Talking about the microscopic anatomy, it involves the use of optical instruments to study the tissues of various body organs. (instantassignmenthelp.com)
A result - oriented and an efficient optical engineer, skilled in handling complex projects and designing optical instruments. (bestresumewriting.com)
LIGO consists of twin optical instruments called interferometers in Livingston, Louisiana, and Hanford, Washington, each in the shape of an enormous L with arms 4 kilometers long. (sciencemag.org)