Operating a microscope
for long hours puts much strain on the neck, shoulders, eyes, lower
back, and arms/wrists.
Associated Risk Factors:
- Awkward and
static posture of the lower back.
- Lack of adequate leg and knee clearance under
- Working with elbows winged.
- Pinch grip when adjusting binocular eyepiece.
- Wrist and palm contact pressure in the carpal
- High repetition.
- Eyestrain and fatigue.
- Awkward and static posture of the neck and
- Do not work with elbows
elbows close to sides, below 45 degree angle.
- Make sure to work with wrists in (straight)
- Avoid forearm and wrist contact pressure. Pad
sharp edges with foam, or pad wrists and forearms to reduce pressure.
- Make sure leg and knee clearance under
- Always assume proper sitting position,
- Ensure proper lower back and thigh support.
- Ensure that feet are flat on floor or
- Use only adjustable chair or stool with
foot and forearm rest
- Avoid raising shoulders and bending neck while
looking through microscope's eyepiece.
- Adjust microscope eyepiece's height to allow
head and neck proper (upright) neutral posture.
- Position microscope as close as possible
you to ensure upright head position.
- Use or purchase extended eye tube and/or
variable height adapter to achieve proper neck and head position.
- prevent repetition, and alter prolonged awkward
posture. Take adequate small breaks, or perform other job tasks
that require less repetition, rest your eyes, neck, and shoulders.
- Use video display terminal when appropriate to
view sample, and reduce eye and neck strain.
- Make sure scopes remain clean all the time, and
lighting is of proper intensity