Observation fields of an electron microscope image and an optical magnifying observation image are smoothly switched. The ocular refractive lens alteration device is controlled to alter the refractive lens according to the image quality metric. A portion of the handle, and preferably the entire handle has a surface which is treated by satinizing, which produces a uniform surface roughness in the form of a plurality of microchannels which a circumferential directional component. The gift card may be viewable through a window on the greeting card. An Unblock Code is securely transferred from the unblocking service to the client-side applet. In a preferred embodiment, a dosage form comprising metaxalone and at least one inactive powder excipient is bioequivalent to its commercially available counterpart after oral administration to fasting or non-fasting human subjects, while at the same time displaying faster drug dissolution rates than the Skelaxin\xae tablets as demonstrated from three different dissolution tests.