Cataract surgery has been highly successful in restoring clear vision in the elderly, but is not without risks. Success depends on good surgical technique, the type of intraocular lens used, other co-morbid eye diseases, and the underlying health of the patient. A high percentage of post-cataract patients develop opacification (cloudiness) of the posterior capsule, in the short-term or long-term; in which case an ophthalmologist may recommend YAG laser to remove part of the posterior capsule behind the manufactured lens. Why…..