The causes of macular edema are numerous and different causes may be inter-related. It is commonly associated with diabetes. Chronic or uncontrolled diabetes type 2 can affect peripheral blood vessels including those of the retina which may leak fluid, blood and occasionally fats into the retina causing it to swell.
Visual C++. Visual C++ is known as a native development language, as it talks directly to the hardware for the Windows Mobile device, with no intervening layers (unlike Visual C#, for example). Programming using C++ can be challenging, as it is not a trivial language to learn.
Java programming language is one of the most preferred languages when it comes to Android app development. An object-oriented programming language developed at Sun Microsystems (now owned by Oracle), Java can be run in two different ways: either in a browser window, or in a virtual machine that can do without a browser.