Nutrients are delivered and waste products are carried awa…

  Nutrients are delivered and waste products are carried away from the cells of the posterior segment of the eye by blood vessels. However, the cells in the cornea and lens (in the anterior segment) are avascular (=no vasculature or blood vessels).  Which is the best explanation for how these cells are maintained?  

  Blood vessels that supply nutrition to most of the eyes…

  Blood vessels that supply nutrition to most of the eyes’ structures (excluding the lens and cornea); can be annoying when needing a flash to take those beautiful profile pics for your social media fixation.