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. Certainly, certainly, not a light spot will disfigure the tulip which I have called into existence.
According to the centre, the crescent can be seen using optical aid on August 30 in select countries in North and South America, whereas it can be seen with the naked eye in most countries in the world on August 31.
The possibility of sighting the moon for the month of Eid al Adha will be very difficult on Thursday with the naked eye, but it could be possible through astronomical telescopes, the Ministry of Awqaf and Religious Affairs (MARA) has said.
Here's how to spot Jupiter with the naked eye in the UAE in June
They can view Saturn and the moon together with the naked eye over the southwest horizon of the Qatar sky from sunset time (5.38pm) until the setting time of Saturn (11.16pm).
Some experts argue that it might be wrong to take decisions based on the moon sighting with the naked eye. Some say that even if the crescent is not visible to the naked eye, it might still exist.
Qatar residents will be able to see Saturn and moon together with the naked eye over eastern horizon of Doha sky from Saturn rise time at 10pm until before sunrise time on Saturday, said astronomy expert at QCH Dr Beshir Marzouk.
It will be their first synchronized occurrence in 36 years that can be seen with the naked eye, the Korea Meteorological Administration said.
Night Sky With The Naked Eye: How to Find Planets, Constellations, Satellites and Other Night Sky Wonders Without a Telescope
Its first component launched into orbit in 1998, and the ISS is now the largest artificial body in orbit and can often be seen with the naked eye from earth.
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.