منابع مشابه
Studies in Ocular Rigidity.
RECENT developments in tonography and applanation tonometry have caused greater attention to be focused on the relation of the elastic properties of the coats of the eye and of ocular rigidity to the intra-ocular pressure. It is now fairly well established that the coefficient of ocular rigidity, K, is not a constant, as Friedenwald (1937) had suggested, but that it varies with the intra-ocular...
متن کاملChanges in ocular rigidity in endocrine exophthalmos.
(a) Hyperthyroid or Thyrotoxic Exophthalmos.-This accompanies Graves's disease and is, therefore, much more frequently seen in females than in males. In the majority of cases the exophthalmos is quite unobtrusive or there is merely an appearance of exophthalmos due to retraction of the upper lid. It is associated with a decreased frequency of blinking and a fixed stare. The majority of authors ...
متن کاملOcular rigidity in living human eyes.
PURPOSE To measure the rigidity coefficient of a large number of subjects at clinically encountered intraocular pressures (IOPs) and to examine the possible correlation of ocular rigidity with other factors, such as the age of the patients, ocular parameters (axial length and corneal thickness), and pathologic conditions affecting the eye. METHODS The pressure-volume relationship and the ocul...
متن کاملIntraocular pressure and ocular rigidity after LASIK.
PURPOSE To assess the intraocular pressure (IOP) and ocular rigidity (E) at 1, 3, 6 and 24 postoperative months in eyes that underwent LASIK. METHODS The IOP measured by Goldmann applanation tonometer (GAT) and by the 5.5 and 10 gm. weights of a standardized Schioetz tonometer (ST) and the E measured by differential tonometry (the 5.5 and 10 gm. of ST) were assessed before and after LASIK (at...
متن کاملOcular rigidity, ocular pulse amplitude, and pulsatile ocular blood flow: the effect of intraocular pressure.
PURPOSE The purpose of this study was to characterize the pressure-volume relation in the living human eye, measure the ocular pulse amplitude (OPA), and calculate the corresponding pulsatile ocular blood flow (POBF) in a range of clinically relevant IOP levels. METHODS Fifty patients with cataract (50 eyes) were enrolled in the study. After cannulation of the anterior chamber, a computer-con...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1962
ISSN: 0007-1161
DOI: 10.1136/bjo.46.12.717