<prompt> Corneal endothelial cell count is measured by -Specular microscopeOphthalmoscopeSynoptophoreAmslers grid  <response>: Ans. is a i.e., Specular microscope o Corneal endothelium is examined with specular microscope, which allows a clear morphological study of endothelial cells including photographic documentation.o The cell density of endothelium is around 3MHI cellsmm2 in young adults, w hich decreases with advancing age. 