"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 ...

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

They also betray mental and emotional commotion within. In fact, pupil dilation correlates with arousal so consistently that researchers use pupil size, or pupillometry, to investigate a wide range of ...

While the equipment at NTID Eye Clinic is limited, the ophthalmologist is able to perform full eye exams with pupil dilation, retinal exams, and write prescriptions. The doctor is also instrumental in ...

A study from the University of São Paulo evaluated the effectiveness of 12 models and found that only one met the safety limits established by an international organization. Solar ultraviolet (UV) ...

That coloured circle is called the iris and the black spot in the middle is the pupil. This is the part of the eye that lets the light in. Lights out please! When it’s dark, muscles in the iris ...

Bipolar disorder may be linked to certain eye changes, such as pupil size, eye brightness, and eye movements. Some changes may be linked to certain mood episodes, such as mania or depressive episodes.