"In the home or at work, decreasing visual acuity can play a role to the disadvantage of the general quality of life and work due to reduced pupil dilation. If the eye has to adjust quickly to ...

which includes more than a dozen precision instruments for tracking eye movement and pupil dilation. These devices capture images of the eyes every four milliseconds, providing 250 frames per second.

A groundbreaking study has revealed that our pupils change size in sync with our breathing—a response now dubbed the "pupillary respiratory phase response." ...

During the study, changes in participants' pupils were monitored with an eye tracker ... followed by a 1-2 second pupil dilation. By comparing the time course of each pupil dilation to the ...

Changes in the characteristics of your pupils (the shape, size, and reactivity of the pupils) can provide clues about your psychological state.

Medications, trauma, and medical conditions can lead to abnormally small pupils (miosis). In miosis, the pupil is smaller than it should be, even in darkened conditions when it would typically ...

Our eyes offer clues about our mental health. Changes in pupil size may signal stress or neurological issues. Mehezabin Dordi from Sir HN Reliance Foundation Hospital highlights this connection.

Humans optimize effort expenditure even at the level of eye movements by choosing affordable eye movements over costly alternatives and adjusting gaze behavior based on task demands.

Moreover, while children grow up thinking that, like Pinocchio, their noses will get longer when they lie, adults are unaware that by looking their interlocutor in the eye they can verify the ...

Clinically a clear distinction between headache, facial pain, and eye pain is not always apparent, but when present, it helps in the diagnostic approach. In this update we will categorize pain ...