Leave the cataract alone and continue to wait until your vision worsens. Cataracts are not like having life-threatening heart disease or cancer. Time is on your side. You can wait and leave your cataract alone. As long as you are not unhappy with your vision, leaving the cataract alone is acceptable and safe. If you choose to defer cataract surgery, your vision will remained blurred and the blur will only worsen as time passes. When you level of frustration with your blurred vision is no longer acceptable, then you can choose to have cataract surgery later. Have cataract surgery to improve your vision. Cataract surgery is indicated when one’s vision is sufficiently blurry to impair one’s ability to see comfortably to perform their usual activities. If you choose to improve your vision through cataract surgery, you have a choice of intraocular lens implant (IOL) that you will receive: