with the naked eye

They looked better than what he'd been able to see with the naked eye.

Here was a new fact about nature that could be seen with the naked eye.

We looked above but with the naked eye there was nothing to be seen.

It may be too small to see with the naked eye.

It was now close enough to make out with the naked eye.

It cannot be seen from Earth with the naked eye.

It was much too fine for him to read with the naked eye.

"Not everything can be seen with the naked eye," she said.

Things perceived not with the naked eye but through the mind.

"Nothing was noticed with the naked eye at the time."

These eggs are so small they cannot be seen with the naked eye.

Some found are 0.5 mm large, big enough to be seen with the naked eye.

From there, even with the naked eye, I had a clear view of the target.

"You may not be able to detect them with the naked eye."

This is bright enough to be seen with the naked eye.

By now, the object was near enough to be seen clearly with the naked eye.

Certainly they would never see it on radar or with the naked eye.

Even with the naked eye he could see figures across the river moving about in the open.

It is, as a result, not visible with the naked eye.

The area was so striking that it could be seen with the naked eye.

One was so close they could see it as a disc with the naked eye.

He'd have to be a bit closer before he could spot it with the naked eye.

It can even be seen with the naked eye under particularly dark skies.

Now he could see the pilot boat with the naked eye.

Jupiter can be seen with the naked eye, without any special equipment.