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.
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.