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Alcohol Withdrawal

...  hallucinations Those who experience severe symptoms of alcohol withdrawal usually develop hallucinations after two days of abstaining from alcohol. Usually, these hallucinations involve visual images, but sometimes they could involve sounds and smells, too. In minor cases, hallucinations last for a few hours, while visual hallucinations last for about a week in severe cases of withdrawal.  ...

Colorectal Cancer

...  the presence of any abnormal growths. When it comes to screening for cancers, these three imaging tests are usually being turned to the most. The Computed Tomography (CT) Scan shows cross-sectional images of your body while giving a keen attention to detail. The Magnetic Resonance Imaging (MRI), on the other hand, emits strong magnetic and radio waves to produce exam results in very little  ...

Visual Sense

...  it to the retina. However, humans do not see all light. Only the visible light found in the electromagnetic spectrum is perceptible to the human eye. To help you understand how the eye perceives the images around, here are some of the concepts you must know. Image in the Retina To focus an image in the retina, the eye should project a clear image. The light rays converge as it passes in the  ...

Abducens Nerve

...  has an inability to turn the eye outward. A patient with this inability suffers from convergent strabismus or esotropia. Double vision or diplopia characterizes strabismus or esotropia (i.e. two images appear  ...