Instead of a film, you have a retina in the back, with photoreceptor cells, and this makes the eye a very fascinating organ. Furthermore, various animal groups have evolved very different types of ...

Medically reviewed by Christine L. Larsen, MD The three types of eye care professionals are optometrists, ophthalmologists, ...

Copper eyes in cats are a deep orange colour that can look like it has light brown in it. These are rare and striking ...

Clear vision is what allows us to experience the world in vivid detail and navigate our daily lives with ease. But there are hundreds of eye diseases, from common conditions such as cataracts ...