The ornamental design for an eyeglassframe, as shown and described.
FIG. 1 is a perspective view of an eyeglass frame showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof, the left side view being a mirror image thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a perspective view of the eyeglass frame, the phantom line showing of the temples and lens is for illustrative purposes only and forms no part of the claimed design.