Sentence examples for the pupil which from inspiring English sources

To harm your eye the laser needs to shine through the pupil, which highlights the most difficult part of raising safety awareness.

Kepler wrote that every point on a luminous body in the field of vision emits rays of light in all directions but that the only rays that can enter the eye are those that impinge on the pupil, which functions as a diaphragm.

Second, there must be a benefit to the pupil, which there clearly is.

The accuracy of measurements depends on the number of pixels covered by the pupil, which depends upon the optics of the system.

The diameter of the pupil, which is not directly used in the adaptive optics control algorithm based on pupil tracking, is also estimated by the pupil tracker as it provides a useful insight on the pupil dynamics.

An ideal eye limited only by diffraction shows the smallest spot size or point spread function on the retina for the largest diameter of the pupil, which is 7-8 mm for a dilated eye (or less for older eyes), whereas the best result in typical eyes afflicted with aberrations can be accomplished for a pupil diameter of 2-3 mm [ 6].

God Save the Pupils, which opened this week at the Dean Clough gallery, displays artefacts from London schools collected by Guy Tarrant, an artist and part-time supply teacher.

But despite dealing with difficult issues, giving his young characters cigarettes to smoke and guns to tote, it's the friendship between the pupils which lies at the heart of Return to Ribblestrop.

Clive Stevens, chairman of the gallery's trustees, adds that the project will also train 40 parents as "creative enablers" to help the pupils, which leads to a City and Guilds qualification.

He went on to explain how the sympathetic nervous system responds to fear or arousal, including enlarging the pupils, which, in this case, he continued, added another erotic quality to the portrait.

I tended to defer to the pupils, which is fatal.