Dr. John Merrill Christiansen MD

Recommended Articles

• How Is Sarcoidosis Diagnosed?

  What is sarcoidosis?Sarcoidosis is an inflammatory disease, which is characterized by the growth of granulomas or tiny collections of inflammatory cells in various parts of the body. When the immune system is slowed down and when these numerous clumps form, they tend to interfere with the organ’s...

• What is Conjunctivitis: The Facts

  Conjunctivitis is a condition that most commonly appears in the human eyeball, specifically in the front of the eye. Conjunctivitis can be seen when the white part of the eye turns red or pink.  Most people think that red eye can appear if they don’t sleep enough, but they might not actually be...

• Signs and Symptoms of Conjunctivitis

  There are many causes of conjunctivitis such as:...

• Pink Eye vs. Allergies

  IntroductionThe eye is one of the sensitive parts of the body, and it easily gets affected by any irritants such as microbes. Eyes turning red would be due to not getting enough sleep or not blinking enough in a day. In certain cases, it can also be a sign of some kind of infection or...

• What Causes Cataracts, and What Can Be Done to Fix Them?

  When the lens of the eye becomes clouded, it is deemed to be cataract. This is the leading cause of vision loss in people over the age of 40, and cataracts are responsible for the majority of blindness across the globe. Over 22 million Americans over the age of 40 are currently affected by...

• What Is HSV-1?

  Herpes Simplex Virus 1 (HSV-1)HSV-1 or herpes simplex virus type 1 is a type of herpes simplex virus that causes cold sores. It is called "oral herpes" because it often causes sores around the mouth or on the lips. Cold sores are also called as fever blisters. However, the sores can also be found...