My heart panteth, my strength faileth me: as for the light of mine eyes, it also is gone from me. My heart panteth - סחרחר secharchar, flutters, palpitates, through fear and alarm.
My strength faileth - Not being able to take nourishment.
The light of mine eyes - is gone - I can scarcely discern any thing through the general decay of my health and vigor, particularly affecting my sight.