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Von Willebrand Disease Symptoms

The condition known as von Willebrand disease (vWD) is a mild to moderate hemorrhagic disorder that is most commonly caused by a mutation in a coagulation factor known as the von Willebrand factor (vWF).

23 Nov 2009

Color Blindness Misconceptions

Several misconceptions and myths surround the topic of color vision deficiency. One common misunderstanding is that color blind individuals mistake one color for another, such as seeing red when others see green or vice versa. Instead, people who are color blind cannot distinguish colors at all and the world they see is made up of varying hues of grey.

23 Nov 2009

Color Blindness and Occupations

In childhood, the condition may lead to learning difficulties if it goes identified and teaching methods are not modified accordingly. In later life, difficulty differentiating between colors can hamper a person’s ability to carry out normal daily activities such as driving, for example. In addition, color vision deficiency can have a profound influence on a person’s choice of occupation.

23 Nov 2009

Color Blindness Treatment

Color blindness or color vision deficiency is incurable and there is no specific treatment that can help individuals with this condition.

23 Nov 2009

Implications of Color Blindness

When color vision deficiency is severe, the condition can have a significant impact on a person’s life. When the deficiency is mild, on the other hand, the symptoms may often go unnoticed until color vision is tested.

23 Nov 2009

Color Blindness Prevalence

Color blindness or color vision deficiency affects about 2.7 million people in Britain. In many individuals, the condition is mild and a person is unaware there is a problem with their color perception until it is detected during a vision test. Other people, however, may notice that they see slightly different shades or hues of colors to those that other people see.

23 Nov 2009

Color Blindness Clinical Forms

Color blindness is a term that is often used to refer to color vision deficiency. True color blindness is actually just one form of colour vision deficiency and is an extremely rare condition. Colour vision deficiencies are usually inherited disorders, although they may also occur as a side effect of some medications or as a result of certain illnesses.

23 Nov 2009

Congenital Color Vision Deficiencies

There are three types of cone cells in the retina that allow an individual to perceive three basic colors – blue, green and red. Most humans are born as what are called trichomats which means they can perceive all three of these colors.

23 Nov 2009

Classification of Color Blindness Deficiencies

Color blindness is a term that is often used to describe color vision deficiency. However, true color blindness is actually a rare condition where no colour is seen at all. Colour vision deficiency on the other hand, refers to an ability to see and identify colours clearly.

23 Nov 2009

What Causes Color Blindness?

The exact cause of color vision deficiency is unknown. In most individuals, the condition is an inherited disorder and around 5% of the general population are color vision deficient.

23 Nov 2009

What is Color Blindness?

Color blindness is a term that is commonly used to refer to color vision deficiency, a condition where the ability to see colors clearly, is reduced. Actual color blindness, however, is a rare condition referring to an inability to see any color at all.

23 Nov 2009

Drug-Eluting Stent Design

Drug-eluting stents are small, wire scaffolds that are inserted into coronary arteries that have become narrow due to the development of atherosclerosis. The stent helps to hold the artery open and also releases a drug that prevents any further blockage or obstruction occurring in the artery.

23 Nov 2009

Drug-Eluting Stent Risks

A drug-eluting stent is a device used in operations to treat coronary artery disease. It is usually inserted during balloon angioplasty, in patients who have suffered a heart attack or who have angina.

23 Nov 2009

Drug-Eluting Stent Alternatives

Stents are expandable tubes that are used to treat patients with damaged or narrowed arteries.

23 Nov 2009

Drug-Eluting Stent Indications

Drug-eluting stents are primarily used in patients with atherosclerosis, to open up narrowed and obstructed coronary arteries.

23 Nov 2009

What are Drug-Eluting Stents?

Drug-eluting stents are small scaffolds made of wire that are inserted into the narrowed coronary arteries of patients with atherosclerosis. The stent helps to hold the artery open and also releases a drug that prevents any further blockage or obstruction occurring in the artery. The stent placement is carried out in a procedure called coronary angioplasty.

23 Nov 2009