visual range: distance at which a given standard object can be seen with the unaided eye
visibility: quality or fact or degree of being visible; perceptible by the eye or obvious to the eye
apocrypha: 14 books of the Old Testament included in the Vulgate (except for II Esdras) but omitted in Jewish and Protestant versions of the Bible; eastern Christian churches (except the Coptic Church) accept all these books as canonical; the Russian Orthodox Church accepts these texts as divinely inspired but does not grant them the same status