Please provide your email address to receive an email when new articles are posted on . For all people, pupil size has an important role in balancing incoming light with depth of field to optimize ...

Please provide your email address to receive an email when new articles are posted on . Lee, the chair of the Department of Ophthalmology at Houston Methodist Hospital, said a relative afferent ...

His gaze softens as he draws closer to you. With one hand around your waist and the other cradling your jaw, he pulls you in. You look into his eyes, and notice his pupils have grown large and hungry.