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OPHTHALMIC IMAGE
Year : 2022  |  Volume : 2  |  Issue : 3  |  Page : 851

Sinking cortex on ultrasound biomicroscopy


Dr. Rajendra Prasad Centre for Ophthalmic Sciences, AIIMS, New Delhi, India

Date of Web Publication16-Jul-2022

Correspondence Address:
Dr. Amber A Bhayana
Dr. R. P. Centre, AIIMS, New Delhi - 110 029
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_1162_22

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How to cite this article:
Bhayana AA, Prasad P, Khokhar SK. Sinking cortex on ultrasound biomicroscopy. Indian J Ophthalmol Case Rep 2022;2:851

How to cite this URL:
Bhayana AA, Prasad P, Khokhar SK. Sinking cortex on ultrasound biomicroscopy. Indian J Ophthalmol Case Rep [serial online] 2022 [cited 2022 Aug 13];2:851. Available from: https://www.ijoreports.in/text.asp?2022/2/3/851/351119



We read with interest what the authors have beautifully described as “sinking cortex sign” for the pre-existing posterior capsular defect.[1] We also observed a case having central lucency in diffuse illumination [Figure 1]a in the area of the sinking cortex visible in slit illumination [Figure 1]b because of localized lens volume loss. We would like to add that the gold standard for diagnosis we believe will always be ultrasound biomicroscopy (UBM) [Figure 1]c, which is superior to ultrasound B-scan as described by authors. We can literally visualize the “sinking cortex” on UBM.
Figure 1: (a) Diffuse illumination showing central lucency inside the white cataract, (b) oblique illumination showing the sinking cortex sign – also note the deep anterior chamber, and (c) ultrasound biomicroscopy giving the actual picture of “sinking cortex” into the posterior segment

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Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Priya A, Saraswathy B, Narendran K. Demonstration of the sinking cortex sign-Pre-existing posterior capsule rupture in mature traumatic cataract. Indian J Ophthalmol Case Rep 2022;2:569-70  Back to cited text no. 1
    


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