To evaluate the reproducibility of variable corneal compensation (VCC) and the effect of accommodation, cycloplegia, eye selection, focus, and pupil size on this measurement of polarization. The ...

The iris is a structure behind the transparent cornea of the eye. It has a circular opening called the pupil that changes size in response to the light level. Your pupils are usually the same size as ...

Researchers at the University of California (UC) San Diego School of Medicine say that with further developments measuring how quickly a person’s pupil dilates while they are taking cognitive tests ...