a simple vista

= by the naked eye, superficially, on first thought

Ex. A macroform is a generic term for any medium, transparent or opaque, bearing images large enough to be easily read by the naked eye.

Ex. An index based on term cards appears superficially little different from an ordinary card index.

Ex. On first thought, it might appear that an author would be the best person to write the abstract, since presumably he or she knows more about the paper than anybody else.

* * *

= by the naked eye, superficially, on first thought

Ex: A macroform is a generic term for any medium, transparent or opaque, bearing images large enough to be easily read by the naked eye.

Ex: An index based on term cards appears superficially little different from an ordinary card index.

Ex: On first thought, it might appear that an author would be the best person to write the abstract, since presumably he or she knows more about the paper than anybody else.