Dr. John D Zilis MD

What is albinism?Albinism is a group of genetic disorders that cause little or no production of the natural pigment called melanin. The color of your skin, hair, and eyes depend on the type and amount of melanin produced by your body. Most individuals with albinism have sun sensitivity, which makes...

Dry eyes are a condition in which the eyes do not get enough moisture and lubrication from tears. It is the tears that provides constant moisture to the eyes, which is very important for comfort of viewing. It is a very common condition in the population, particularly in people above 40-years-old....

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...

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...

Our eyes are our windows to the world, and we each get only a single pair in our lifetime. Life without our sense of sight can spell great difficulty. Imagine being born and living with good vision for decades, only to have it impaired by some disease we could have prevented or gotten treatment for....

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...