Restoring Sight With Intraocular Lenses

The first successful attempt at replacing the function of the removed cataractous lens by a prosthetic lens implant was performed by Harold Ridley in 1949. These artificial lenses were fabricated in a shape similar to the natural lens from poly(methyl methacrylate) (PMMA). Though there were several successes, many complications resulted from lens dislocation and the poor manufacturing processes available.

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