Full Idea
When we press the eyeball at one side the forms, figures and sizes of the objects appear oblong and narrow.
Gist of Idea
If we press the side of an eyeball, objects appear a different shape
Source
Sextus Empiricus (Outlines of Pyrrhonism [c.180], I.47)
Book Reference
Sextus Empiricus: 'Outlines of Pyrrhonism', ed/tr. Bury,R.G. [Prometheus 1990], p.30