The ornamental design for an instrument for measuring, controlling, and testing optical lenses, as shown.
FIG. 1 is a front, top, and left side, perspective view of an instrument for measuring, controlling, and testing optical lenses according to my new design.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a rear elevation view thereof.
FIG. 4 is a left side elevation view thereof.
FIG. 5 is a right side elevation view thereof.
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines immediately adjacent to the shaded areas depict the bounds of the claimed design, while all other broken lines are directed to environment. The broken lines form no part of the claimed design.