Surgery for intermittent exotropia.

I have intermittent exotropia in both eyes. Every 1 or 2 minutes, my eye turns out. Sometimes it's my left eye, and other times it's my right. I have been wanting to undergo surgery. I met a squint specialist, and he advised me to get surgery. He said, that is the only option for me. The doctor said he would do a 2-muscle surgery on only one eye. He will not touch the other eye. He told me that by doing a 2-muscle surgery on one eye, the other eye will not turn out, and the brain will not allow that to happen, it seems. I would like to know whether what he says is right. Is it OK to do a surgery like that? He is a pediatric opthamalogist and a squint specialist having an experience of 16 years.