In 1957, Otto Lowenstein a professor at Columbia University in the United States, developed one of the world’s first pupillometry devices, using infrared to measure the pupil’s diameter.

Dilation and constriction of the pupils reflect not only changes in light intensity but also ongoing mental activity. The response is a measure of interest, emotion, thought processes and attitudes ...

readings may still be acquired using the small pupil mode. Up to 10 measurements of Refractometry and Keratometry may be stored for each eye. The three-dimensional tracking system of the RK-F2 ...

The DfE argue that Progress 8 is a fair measure as it accounts for school intake attainment differences in pupils’ Key Stage 2 test scores. However, Progress 8 ignores school intake differences in all ...

the children will carry out two simple measurements in the morning and afternoon on each of those days. In the morning, give each pupils a copy of the Karolinska Sleepiness Scale. Eachpupil ...

The U.S.’ ranking is pulled higher by its high spending on college education, which includes dollars dedicated for research and development and is second after Luxembourg. Looking at primary school ...

But a study published last week (March 6) in eLife shows that an objective measure—how the pupil varies in size while viewing an optical illusion—reveals differences in perceptual styles and ...