
Saint Petersburg Oculoplastic Surgeon

www.kassmd.com

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Likelihood of Hering's Law After Ptsosis Surgery on One Eye