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OPHTHALMIC IMAGE
Year : 2021  |  Volume : 1  |  Issue : 2  |  Page : 171

A simple clue to identify bleb function after tube ligation: The ridge


Department of Glaucoma, Aravind Eye Hospital, Chennai, Tamil Nadu, India

Date of Web Publication01-Apr-2021

Correspondence Address:
Dr. Prasanna Venkataraman
Consultant, Glaucoma Services, Aravind Eye Hospital, Poonamallee High Road, Noombal, Chennai - 600 077, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_765_20

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How to cite this article:
Venkataraman P, Manapakkam M, Mohan N. A simple clue to identify bleb function after tube ligation: The ridge. Indian J Ophthalmol Case Rep 2021;1:171

How to cite this URL:
Venkataraman P, Manapakkam M, Mohan N. A simple clue to identify bleb function after tube ligation: The ridge. Indian J Ophthalmol Case Rep [serial online] 2021 [cited 2021 Apr 15];1:171. Available from: https://www.ijoreports.in/text.asp?2021/1/2/171/312417



A 40-year-old patient underwent Aurolab aqueous drainage implant in the right eye 1 month back. The tube was ligated with single 7-0 polyglactin suture.[1] IOP was 28 mm Hg. The ridge of the plate was well delineated [Figure 1]a with a flat bleb indicating that the tube has not opened yet. When examining a patient with non-valved implant, this simple way of looking for the visibility of ridge will help us understand if the bleb has matured. If a previously well-delineated ridge gets obscured in the next visit [Figure 1]b, suture must have dissolved and the tube opened.[2]
Figure 1: (a): Flat profile of the plate with well delineated ridge (black arrow heads). (b): Obscuration of the previously well delineated ridge after dissolution of tube ligature and tube opening

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Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Trible JR, Brown DB. Occlusive ligature and standardized fenestration of a Baerveldt tube with and without antimetabolites for early postoperative intraocular pressure control. Ophthalmology 1998;105:2243-50.  Back to cited text no. 1
    
2.
Lloyd MA, Baerveldt G, Heuer DK, Minckler DS, Martone JF. Initial experience with the Baerveldt implant in complicated glaucomas. Ophthalmology 1994;101:651-8.  Back to cited text no. 2
    


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