Timothy J Greenan M.D.

When the eye’s natural lenses are removed during cataract surgery, they are replaced by artificial lenses known as intraocular lenses (IOLs). They are also used to correct a patient’s vision during a surgical procedure known as refractive lens exchange.Intraocular lenses are FDA-approved and...

St. John's wort is basically a plant which existed only in Europe, but today the plant can be found in USA and also some parts of Canada. The plant has oval-shaped leaves and golden-yellow flowers. The plant is attractive to look at having colorful petals and the colors of the flower are a mixed of...

Asexual definitionsWhat is asexual? Asexual exists when a person is not feeling sexual attraction to anyone or is having low or no interest in sexual activity. In the modern world, it is a little bit hard to understand this because we are forced to see sexuality everywhere and the general rule is...

Introduction Pyrexia is the medical term for fever, in which the human body temperature rises above the average normal (37 degrees Celsius or 98.6 degrees Fahrenheit). Pyrexia is one of the most common symptoms of numerous medical conditions.There are multiple factors can affect the normal body...

What is anemia?Anemia occurs when there are low levels of red blood cells (RBCs) in the body. Red blood cells are the ones that carry oxygen all over the body. So when a person's RBC count is lower than normal, it means that there is not enough oxygen in the blood, causing symptoms of anemia, such...

IntroductionAlthough doctors have the best intentions, it does not always mean that they will perfectly recognize their patient’s greatest need. For this reason, patients also need to take an active role when it comes to communicating with their doctor.One of the best ways to make sure that...