[R] orthogonal distance regression package?

[Adam Waytz]

Hello,

I am extremely new to R and have found some leads to this question in the archives, but I am still a bit uncertain.
I am looking for an R package to carry out orthogonal distance regression.  I found some answers regarding Deming
regression and Total Least Squares regression, but I was unclear if these are identical terms.  Please let me know if
a package is available.

Thank you,
Adam