Dr. Juan Sanchez-humala M.D.

Recommended Articles

• Eye Twitching: Causes and How to Stop It

  What is eye twitching?While it may seem like a normal experience of the eye, eye twitching could become irritating and could be a cause for concern when it persists for a long period of time and with higher frequency. In medical terms, eye twitching is known as blepharospasm, which is defined as an...

• 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...

• 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...

• 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...

• What is Blepharitis?

  What is Blepharitis?Blepharitis is the inflammation of the eyelids, usually affecting both of the eyelids where eyelashes grow.The inflammation of the eyelids is often a chronic medical condition, which is very hard to treat. Blepharitis is a condition that does not affect vision. It is also not...

• Is Shingles Contagious? How Do You Get Shingles?

  Shingles is a contagious viral infection that is caused by the varicella zoster virus, the same virus that causes chickenpox. This virus affects a particular nerve section, causing painful rashes on the skin connected to that particular nerve. The rash normally appears in a form of a band on any...