| 74 | 75 | 76 | 77 | 78 |
| 1 | 306 | 613 | 919 | 1225 |
|
the eye.
7
3.
The object which is opposite to the pupil of the eye is seen by that
pupil and that which is opposite to the eye is seen by the pupil.
Refraction of the rays falling upon the eye (74. 75)
7
4.
The lines sent forth by the image of an object to the eye do not
reach the point within the eye in straight lines.
7
5.
If the judgment of the eye is situated within it, the straight lines
of the images are refracted on its surface because they pass through
the rarer to the denser medium. If, when you are under water, you
look at objects in the air you will see them out of their true
place; and the same with objects under water seen from the air.
The intersection of the rays (76-82).
7
6.
7
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