Dr. David Leigh Hartzell MD

Recommended Articles

• What Tests Determine Conjunctivitis?

  Conjunctivitis is a very unpleasant eye condition that may cause discomfort and pain in the eyes. This disease has to be medically treated. Thus, it’s important to determine the causes and triggers of this disease. If you suspect that you have conjunctivitis, you should visit an ophthalmologist to...

• How to Get Rid of a Stye: 17 Home Remedies and Treatments

  What is a stye?A stye occurs when a particular strain of bacteria affects the oil gland of the eyelid. It becomes infected and causes inflammation, redness, as well as pain on the eyelid and its surrounding tissues. A stye is an inflamed swelling or circumscribed abscess. It can be treated with...

• What Is HSV-1?

  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...

• Diabetic Retinopathy

  Diabetic retinopathy is a long-term complication of diabetes that affects the eyes. The World Health Organization (WHO) estimates that diabetic retinopathy is responsible for 4 percent of the 45 million cases of blindness throughout the world. It is caused by a damage to the blood vessels of the...

• What Causes Iritis?

  What is iritis?The colored part of the eye is called the iris. When the iris gets inflamed, the condition is called iritis, which is also called anterior uveitis. The muscles present in the iris help in pupil contraction and relaxation. The anterior and posterior chambers of the eye are also...

• What are the Advantages and Disadvantages of LASIK Eye Surgery?

  LASIK, or laser in situ keratomileusis, is a very popular surgical procedure to correct and improve vision, and reduces an individual's dependence on contact lenses and glasses. It is a very common refractive surgical procedure to correct different types of vision issues, including nearsightedness,...