a. 1395. Hylton, Scala Perf., II. xl. (W. de W., 1494). Whan he sheweth him the soule may not vnsee hym, for he is lyghte.
1865. J. Grote, Explor. Philos., I. 243. We cannot unsee the prospect before us.
1871. Kingsley, At Last, xvii. At last we had seen it; and we could not unsee it.