Sub-Tenon's anaesthesia versus topical anaesthesia for pain control and better operating conditions for cataract surgery | Cochrane

Cataract is the most common cause of low vision and blindness; it is usually due to the normal ageing process but may be found in younger people. Cataract occurs as loss of the natural clearness of the lens of the eye. A cataract is treated by surgery to remove the lens and replace it with an art...