Patients expect their vision to improve after cataract surgery and, increasingly, they expect to be free of the encumbrance of glasses and contact lenses. These expectations are driven by technological advancements throughout the ophthalmic industry and the experiences of family and friends. To meet or exceed patient expectations, cataract surgeons must pay increasing attention to the management of pre-existing corneal astigmatism at the time of cataract surgery. Pre-existing corneal astigmatism is a significant component of preoperative ametropia.
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