ta.chach describes eyes being smeared so that they cannot see.

The lone attestation describes a completed smearing of the eyes in a clause explaining inability to see.

1. Smearing that prevents sight · dominant

   In Isaiah 44:18, the Qal perfect masculine singular form occurs in the clause about eyes being smeared and the resulting inability to see; the APB renders the verse, "for their eyes are smeared so they cannot see."

   Isaiah 44:18

In the Anselm Project Bible: In Isaiah 44:18, the APB presents the clause as eyes being "smeared so they cannot see." Its precise English wording cannot by itself isolate the term's contribution.