What happens to corneal endothelium after injury?

(Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 95 - 96)The cell density of endothelium is around 3000 cells/mm2 in young adults, which decreases with the advancing ageCorneal endothelium does not regenerate but adjacent cells slide to fill in a damaged area.Endothelium studied by specular microscope.