In this study we describe a measurement method which closely approximates in vivo retinal thickness. Using this method we examined the laminar organisation of vascular and avascular retinae from placental and marsupial mammals. Thickness measurements on retinal wholemounts show that the avascular retinae of the placental guinea pig (140 microns) and the… (More)
Intraretinal blood vessels are present in some and absent in other vertebrate species, including the mammals. Among the marsupials, both vascular and avascular retinae are seen. We determined the funduscopic appearance of the eye, investigated the functional aspects of ocular blood flow in both types of retina in marsupials and compared our results with… (More)
PURPOSE To compare the conventional (Humphrey 24-2) automated visual field testing with the Goldmann standard visual field test for driving, and to predict how many patients with glaucoma may not meet the Australian driving standard with respect to visual fields. METHODS Four patients (retinitis pigmentosa, glaucoma or vigabatrin treatment) with marked… (More)
Focal electrical stimulation of the midlateral posterior hypothalamus in the rat produces rapid shallow respiration accompanied by a rise in arterial blood pressure. Stimulation of presumably intrinsic neurons only by glutamate induces slower deeper respiration associated with a fall in blood pressure.