Photonics engineers frequently:

• Sit for long periods of time.

It is important for photonics engineers to be able to:

• See details of objects that are less than a few feet away.
• Speak clearly so listeners can understand.
• Understand the speech of another person.

It is not as important, but still necessary, for photonics engineers to be able to:

• See details of objects that are more than a few feet away.
• See differences between colors, shades, and brightness.
• Hold the arm and hand in one position or hold the hand steady while moving the arm.
• Use fingers to grasp, move, or assemble very small objects.
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• Make quick, precise adjustments to machine controls.
• Use one or two hands to grasp, move, or assemble objects.
• Determine the distance between objects.
• Hear sounds and recognize the difference between them.