1,465 results

... at, and this only as if through a mist; at a later stage sight is reduced to virtually nothing. It may have taken a few hours, or days, or even months to develop all these symptoms. When a large portion of the retina is detached, and especially when the detachment involves ...

... of objects whose images are thrown upon his retina; that everything appears gray and indistinct, as if sur- rounded by a mist. He therefore sees objects sufficiently well to avoid ...

... to him surrounded with a thick mist; this mist disappeared by little and little: the conjunctiva re- covered its natural colour instead of the purple hue which it had before;, the exces- sive sensibility of the retina diminished;; and, at length, after a good deal ...

... of sight, accompanied by the appearances of a mist, coloured smoke, or similar phenomena, before the eyes, which sometimes occurs in persons with a weak nervous system, and which is a state of temporary exhaustion of the retina A person in perfect health may indeed induce ...

... fact, proportional to the other. Thus a slight mist, which gives the idea of increased distance, will also augment the apparent size; because in order that an object two miles off, should produce a picture upon the retina of the same extent with that made by ...

... propor- tional to the other. Thus a slight mist, which gives the idea of in- creased distance, will also augment the apparent size; because, in order that an object two miles off should produce a picture upon the retina of the same extent with that made by ...

... large, floating opacities, there may be a diffuse mist which resolves itself ... and retina. These dust-like opacities are either diffused throughout ...

... as if his sight was covered by a mist or a white cloud. The most characteristic symtom of this disease is observed by means of the ophthalmoscope; it is a cup-like depression where the optic nerve enters the retina, and a twisted appearance, the so-called “ knee,” ...

... called the timica Ruyschiana, after the Dutch anato- mist Ruysch. The capillaries branch off from the choroid vessels in a radiating manner, and form the most delicate vascular network found in any tissue. It extends forwards as far as the retina, where the intervals become larger and the vessels ...

... Striae of the Choroid Coat; and some anato- mists maintain that it goes on as ... the membrane called Retina, is expanded over the interior surface of the ...