Dr. Karen Joos, MD, PhD

Contact lenses are popular for its two most important characteristics: flexibility and convenience. Based on their usage, contact lenses are categorized into two types: vision correcting lenses, and decorative lenses. Decorative lenses are used to improve the look of the eyes. Generally, these...

Several vision issues that are related to aging can be solved by practical approaches like more illumination when reading or fixing poor lighting conditions in your home.When you grow to over 60 years of age, you may require more lighting for most indoor and outdoor activities. This is caused by the...

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...

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...

The exact cause of cataracts is not known. Nevertheless, it seems that most cataracts are caused by long-term variations in the eye lens protein components which in turn causes cloudiness in the lens. Though not common, cataracts can affect infants and young children due to genetic enzyme...

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...