with the naked eye

the naked eye

Normal vision that has not been enhanced or augmented in any way. Because bacteria are invisible to the naked eye, it was only relatively recently in human history that we even became aware of their existence. The fine print is so tiny, you can barely make it out with the naked eye.
See also: eye, naked

with the naked eye

with eyes that are not aided by telescopes, microscopes, or binoculars. The moon is quite visible with the naked eye. Bacteria are too small to be seen with the naked eye.
See also: eye, naked
References in classic literature ?
We passed her within earshot, without a hail, reading each other's names with the naked eye.
He enjoyed, in common with Moestlin, Kepler's professor, the rare faculty of distinguishing the satellites of Jupiter with the naked eye, and of counting fourteen of the stars in the group of Pleiades, the remotest of them being only of the ninth magnitude.
For instance, one sees with the naked eye a cabin up there beside the glacier, and a little above and beyond he sees the spot where that red light was located; he thinks he could throw a stone from the one place to the other.
On their skin you cannot even distinguish the circulating veins with the naked eye.
Qatar residents will be able to see Saturn and moon together with the naked eye over eastern horizon of Doha from 1:37am until before sunrise time, Dr Marzouk added.
It will be their first synchronized occurrence in 36 years that can be seen with the naked eye, the Korea Meteorological Administration said.
These astronomical phenomena are important because they offer a good chance to observe these planets and the moon together at the same time with the naked eye or through digital cameras, and also act as a guide for amateur astronomers to learn about the map of the sky and validate astronomical calculations, noted astronomer Dr Beshir Marzouk has said.
Night Sky with the Naked Eye is a well-conceived, well-written collection of topics and tasks organized around naked-eye observing.
With the naked eye examination 21 of 50 and with the (Dental operating microscope) DOM examination 30 of 50 MB-2 canal orifices were detected in maxil- lary first molar (Table 1).
According to the scientific journal International Comet Quarterly (ICQ), an astronomical object with a -4 could be easily seen with the naked eye even from large cities.
Look with the naked eye or binoculars; it should be visible until the end of March.
Experts from the Bulgarian observatory Stellar Society - IAU A79 have told local media that it will be seen with the naked eye just before sunrise in the country on November 29, 2013.
GMT) on July 15 I could see the old crescent Moon very easily with the naked eye high in a rich blue sky.
A spokesman from BAE Systems, said: "A vehicle with Adaptiv on can be seen very slightly with the naked eye.
Visible planets The three inner planets in the Gliese system would be visible with the naked eye from the surface, and they would have phases, similar to the progression of the moon cycle as seen from Earth.