Introduction The human eye is a remarkable optical instrument ( ). Its performance has been honed by millennia of evolution to meet admirably the needs of the neural system that it serves. At its best, few human-engineered photographic lens systems…
Introduction A critical aspect of contact lens practice is monitoring the ocular response to lens wear, which ranges from acceptable physiological changes to adverse pathology. To do this, practitioners must possess a thorough understanding of the normal structure and function…
Introduction We cannot continue these brilliant successes in the future, unless we continue to learn from the past . Calvin Coolidge, inaugural US presidential address, 1923 Coolidge was referring to the successes of a nation, but his sentiment could apply…