56. Evulsion of the Iris

Complete evulsion of the optic nerve.

Evulsion of the optic nerve is an uncommon traumatic event, probably because the intraorbital portion of the optic nerve is mobile and surrounded by sheaths. The present paper reports a case of complete evulsion of the optic nerve with retinal detachment and discusses the possible patho mechanisms involved. Fluorescein angiography showed no retinal circulation.

Modified Technique for Phrenic Evulsion

Complete evulsion of the globe and optic nerve.

A 17-year-old boy had an evulsion of globe and optic nerve from an automobile accident. Computed tomography showed a severed optic nerve on the injured side. A visual field defect was demonstrated in the other eye.

Evaluation of the Parameters Involved in the Iris Recognition System

Biometric recognition is an automatic identification method which is based on unique features or characteristics possessed by human beings and Iris recognition has proved itself as one of the most reliable biometric methods available owing to the accuracy provided by its unique epigenetic patterns. The main steps in any iris recognition system are image acquisition, iris segmentation, iris norm...

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...