Sentences with phrase «focused light»

The eye can no longer focus light on the retina, focusing it instead just behind and causing poor close - up vision.

To meet demands for ever smaller imaging systems, researchers are working to create entirely unconventional ways of focusing light.

The function of the lens is to focus light onto the retina.

The standard replacement lenses, however, can only focus light from distant objects, unlike the natural lens, which changes shape to focus on different distances.

Located just behind the pupil, the lens focuses light rays on the retina which can alter its shape and allow the eye to focus on objects at various distances.

For example, task lights focus light in a particular space, rather than lighting the entire room, delivering more usable light and less light overall.

A lens focused light emitted from the atom into a moving image (black arrow).

That's a downside because multiple lenses and complex controls are often needed to guide and focus light with precision.

Camera lenses can't focus light rays perfectly; points of light are rendered as spots on the image sensor rather than points.

Shades were designed to focus light downward or spread illumination throughout a space, and were constructed with durability and longevity in mind.

Use focused lighting to draw attention to key products.

When that happens, the object's gravity focuses the light of the star, which then looks brighter than normal for a few weeks or months.

The lens is responsible for focusing the light entering the eye onto the retina, where it is converted to electrical energy for processing in the brain.

The team achieved the effect by using a metal channel to focus the light inside a polymer previously investigated for use in solar panels.

Operating like a lens that focuses light along different paths, the gravity of the galaxy may make the object appear multiple; examples of such apparently double objects have been found.

That paper showed that this so - called fundamental limit of resolution was not fundamental at all, and that you could focus light way down if you used the right devices.

In this case, they are able to focus light across the visible spectrum.

And, the researchers report, their device focuses light almost as well as its biological counterpart in people.

The plasma just needs to be in the right configuration to focus the light reaching us.

You can also opt for a wall fixture that focuses its lights upwards.

A normal lens, which sits behind the pupil, is transparent and focuses light onto the retina.

The lens contains mostly water and proteins that are specially organized to focus light on the retina for clear vision.

Unfortunately, we now know today that it is impossible to focus light from an object into a single point using only one lens.

To draw attention to a piece of artwork, an adjustable LED display light installed on the ceiling to focus light in the desired area is an ideal solution.

At present, lenses and mirrors can not focus light into a beam much smaller than the light's wavelength — 500 nanometres for blue - green lasers.

Even though those glimpses proved fleeting, mere projections created by focused light beams reflected from the things of the world, the camera obscura emerged as the device of choice for painters by bringing the world directly onto the canvas.

They may also enjoy the Camera Obscura atop Castle Hill which focuses light onto a large dish in a room below, allowing for a 360 degree view of Edinburgh.

By focusing light onto nerve bundles that researchers thought ran below these «microlenses», the arrangement would allow the animal to form an image.

«Taking a photo of the retina is harder because you need to focus light through the pupil to reach inside the eye,» said Myung.

A trio of pendants provide focused light for cooking and fit in with the contemporary style of the room.

Software on the phone then interprets the data to measure refractive error — mistakes made by the eye when focussing light.

Another is an ultrathin, flat lens that focuses light without imparting the distortions of conventional lenses.

To find out whether such planets are truly rare or just hard to find, Arnaud Cassan of the Pierre and Marie Curie University in Paris, France, and colleagues turned to gravitational microlensing, in which one star focuses the light from a more distant star.

The reflectors focus the light emitted by each diode to create a powerful, uniform beam whose white light colour barely places any strain on the driver's eyes, even when driving for long distances at night.

The all - new Focus lighting technologies including Adaptive Front Lighting System that adjusts the headlight beam angle and intensity to match the driving environment, and Glare - free high beam that removes the guilt of accidentally dazzling other drivers and helps users see more of the road ahead at night, are supported by advanced full - LED headlamps that use an innovative adjustable drum configuration for greater flexibility and softer, less distracting transitions.

Adding ergonomic task lighting focuses the light on the task at hand, reduces glare, and lessens eye strain.

So does focused light from above.

A reflective surface on the back of each eye focuses light onto two retinas to form an image.

That prototype, the first of its kind, corrected for some of the aberrations of conventional lenses but suffered from the limitation of only focusing light of a single wavelength, and its focusing efficiency was small.

The scallop uses a mirror to focus light instead of a lens, to circumvent this problem,» he said.

Light passes through the clear window - like cornea on the front surface of the eye, through the dark round opening called the pupil, and enters the lens which focuses the light images onto the retina at the back of the eye.

More recently, engineers at Caltech showed that flat surfaces coated with tiny pillars of silicon could focus light like a lens.

Luke focuses the light of history on Paul, not on Peter.

You can also focus the light for detail work or widen it for scanning the area.

Ellis, his PhD student Dan Stark and their colleagues trained one of the world's biggest telescopes, the Keck 2 atop Hawaii's Mauna Kea, to scan light grazing massive clusters of closer galaxies [see image above], which focused the light coming from more ancient galaxies behind them and magnified it 20 times in a process called gravitational lensing.

The technology works by focusing sound waves inside the body to generate a tiny hot spot, much like a magnifying glass focuses light.