Posterior chamber dislocation of the intraocular lens

Don Williams MCOptom MSc DipTp (IP) PgDip Refractive & Cataract Surgery Prof Cert Med Ret Prof Cert Glauc examines the case of an IOL dropping into the vitreous cavity and resting on the retina.

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Presenting complaint

An 89-year-old long-time patient called after noticing blurring of vision and a “crescent”-like shadow in the left eye (LE). He was otherwise asymptomatic prior to noticing the change in his vision. 


The patient had a “hard” fall in March 2019 and took an impact on the left temporal region of the head. He did not lose consciousness, had a head scan and was given the all-clear. However, the fall resulted in a hip injury, which has affected his balance.

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