Mydriatic eye drops (used in eye exams), medications such as anticholinergics, and trauma to the eye can all cause your pupils to dilate. A migraine, brain injury, or sexual attraction also can ...

Can I drive after those drops, doctor? Eye 1998;12: ... Murray PI . The effect of pupil dilation with tropicamide on vision and driving simulator performance. Eye 2000;14:302–6.