Title: An Essay Towards a New Theory of Vision
Author: George Berkeley
Release Date: December, 2003 [Etext #4722]
[Yes, we are more than one year ahead of schedule]
[This file was first posted on March 7, 2002]
Edition: 10
Language: English
Character set encoding: ASCII
The Project Gutenberg Etext of An Essay Towards a New Theory of Vision
by George Berkeley
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An Essay Towards a New Theory of Vision
by George Berkeley (1685-1753)
CONTENTS
Sect.
1 Design
2 Distance of itself invisible
3 Remote distance perceived rather by experience than by sense
4 Near distance thought to be perceived by the ANGLE of the OPTIC AXES
5 Difference between this and the former manner of perceiving distance
6 Also by diverging rays
7 This depends not on experience
8 These the common accounts, but not satisfactory
9 Some IDEAS perceived by the mediation of others
10 No IDEA which is not itself perceived, can be the means of
perceiving another
11 Distance perceived by means of some other IDEA
12 Those lines and angles mentioned in optics, are not themselves
perceived
13 Hence the mind does not perceive distance by lines and angles
14 Also because they have no real existence
15 And because they are insufficient to explain the phenomena
16 The IDEAS that suggest distance are, 1st, the sensation arising from
the turn of the eyes
17 Betwixt which and distance there is no necessary connection
18 Scarce room for mistake in this matter
19 No regard had to the angle of the OPTIC AXES
20 Judgment of distance made with both eyes, the result of EXPERIENCE
21 2ndly, Confusedness of appearance
22 This the occasion of those judgments attributed to diverging rays
23 Objection answered
24 What deceives the writers of optics in this matter
25 The cause why one IDEA may suggest another
26 This applied to confusion and distance
27 Thirrdly, the straining of the eye
28 The occasions which suggest distance have in their own nature
no relation to it
29 A difficult case proposed by Dr.
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