A STUDY of the structure of the vitreous body has been made by means of phase-contrast microscopy. Shortly after work began, Schwarz and Schuchardt (1950) described the structure of the vitreous of various animals using this method as well as dark-ground illumination. However, it was thought worth while to continue our study as we were specially interested in trying to determine the chemical na...

The aim of the study is to clarify the vitreous body structure and liquefaction phenomena. It was found that when melting a frozen rabbit vitreous body, the gel-sol transition phenomenon occurs and the gel structure is broken. This is almost like the liquefaction of the vitreous body in vivo. We try to clarify the liquefaction phenomenon by using this animal model. The native vitreous body has ...

Figure 2. MRE Results. a) Magnitude image of the porcine globe imbedded in a bovine-gelatin substrate. b) Up-down sensitized wave image, showing the mode-conversion of 10-Hz longitudinal waves at the corneoscleral surface and propagation of the resulting shear waves inside the vitreous body. c) Shear stiffness map generated with a local frequency estimation algorithm, yielding an average stiffn...

AN attempt has been made to find the cells of origin and the time of origin during development of the vitreous hyaluronic acid. The adult vitreous body of those species so far examined seems to owe its characteristic jelly-like properties to the presence of small amounts of an insoluble collagen-like protein laid down in fibrous lamellae and a low concentration of hyaluronic acid. Earlier work ...