Lens implants (pseudophakoi) classified according to method of fixation.
D000867:Anterior Chamber / Q000601:surgery; D002387:Cataract Extraction; D006801:Humans; D007498:Iris / Q000601:surgery; D007908:Lens, Crystalline; D007909:Lenses / Q000145:classification*; D019736:Prostheses and Implants / Q000145:classification*