Dr. Joshua Ki Hu MD

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...

Nutrients for good visionMany studies have show that nutrients, like omega-3 fatty acids, lutein, zinc, and vitamins C and E help to prevent eye disorders associated with aging.Some foods that may help to maintain eye health include:...

Color blindness is not a real blindness but a deficiency in seeing colors. People having color blindness can’t distinguish between certain colors, like red and green, or blue and yellow. The red and green color deficiency is the most common type of this condition.What causes color blindness?It is...

A child’s eyesight develops over time, starting with the ability to see objects 8 to 10 inches from their face. The child's eyesight improves gradually between the ages of 12-weeks-old to 16-weeks-old, to which they are able to see objects from farther away. Vision problems in children arise...

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...

What is Double Vision?Seeing two images of the same object displaced horizontally or vertically is known as double vision or diplopia. While most of the cases of double vision are not serious, some need to be treated quickly. There are three categories of diplopia:...