Differences in FAA Medical Exam Classes

How are the medical exams for the different classes different? Is there any actual difference in the exams themselves, or do they just expire at different times?

I just got a Class 2 and it didn’t seem any “tougher” than the Class 3 I got 18 years ago.

Hey Needlenose,

Check out flightphysical.com/Exam-Guide/Synopsis.htm and
flightphysical.com/pilot/pilotfaq.htm

Hope this helps!

Allen