1. naked eye - Noun
2. naked eye - Adjective
the eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects
Source: WordNetnaked-eye
Electricity is actually made up of extremely tiny particles called electrons, that you cannot see with the naked eye unless you have been drinking. Dave Barry
Cooking is about passion, so it may look slightly temperamental in a way that it's too assertive to the naked eye. Gordon Ramsay
The pinpoints of starlight we see with the naked eye are photons that have been streaming toward us for a few years or a few thousand. Brian Greene
It's of no use whatsoever. This is just an experiment that proves Maestro Maxwell was right-we just have these mysterious electromagnetic waves that we cannot see with the naked eye. But they are there. Heinrich Hertz
What goes down on film is different to what you see with the naked eye. Christopher Eccleston
One of my challenges was to try to photograph the Great Wall of China. And I did actually take some photos, but it was hard to discern the wall with the naked eye. Leroy Chiao