By: Jim Virkler; ©2013 Curiosity about the physiology of the eye and the function of human vision leads us to inquire more deeply about how such wonders came to be.…
By: Jim Virkler; ©2014 To those who have a sense of wonder about works of the Creator, one may look no further than the birth of a human child. Contemplating…
By: Jim Virkler; ©2014 Samuel Taylor Coleridge (1772-1834), English poet and philosopher, stated, “The history of a man for the nine months preceding his birth would, probably, be far more…
By: Jim Virkler; ©2012 One of our foremost cultural icons is our virtual fixation on youthful health, strength, and attractiveness. Mature citizens are proud if their appearance remains youthful. Those…
By: Jim Virkler; ©2012 Do you get the picture? This familiar idiom asks if the listener understands a situation clearly. In terms of understanding literal visual pictures, that is, understanding…
By: Jim Virkler; ©2012 Discussion of the more technical aspects of eye anatomy, including the path of light through the eye–cornea, aqueous humor, lens, and vitreous humor, along with the…
By: Jim Virkler; ©2012 As we review the biological principle of “Form fits Function,” there is no better example than the remarkable sense of human light detection. Without the functional…
By: Jim Virkler; ©2012 In the current series of posts on human sight, this title may seem irrelevant at first glance. An explanation is in order. Perhaps you have been…
By: Jim Virkler; ©2012 Human sight is an ultimate production of the brain. As I look across the room from my computer keypad there would be no cognizance of the…
By: Jim Virkler; ©2012 One entire chapter of John’s gospel is devoted to a remarkable story of physical and spiritual healing. The ninth chapter of John chronicles the story of…
