Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Cataract surgery is the removal of the natural lens of the eye crystalline lens that has developed an opacification, which is referred to as a cataract. When the crystalline lens fibers face metabolic changes over time, it leads to the development of the cataract and loss of transparency, which in turn cause impairment or loss of vision. The first symptoms of most patients are strong glare from lights and small light sources at night, accompanied by reduced acuity at low light levels. During cataract surgery, a patient's cloudy natural lens is removed and replaced with a synthetic lens to restore the lens's transparency...