Medicine Frontier:Enhanced Vision: New Directions in Ophthalmology
We use our eyes to enjoy the beauty of the nature. Healthy eyes can see the high mountains in the distance， as well as the small and minute things close at hand. But if eyes were sick， what we see shall not be a true world. For more than a century， optical doctors have been making an effort to cure all kinds of eye diseases.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/16 14:34:11