Hmmm, I haven't tried that for a long time. I usually use valueOperations from master dials on the head or body actors to control the directions of both eyes simultaneously.

I have noticed that if you select an actor and click Copy from the edit menu, you can paste what's been copied into a text editor to see what's there.

Apparently, in the latest Poser Pro 11.1.0.35540, it does make a difference what gets copied, depending on whether you have show hidden parameters enabled or not. With hidden parameters visible, everything gets copied, including the joint parameters, which is a bad thing if you want to paste them to an actor on the opposite side of the body.

V4 lEye actor copied to clipboard, with hidden parms invisible:

lEye    0   PHMEyePupilRetina   Spline  0.0000  42
lEye    0   Point At    Spline  0.0000  66
lEye    0   PHMEyeCorneaBulge   Spline  0.0000  42
lEye    0   PHMEyeIrisSize  Spline  0.0000  42
lEye    0   PHMEyeIrisBulge Spline  0.0000  42
lEye    0   PHMEyeIrisConvexity Spline  0.0000  42
lEye    0   PHMEyeIrisAlign Spline  0.0000  42
lEye    0   PHMEyePupilDialate  Spline  0.0000  42
lEye    0   PHMEyePupilSlit Spline  0.0000  42
lEye    0   zrot    Spline  0.0000  3
lEye    0   xrot    Spline  0.0000  1
lEye    0   yrot    Spline  0.0000  2

you may not have all those morphs.

lEye actor copy to clipboard with hidden shown:

lEye    0   FBMGND4 Spline  0.0000  42
lEye    0   PHMEyePupilRetina   Spline  0.0000  42
lEye    0   Point At    Spline  0.0000  66
lEye    0   PHMEyeCorneaBulge   Spline  0.0000  42
lEye    0   PHMEyeIrisSize  Spline  0.0000  42
lEye    0   PHMEyeIrisBulge Spline  0.0000  42
lEye    0   PHMEyeIrisConvexity Spline  0.0000  42
lEye    0   PHMEyeIrisAlign Spline  0.0000  42
lEye    0   PHMEyePupilDialate  Spline  0.0000  42
lEye    0   PHMEyePupilSlit Spline  0.0000  42
lEye    0   PBMDC_01    Spline  0.0000  42
lEye    0   PBMDC_02    Spline  0.0000  42
...
lEye    0   PBMCC_49    Spline  0.0000  42
lEye    0   PBMCC_50    Spline  0.0000  42
lEye    0   taper   Spline  0.0000  28
lEye    0   zOffset Spline  0.0241  21
lEye    0   yOffset Spline  0.6891  19
lEye    0   xOffset Spline  0.0135  17
lEye    0   scale   Spline  1.0000  10
lEye    0   xScale  Spline  1.0000  7
lEye    0   yScale  Spline  1.0000  8
lEye    0   zScale  Spline  1.0000  9
lEye    0   zrot    Spline  0.0000  3
lEye    0   xrot    Spline  0.0000  1
lEye    0   yrot    Spline  0.0000  2
lEye    0   xTranB  Spline  -0.0135 18
lEye    0   yTranB  Spline  -0.6891 20
lEye    0   zTranB  Spline  -0.0241 22
lEye    0   xtran   Spline  0.0000  4
lEye    0   ytran   Spline  0.0000  5
lEye    0   ztran   Spline  0.0000  6

Whoops! Now we've copied stuff we wouldn't want to paste on the other eye.

I frequently copy parameters from one magnet deformer prop (or base or zone) to another when I'm creating morphs, but I haven't tried that with Show Hidden set, though for identical props, it wouldn't matter. But eyes are problematic if the joint parms get copied and pasted.

All I can suggest is to make sure Show Hidden is off and do your copy, then paste it into a text editor to see what you get. If the translations are hidden, they shouldn't be copied or pasted.

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