Database administrators frequently:

• Sit for long periods of time.
• Repeat the same movements.

It is important for database administrators 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 database administrators to be able to:

• See details of objects that are more than a few feet away.