Vision Risk Factors; Hand And Wrist Motor Risk Factors - Hitachi VisionPlate 60 User Manual

• Vision Risk Factors

Sustained viewing of screens could lead to fatigue, blurred or double vision, and headaches.
Some researchers believe that users who fixate on their screens for long durations can even undergo
changes in how clearly and quickly they focus.
Tips to Keep in Mind
- Maintain a desirable viewing angle of 20 to 35 degrees downward to the LCD screen's center.
- Place the display at a comfortable viewing distance, usually about 20 to 24 inches.
- Adjust the product slightly during the work session from time to time in order to change the
focal distance to the
- Always locate the LCD directly in front of you.
- Always adjust the brightness and contrast controls to maximize the character and image quality
on the L CD.
- Take frequent, short breaks, with stretching or exercise
- Shift your position often.
- Select light sources that are located outside the peripheral field of vision in order to minimize
direct and reflected glare
- Always use indirect lighting whenever possible to avoid reflective bright spots on the LCD.

• Hand and Wrist Motor Risk Factors

Keying, using the mouse, using touch panel, writing, and grasping and handling paperwork might
put strain on the hand's fine motor functions that could lead to pain, swelling, and numbness that
persists in the affected area even when it is at rest.
Tips to Keep in Mind
- Avoid sustained repetition without breaks. Take micro breaks throughout the operating session,
including exercises
- Avoid sitting in one position for long periods of time.
- Be aware that working in an awkward position could cause discomfort or stress to the back, neck
or shoulders .
- Learn to fidget creatively by stretching, changing posture, and alternating between sitting and
standing .
- When typing or tapping, ensure a neutral or straight wrist position by aligning the chair, work
surface, and the product
- Adjust chair height so that the feet rest comfortably on the floor with thighs parallel to the floor.
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