Dr. Rosen answers the question: 'How Does the Eye Function?' Aug. 24, 2009— -- Question: What are the key parts of the eye that help it function properly? Answer: The eye is like a camera : The ...

The function of the visual photopigment rhodopsin and its action in the retina to facilitate vision is well understood. However, there remain questions about other biological functions of this family ...

The Gazette offers audio versions of articles using Instaread. Some words may be mispronounced. This story first appeared in Healthy You - January 2026, The Gazette’s quarterly health publication. The ...

The vitreous humor is a gel-like liquid between the lens and the retina. It is an essential part of the eye. It helps the eye keep its shape and absorbs shock. It also maintains correct oxygen levels ...

Iron is an essential mineral that plays a critical role in overall health, particularly in maintaining healthy eyes and clear vision. It is a key component of haemoglobin, the protein in red blood ...

Essential mineral iron is vital for clear vision, aiding oxygen transport to eyes and protecting against damage. Deficiency can lead to fatigue, blurred vision, dry eyes, and increased risk of ...