It is an information to state that any action,process or function has begun.It is the US abbreviation for the name of the Canadian Province of Ontario.It is a preposition mean â¦ ing that one object is in contact with, and usually above, another object.
Sparing the nucleus: Cortical cataracts are in a layer of the lens outside of the nucleus which is the center of the lens. They are sometimes congenital. Depending upon the density they may disturb the vision but sometimes are thin enough not to be a problem.
1 Treatment for cataracts is surgical removal of the cataract with implantation of an artificial lens. 2  There are a variety of intraocular lens types that can restore vision in different ways. 3  Cataract surgery is a safe and effective way to restore vision with serious complications being unusual.ataract surgery facts. 1  Early symptoms of cataracts include blurred vision, glare, and difficulty reading. 2  Cataracts will affect most people and become more prominent as we age. 3  Cataracts can be diagnosed when the doctor examines the eyes with specialized viewing instruments.