The ornamental design for a monocularopticaldevice for automated refraction testing, as shown and described.
FIG. 1 is a perspective view of a monocular optical device for automated refraction testing showing the new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The dashed lines in the drawings represent portions of the monocular optical device for automated refraction testing and environmental structure that forms no part of the claimed design.