Cataract surgery

Videonummer 11928405
Cataract surgery. Clip 4 of 7. Close-up of the eye of a patient with a cataract (clouding of the lens) that is being treated by phacoemulsification. This is the stage where the lens is broken up using an ultrasound probe. During this operation gas is injected to separate the lens from the deeper parts of the eye. The lens is then emulsified (broken up) using an ultrasound probe inserted into the front of the eye. The lens fragments are removed by aspiration, and fluids lost are replaced with a balanced salt solution. A new artificial lens is then inserted to restore sight. For the entire sequence, see clips K002/9684 to K002/9678.
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Credit: Science Photo Library / Marazzi, Dr. P.
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