The ornamental design for a lightshield for an overheadlight, as shown and described.
FIG. 1 is a perspective view of a light shield for an overhead light, shown as installed on a vehicle overhead light, illustrating my new design;
FIG. 2 is a perspective view of the light shield of FIG. 1 in an uninstalled configuration;
FIG. 3 is an elevational view of one side of the light shield of FIG. 1;
FIG. 4 is an elevational view of the other side of the light shield of FIG. 1;
FIG. 5 is an elevational view of one end of the light shield of FIG. 1;
FIG. 6 is an elevational view of the other end of the light shield of FIG. 1;
FIG. 7 is a top plan view of the light shield of FIG. 1; and,
FIG. 8 is a bottom plan view of the light shield of FIG. 1.
In the figures, the broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed invention.