Heart diseases are the leading cause of death worldwide. While treatment is available, early diagnosis is the best course of ...

Atropine , which treats problems with heart rhythm, stomach issues, and some types of poisoning; Antihistamines, ... How to protect your eyes when the pupils are dilated.

The medical term for pupils of different sizes is anisocoria. Find out about the possible causes of anisocoria here, as well as when to seek emergency treatment.

New research suggests your pupils may reflect how clearly you remember something. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday.

Rayna Bell, a herpetology expert and curator at the California Academy of Sciences, told Snopes it's true that some frogs have heart-shaped pupils, adding that the photo in question appears to be ...

Eye-opener: Pupils enlarge when people focus on tasks. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2024 / 04 / 240422170805.htm ...

Retinal artery occlusion, or eye stroke, can cause sudden and permanent vision loss. Learn about its causes, symptoms, and treatment.

The look of love. The yellow-bellied toad is sure to win the hearts of even the most hesitant of anuran appreciators, being an adorable little amphibian with heart-shaped pupils.

Opioids usually makes a person's pupils constrict. In the long term, it can lead to long-term damage to the eyes. Learn more.