The language of cause and effect is highlighted in red: The writer is asserting that staring at a computer screen for long periods -> blinking less often -> eyes becoming too dry -> eye disease.

Key Points Fishbone diagrams are an effective way to brainstorm root causes for a potential problem. They are especially useful when there isn’t much data available to analyze the problem.

“Happy is he who is able to know the causes of things.”— Virgil The idea that one needs to do an experiment—a controlled perturbation of a single variable—to assign cause and effect is ...