Noun
English Wikipedia has an article on:vitreous humourWikipedia
vitreous humour (plural vitreous humours)
(ophthalmology, Britain, Canada) The clear gel that fills the eyeball between the lens and the retina.
"Dalton believed that his vitreous humour possessed an abnormal blue tint, causing his anomalous colour perception, and he gave instructions for his eyes to be examined on his death, to test this hypothesis. Source: Internet
The lack of oxygen in the retina causes fragile, new, blood vessels to grow along the retina and in the clear, gel-like vitreous humour that fills the inside of the eye. Source: Internet