A pupil is the opening created by the iris, which widens and narrows to control the amount of light that enters the eye. Pupil size can vary between people, but they should be round, equal in size ...

For a full list of drugs that can dilate your pupils, see here. 4. Brain injury The nerve fibers that control the size of your pupil are within a larger nerve that originates in your brainstem ...

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

or the nerves that control the muscles of the iris. Conditions that can cause miosis include: Drugs that can cause constricted pupils include: While miosis means you have extremely small pupils ...

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.

California’s Supreme Court issued one of its most important and far-reaching decisions, declaring that the state’s system of financing public schools — primarily via locally ...

More than a third of secondary teachers have reported misogynistic behaviour from pupils at their school in the last week, a ...