Microscopy Associated Risk Factors Awkward and static posture of the lower back, neck and head Lack of adequate leg and knee clearance under work table Working with elbows winged Pinch grip when adjusting binocular eyepiece Wrist and palm contact pressure in the carpal tunnel area High repetition Eye strain and fatigue Inverted Microscope: The camera front port eliminates the need to look round the corner required by trinocular tubes.