A 45-year-old male patient is scheduled for a routine occupational health examination required for his job as an electrician. The medical assistant is instructed to include a test that assesses the patient's ability to differentiate colors to ensure his safety while working with colored electrical wires. What is the BEST method to evaluate this patient's color vision capabilities?
Conducting the Hardy-Rand-Rittler test
Using the Snellen chart
Performing the Farnsworth Lantern Test
Administering the Ishihara test