Zeiss iol master 700 has a keratometry part.There are many internal lens.The lens are poorly mounted.One of the lens fell during battery replacement.If it is slightly loose but not dislocated yet, it might not be detected, and can cause wrong calculation and result wrong intraocular lens to be implanted into human eye.On (b)(6) 2020 replacement of internal battery of zeiss iol master 700, result: internal keratometry lens fell.Internal lens of keratometer was poorly mounted.The zeiss iol master 700 has a keratometry which has multiple internal lens.One of them fell during attempted battery replacement by zeiss tech phillip.One of the inferior lens fell.If it is partially loose or dislocated, it can cause wrong calculation.Fda safety report ids# (b)(4).
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