From Longman Dictionary of Contemporary Englishthe naked eyethe naked eyeSEEif you can see something with the naked eye, you can see it without using any artificial help such as a telescope or microscopewith the naked eye It’s just about possible to see the planet with the naked eye on a clear night.visible/invisible to the naked eye Dust mites are tiny creatures, invisible to the naked eye. → eye
Examples from the Corpus
the naked eye• What looked like individual lights to the naked eye actually split into two under the resolving power of the telescope.• Today, poverty is still obvious to the naked eye.• Technical problems To the naked eye the brain has a disturbingly homogeneous appearance.• The comet will be visible to the naked eye.• To the naked eye, the bolts looked just like the others that protruded from other footings around the site.• At the same time, they became the first men to see the reverse side of the Moon with the naked eye.• He examined the pieces with the naked eye, then with his glass, while behind him Isobel held her breath.• There are even several, in addition to the Pleiades, which can be seen with the naked eye.• The magnification is usually at least thirty times greater than what is normally seen with the naked eye.the naked eyethe naked eyeif you can see something with the naked eye, you can see it without using anything to help you, such as a telescopevisible to/with the naked eye The mite is just visible to the naked eye. Through his telescope he could see millions of stars that were invisible to the naked eye. → nakedExamples from the Corpus
the naked eye• At the same time, they became the first men to see the reverse side of the Moon with the naked eye.• The magnification is usually at least thirty times greater than what is normally seen with the naked eye.• There are even several, in addition to the Pleiades, which can be seen with the naked eye.• Today, poverty is still obvious to the naked eye.• What looked like individual lights to the naked eye actually split into two under the resolving power of the telescope.• To the naked eye, the bolts looked just like the others that protruded from other footings around the site.• Technical problems To the naked eye the brain has a disturbingly homogeneous appearance.• He examined the pieces with the naked eye, then with his glass, while behind him Isobel held her breath. 