When measuring incomitant deviations with prisms with each eye âfixing,â it is imperative to switch the prism to always be before the non-fixing eye. Otherwise the âfixingâ eye behind the prism will not truly be looking in the intended direction, and major measurement errors can occur.
Gestalt is a general description for the concepts that make unity and variety possible in design. It is a German word that roughly translates as whole or form.. Gestalt theory is involved with visual perception and the psychology of art among other things.
Borrowing from German Gestalt (âshape, figure, formâ). The German term can also apply to a geometric or graphical shape, but that is not the case when this word is used in English.