What is the function of the hyaloid canal?

The hyaloid canal is a small, fluid-filled channel located in the vitreous body of the eye, extending from the optic disc to the lens. Its primary function is to house the hyaloid artery during fetal development, which supplies nutrients to the developing lens and retina. After birth, the artery usually regresses, leaving the canal as a remnant, but it may play a role in the maintenance of vitreous structure. Its presence is more of an anatomical feature rather than a functional necessity in adults.