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IMAGES IN MEDICINE
Year : 2017  |  Volume : 30  |  Issue : 3  |  Page : 176

Ectopia lentis and blue sclera in hyperhomocysteinaemia


Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India

Date of Web Publication20-Sep-2017

Correspondence Address:
Brijesh Takkar
Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi
India
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Source of Support: None, Conflict of Interest: None


PMID: 28937010

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How to cite this article:
Rathi A, Takkar B, Azad S. Ectopia lentis and blue sclera in hyperhomocysteinaemia. Natl Med J India 2017;30:176

How to cite this URL:
Rathi A, Takkar B, Azad S. Ectopia lentis and blue sclera in hyperhomocysteinaemia. Natl Med J India [serial online] 2017 [cited 2021 Oct 26];30:176. Available from: http://www.nmji.in/text.asp?2017/30/3/176/215177



An 8-year-old girl was detected to have corrected visual acuity of 6/18 in both eyes during a school screening programme. Both her eyes had inferiorly subluxated lenses, the superior border of the lenses lying centrally within the visual axis [Figure 1]a. There was an additional patch of blue discoloration of the sclera without uveal ectasia in the left eye [Figure 1]b. A diagnostic work-up for bilateral ectopia lentis revealed high serum homocysteine levels. Her parents were counselled for lensectomy on follow-up, advised a consultation with a paediatrician and initiation of pyridoxine therapy.
Figure 1:

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The ligaments responsible for keeping the lens in position and shape are abundant in cysteine, and deficiency of the same due to homocystinuria results in ectopia lentis. Blue sclera is typically associated with other causes of ectopia lentis affecting the collagen structure and is uncommon in homocystinuria. A simple torchlight examination of the eyes can therefore provide valuable clues towards a serious underlying metabolic disorder.




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