chapter  11
Eyes _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
ByHeather Gray
Pages 64

This structure is believed to play a role in the filtration of light through the pupil. The normal equine lens has prominent Y sutures and needs to accommodate less than 2D to maintain a focused image on the retina. Persistent hyaloid artery remnants are common in the equine neonate and may contain blood in the first few hours after birth; however, they usually disappear by 3-4 months of age.