Week 3 Is Perception Accurate?

Descartes struggles with the idea that individual perception is often inaccurate. Do you believe that others perceptions of the world are often inaccurate, do you believe your perceptions of the world to be inaccurate or accurate. Can we accurately say that the "Blue" that I see is the same "Blue" that you see. We were all taught at one time what the color blue is but who is to say that what I call blue is not what you see as orange but call blue?

Is there an objective reality that we all experience or is it all subjective and in the eye of the beholder?