to assess ultrastructural alterations to the corneal endothelium , eye drops containing vehicle alone or vehicle plus 0.004 % thimerosal with or without 0.1 % disodium ethylenediaminetetraacetate ( na2edta ) were administered hourly over a 2-day period to rabbit corneas in vivo .
C0014259
corneal endothelium
C0010031
corneas