naked eye

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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

*naked eye

the human eye, unassisted by optics, such as a telescope, microscope, or spectacles. (*Typically: appear to ~; look to ~; see with ~; visible to~.) I can't see the bird's markings with the naked eye. The scientist could see nothing in the liquid with the naked eye, but with the aid of a microscope, she identified the bacteria. That's how it appears to the naked eye.
See also: eye, naked

naked eye

Sight unassisted by an instrument such as a microscope or telescope. For example, These insects are too small to be seen with the naked eye. This expression was first recorded in 1664.
See also: eye, naked
References in periodicals archive ?
Next month I'll explore more beautiful myths surrounding M44 and describe ways you can better enjoy the hive with the naked eye.
Ramotowski could see Venus with her naked eye and Mercury with 8 x 56 binoculars until clouds interfered around 4:35 p.
Under the right conditions, and with good fortune, some keen-eyed observer might become the first person to report seeing Mercury in the daytime with the naked eye.
At each site, observers with different skill levels and optical instruments--from naked eyes to large telescopes--would note what celestial objects of various types they can see on a clear, moonless night in the Christmas season.
Mars will come close to the moon on March 10, where it will be at three degrees from the southern moon's centre and Qatar residents can watch this event with naked eye over the eastern horizon of Doha sky from 5am to 5:49am.
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.
When I showed a homemade solar filter to my astronomy club, one of the members asked me a question I couldn't answer: If the filter provides a relatively bright view when you look through it, and the light enters the telescope through the entire aperture of the filter, with it all directed to my naked eye, why doesn't the concentrated light increase the brightness to an unsafe level?
Tekno AVR, the leading electronic gadget manufacturer is about to launch the most stylish and elegant naked eye 3D smartphone in India.
The Met Office website stated that the Zil-hajj moon would be visible to the naked eye in Karachi for 40 minutes after sunset today.
You can't see it on the video but to the naked eye it was very smooth and curved, it even kind of split into two.
The purpose of this study was to evaluate the effectiveness of naked eye examination and Dental-operating microscope (DOM) examination for the location of second mesiobuccal canal (MB-2) in extracted maxillary first and second molars considering the sectioning of the tooth as gold standard for the location of MB-2.
Edinburgh, Nov 21 ( ANI ): Golf's two governing bodies, R and A and USGA, have reportedly decided not to penalise players from January 1, 2014, under the Rules of Golf if their ball moves and it was not obvious to the naked eye.
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.
Predicted to be visible to the naked eye, object comet C/2011 L4 Pan-STARRS is set to make an appearance.