Whensoever Moses is read (hēnika an anaginōskētai Mōusēs). Indefinite temporal clause with hēnika an and the present passive subjunctive.
A veil lieth upon their heart (epi tēn kardian autōn keitai). Vivid and distressing picture, a fact that caused Paul agony of heart (Rom 9:1-5). With wilful blindness the rabbis set aside the word of God by their tradition in the time of Jesus (Mar 7:8.).