Editor’s note: The views expressed in this commentary are solely those of the writer. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news ...

Eyesight, or vision, is the ability to see. Lifestyle factors such as eating a well-balanced diet, regular physical activity, taking screen breaks, and avoiding smoking can support eye and vision ...

Laughter may be as effective as eye drops in improving symptoms of dry eye disease, finds a clinical trial from China published by The BMJ today. The researchers suggest that laughter exercise could ...