Dr. Donald A Macdonald MD

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...

• How is Conjunctivitis Contracted?

  Conjunctivitis is a very common and unpleasant condition, especially for people that use contact lenses. Children can be equally affected by this disease, as well as adults. People who have conjunctivitis, also known as pink eye, can transmit the disease to their family or friends or anyone else...

• In Plain Sight: Vision Changes Linked to Parkinson’s Disease

  Parkinson’s disease is a chronic, progressive movement disorder that affects the nervous system. It is characterized by gradual death and breakdown of nerve cells in the brain resulting in the decreased production of a chemical messenger called dopamine. Reduced dopamine levels cause abnormal...

• What Specialists Perform Cataract Surgery?

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• What is Neonatal Conjunctivitis?

  Neonatal conjunctivitis or ophthalmia neonatorum is a type of infection that newborns contract during delivery. The newborns contract this infection in cases when the mother is infected with Chlamydia trachomatis or Neisseria gonorrhoeae.Neonatal conjunctivitis is any type of conjunctivitis that...

• What Affects Night Vision?

  Problems with night vision is a very common problem. Most of the night vision problems, like halos, blurred vision, and night blindness, may be treated. Some of these may also be a sign of congenital medical condition, like retinitis pigmentosa. A number of other conditions, like exposure to the sun...