Dr. John Merrill Christiansen MD

Recommended Articles

• What are the Side Effects of Cataract Surgery?

  Cataract is a disease which makes an eye lens to appear cloudy, thus reducing the eyesight. A normal eye lens assists in focusing light onto the retina for clear and undistorted image appearance. When a cataract forms in the eye, it makes images appear blurred and distorted. Although cataracts can...

• What Are the Symptoms and Treatment Options for Blepharitis?

  Blepharitis refers to the inflammation of the eyelid resulting in red and itchy eyes. This is a very common eye condition and can affect people of all age groups. It is not a very serious condition and will not affect one's vision in the future. Yet, blepharitis can be very uncomfortable and...

• Different Types of Physicians Explained

  Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

• What are the Causes and Symptoms of Glaucoma?

  Glaucoma is a group of conditions that leads to the impairment of the optic nerve that carries information from the eyes to the brain. It is a progressive condition, which, if not treated, may lead to complete loss of vision. The most common cause of this damage is the increase in the pressure...

• Cataract Surgery: What is an Intraocular Lens?

  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...

• Everything You Need to Know About Conjunctivitis

  What is Conjunctivitis?Conjunctivitis is an inflammation of the conjunctiva (a transparent membrane that covers the white part of the eyeball and lines the eyelids). Conjunctivitis is also known as pink eye, due to the characteristic pink or reddish color of the whites of the eyes.What Causes...