Dr. Thomas Mark Johnson M.D.

Recommended Articles

• What Is Pituitary Dwarfism?

  IntroductionPituitary dwarfism, also called growth hormone deficiency, is a medical condition wherein the pituitary gland does not produce sufficient amounts of growth hormone. This deficiency often results in children’s slow growth or short stature.An adult with pituitary dwarfism has an average...

• What are the Causes and Symptoms of Pink Eye?

  Pink eye, or conjunctivitis, is a contagious eye condition caused by the inflammation and infection of the conjunctiva. The conjunctiva is the transparent membrane covering the white part of the eye and the eyeball. Infection and swelling of the the mucous membrane becomes reddish, and the entire...

• How Long Does It Take To Get A Cataract Removed?

  How Cataract Surgery is Performed Prior to a cataracts surgery, you will have to attend an eye assessment with an ophthalmologist. The ophthalmologist will first examine your health condition and any previous eye treatments. They will also check for any other eye problems currently affecting...

• 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...

• What Is Astigmatism?

  Normally, the eye, cornea, and lens can easily focus light rays on the retina. The disease known asastigmatism is an imperfection in the curvature of the cornea, and it can produce a clear, round dome covering the iris and pupil.The cornea and lens remain smooth and are always curved equally in all...

• Tay-Sachs Disease in Children

  IntroductionHealthy infants tend to achieve their growth and development milestones in a timely manner. They also develop their vision, hearing, movement, and other types of vital functions because certain enzymes clear out fatty protein as well as other unwanted elements that can hinder normal...