DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Cataract surgery. Clip 1 of 10. Close-up of the eye of a patient with a cataract (clouding of the lens) that is being treated by phacoemulsification. This is part of the stage where the lens is broken up into fragments and removed. 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 K002/9628 to K002/9619.
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