*Bumblebees* are important pollinators, and their vision is essential for their ability to find flowers and collect nectar. Previous studies have shown that larger bumblebees have better vision than smaller ones, but the reasons for this difference have not been clear.

*A new study* from the University of Bristol in the United Kingdom used 3-D models of bumblebee eyes to investigate this question. The researchers found that larger bumblebees have a higher density of photoreceptors in their eyes, which allows them to see images with greater detail. In addition, larger bumblebees have a larger visual field, which allows them to see a wider range of objects at once.

The researchers believe that these advantages give larger bumblebees a competitive advantage over smaller ones when it comes to finding food. They also suggest that the findings of the study could be used to develop new technologies that improve the vision of humans and other animals.

Key findings:

* Larger bumblebees have a higher density of photoreceptors in their eyes, which allows them to see images with greater detail.

* Larger bumblebees have a larger visual field, which allows them to see a wider range of objects at once.

* These advantages give larger bumblebees a competitive advantage over smaller ones when it comes to finding food.

Potential applications:

* The findings of the study could be used to develop new technologies that improve the vision of humans and other animals.

* For example, the researchers suggest that the principles of bumblebee vision could be used to design new lenses for eyeglasses and contact lenses.

* The findings could also be used to develop new imaging technologies, such as cameras and microscopes.