It also produces the clear liquid (aqueous humor) that fills in the gap between your iris and cornea Choroid layer, tissue between the white outer layer of the eye and the retina that has blood ...

increasing blood flow to the head and slowing venous circulation in the eye, which likely causes the choroid, the vascular layer nourishing the retina, to expand. Weightlessness may lead to ...

According to the researchers, the expansion of the choroid during weightlessness could stretch the collagen in the sclera, the white outer layer of the eye, causing long-lasting changes in the eye ...

In this film, Dr Ben Price explains the intricate workings of human eyes. By comparing our eyes to those of dragonflies, he reveals humanity's unique way of seeing. 1. The image projected onto the ...