This paper presents a new perspective that there is a double-threshold effect in terms of the technology gap existing in the foreign direct investment (FDI) technology spillover process in different regional Chinese industrial sectors. In this paper, a double-threshold regression model was established to examine the relation between the threshold effect of the technology gap and technology spil...

If the foreign body is in the cornea or anterior chamber or on the iris direct clinical examination will reveal its exact position. In other cases the foreign body may be observed in the lens which is as yet transparent. Finally if the lens is clear a foreign body may be seen in the vitreous or on the retina. In this case it can be localized by direct ophthalmoscopic examination. In many cases ...

Ocular penetrating injury with Intraocular Foreign Body (IOFB) is a common form of ocular injury. Several techniques to remove IOFB have been reported by different authors. The aim of this publication is to review different timing and surgical techniques related to the extraction of IOFB. Material and Methods. A PubMed search on "Extraction of Intraocular Foreign Body," "Timing for Surgery Intr...

A patient who recently came under my care had been struck in the right eye by a foreign body whilst hammering a piece of steel with hammer and cold chisel. A diagnosis of intra-ocular foreign body was made, there being a small entrance wound in the centre of the cornea and an opaque lens. This diagnosis was confirmed by x ray. The foreign body, measuring about 3j x 1 x 1 mm. was located in the ...

During the first half of the 20th century there was a strong controversy over the route for removal of an intraocular foreign body (IOFB) lying in the posterior segment of the eye. In the early years the anterior route was substantially the method of choice (Barkan and Barkan, 1927; Verhoeff, 1932; Duggan, I933; Trevor-Roper, i944; and others). The posterior route had been advocated by Stieren ...

We are reporting a 25-year-old male, Egyptian ceramic worker, who presented to the Emergency Department of King Fahad University Hospital in Khobar, Saudi Arabia with a history of a ceramic piece which struck his right eye while working two days earlier. To our knowledge, this is the first case in literature, reporting an intralenticular ceramic foreign body.

PURPOSE To assess whether an orally administered antioxidant dietary supplement could improve the objective clinical signs and alleviate the subjective symptoms of dry eye syndrome. METHODS Twenty-four subjects diagnosed with dry eye syndrome were randomized in a crossover, double-blind, controlled, randomized study to receive a placebo or an antioxidants combination (Oxybiane) for 12 weeks. ...

manner in which cocain can be used as a test for paralysis of the sympathetic nerve, as a valuable quality. Information with regard to other drugs in this respect would be valuable. It has been suggested to me that the stimulating action on the sympathetic nerve might prove to be a test of the power of a drug to act as a stimulant of the central nervous system, and that so it might beconme a te...