The craniofacial region is a complex association of bone structures and soft tissue through which numerous essential neurovascular and sensory structures pass. Remodeling by pathologic processes and previous treatments often…
Computer-assisted surgery consists in using the calculation power, data storage and graphic display capabilities of microcomputers to make a real-time match between the spatial coordinates of sensors affixed onto an…
From stereotactic frames to image-guided surgery B. Lombard In the history of medicine, the advent of a new technology has often heralded a leap forward, either by enhancing the physician’s perceptual…
Introduction and historical background Perimetry and visual field testing have been used as diagnostic procedures for evaluation of visual function for approximately 200 years. A historical review of these techniques…
Visual acuity is a measure of the keenness of sight. The Egyptians used the ability to distinguish double stars as a measure of visual acuity more than 5000 years ago….
Introduction The vision of newborn infants is crude. As infants experience the normal visual environment, their vision rapidly improves, with different visual capabilities emerging at different ages. Determining the exact…
Introduction “No question relating to vision has been so much debated as the cause of the single appearance of objects seen by both eyes” (Charles Wheatstone, 1838 ) The question…
Our visual perception arises from the interpretation of light information, which varies in space, wavelength, and time. It is the latter of these attributes that is explored in this chapter….
The limited behavioral repertoire of the infant and the impossibility of instructing the test participant have made it necessary for vision scientists interested in human visual development to adapt the…
Introduction The preceding chapters have described how visual signals pass from the retina to the visual regions of the brain. In this chapter we discuss how processing of these signals…
