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  • Title: Collateral circulation in hemicentral retinal vein occlusion.
    Author: Sabates R, Jalkh A, Freeman HM.
    Journal: Ann Ophthalmol; 1983 Jul; 15(7):604, 606-8. PubMed ID: 6571342.
    Abstract:
    The perchance occurrence of a hemicentral retinal vein occlusion in an eye with a lightly pigmented fundus allowed us the opportunity to observe the development and flow dynamics of collateral circulation. We are able to demonstrate an optic disc collateral draining into a choroidal vein, a finding which to our knowledge had previously only been documented histologically. The collateral circulation developed slowly over many months and was not rapid enough to prevent chronic microcystic macular changes.
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