Abstract

In issue 6.1 of the Journal of Scottish Philosophy, James Van Cleve describes Thomas Reid's understanding of double vision and then presents a challenge to his direct realism found in works of David Hume based on double vision. The challenge is as follows: When we press one eye with a finger, we immediately perceive all the objects to become double, and one half of them to be remov'd from their common and natural position. But as we do not attribute a continu'd existence to both these perceptions, and as they are both of the same nature, we clearly perceive, that all our perceptions [i.e., all the things we perceive] are dependent on our organs, and the disposition of our nerves and animal spirits. (THN: 210–211)