Often people say that 300 hours should be enough, and that it marks the ideal amount of time for the CFA level 1 exam preparation process. While that can be true for the majority of candidates, the number of hours you need to prepare depends on your study materials â the curriculum, strategy elements you will use, etc.ften people say that 300 hours should be enough, and that it marks the ideal amount of time for the CFA level 1 exam preparation process. While that can be true for the majority of candidates, the number of hours you need to prepare depends on your study materials â the curriculum, strategy elements you will use, etc.
Performing Cataract Surgery. Most cataracts are highly treatable. Cataract surgery is one of the most common surgeries performed in the United States, with approximately 98% of patients experiencing improved vision if there are no other eye conditions present.
A cataract is a painless, cloudy area in the lens of the eye. The lens is enclosed in a lining called the lens capsule. Cataract surgery separates the cataract from the lens capsule. In most cases, the lens will be replaced with an intraocular lens implant (IOL).If an IOL cannot be used, contact lenses or eyeglasses must be worn to compensate for the lack of a natural lens.ome complications can be treated and vision loss reversed, but others cannot. Complications that may occur with cataract surgery include: 1  Infection in the eye (endophthalmitis). 2  Swelling and fluid in the center of the nerve layer (cystoid macular edema). 3  Swelling of the clear covering of the eye (corneal edema).