Astigmatism

Introduction 

Astigmatism is a common and usually minor eye condition that causes blurred or distorted vision.

It occurs when the cornea or lens isn't a perfectly curved shape. Many people who wear glasses have some degree of astigmatism.

Astigmatism belongs to a group of related eye conditions known as refractive errors. Other common refractive errors include:

• short-sightedness (myopia)
• long-sightedness (hypermetropia)

If you have astigmatism, it's likely you'll also have one of these conditions.

Left untreated, astigmatism can cause headaches, eye strain and fatigue (tiredness), particularly after doing tasks that involve focusing on something for long periods, such as reading or using a computer.

What causes astigmatism?

Astigmatism is usually the result of an irregular-shaped cornea or lens. The cornea is the transparent layer of tissue at the front of the eye.

The cornea should be regularly curved like the surface of a football, but in cases of astigmatism it has an irregular curve, more like the shape of a rugby ball. This means that light rays entering the eye aren't focused properly, creating a blurred image.read more

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this is an unusual or weird way to help you in a traffic jam.it is a device called hewee go active -jockstrap like item-149 pounds -a man can wee through a washable  and tear resistant plastic bag and even hols up to a pint .read more

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Half of patients in a small pilot study of 12 people had reduced symptoms three months after taking psilocybin capsules.

While the study authors warn that it is too early to make strong conclusions about the use of the drug, it did show that more research was needed.

Lead author Dr Robin Carhart-Harris from Imperial College London said: "This is the first time that psilocybin has been investigated as a potential treatment for major depression.

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cancer patient receives first u.s penis transplant.

A cancer patient has received the first penis transplant in the United States and is recovering well from the delicate surgery, according to doctors.

Thomas Manning of Halifax, Massachusetts, received the transplanted penis in a 15-hour procedure last week, Massachusetts General Hospital said. The organ was transplanted from a deceased donor.

Surgeons on the team who performed the transplant say blood is flowing to the organ. They said there are no signs of bleeding, rejection or infection, and that they are cautiously optimistic Manning will regain the function he lost in 2012 when cancer led to an amputation of the penis.read more