F D Green

University of Aberdeen, Aberdeen, Scotland, United Kingdom

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Publications (3)7.14 Total impact

  • Source
    HA Khairy · F D Green · M K Nassar · A Azuara-Blanco
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    ABSTRACT: To study the long-term outcome of deep sclerectomy in patients with open angle glaucoma. Prospective consecutive series of 43 eyes (38 patients) with medically uncontrolled open-angle glaucoma undergoing deep sclerectomy. All patients underwent clinical assessment before and after surgery at day 7 and at months 1, 3, 6, 12, 18, 24, 36. Surgical success was considered if the patient's intraocular pressure (IOP) < 22 mmHg and the IOP was lowered by more than 20% without the use of any medication. Kaplan-Meier survival curves were used to evaluate the success rate. The mean follow-up time was 28.1 +/- 8.2 months. Mean IOP decreased significantly from a preoperative value of 24.6 +/- 5.5 mmHg to a postoperative value of 18.5 +/- 4.6 mmHg at 36 months (P < 0.001). Microperforation of TDM occurred in three cases (7.0%) and ciliary body prolapse in one case (2.3%) but did not prevent completion of the operation. Postoperatively, hyphaema was detected in one case and shallow anterior chamber in another case and both were treated conservatively. Bleb encapsulation with elevation of IOP occurred in two cases (4.7%) and was treated with 5-fluorouracil subconjunctival injection. Goniopuncture with neodymium : YAG laser was performed in two cases (4.7%). There were no other late complications with the exception of failure of the operation. On the life-table analysis the success rate at 12, 24, and 30 months were 61.4, 36.6, and 18.9%, respectively. Deep sclerectomy reduced the IOP temporarily while minimising the risk of postoperative complications commonly encountered with standard trabeculectomy. However, after long-term follow-up surgery failed to maintain a low IOP.
    Preview · Article · Mar 2006 · Eye
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    ABSTRACT: To evaluate by ultrasound biomicroscopy (UBM) the anatomical characteristics and the intraocular pressure (IOP) lowering mechanisms of deep sclerectomy after long-term follow-up. In all, 22 eyes of 21 consecutive patients who had deep sclerectomy were examined by UBM. Several UBM variables were prospectively evaluated, including the presence and maximum length and height of the intrascleral space, the minimum thickness of residual trabeculo-Descemet membrane (TDM), the presence and type of subconjunctival filtering bleb, and the presence of other possible drainage sites, for example suprachoroidal. Surgical success was considered to be achieved when the IOP was <22 mmHg and the IOP was lowered by more than 20% without the use of any medication. The possible association between UBM variables and the surgical outcome was determined. The mean time between surgery and the UBM examination was 12.0+/-5.3 months. The mean IOP decreased significantly from a preoperative value of 23.7+/-4.0 to 16.0+/-3.9 mmHg at the time of UBM (P<0.01). There was a poor correlation between the level of IOP at the time of UBM and the length of intrascleral space (r2=0.0016), the height of the intrascleral space (r2=0.136), or the thickness of remaining TDM (r2=0.0009). The presence and type of filtering bleb were not associated with the success. In patients undergoing deep sclerectomy, UBM examination after long-term follow-up showed the presence of an intrascleral space and a filtering bleb in most patients. The surgical outcome was not associated with the UBM variables of the surgical area.
    Full-text · Article · May 2005 · Eye
  • Source
    Srinivasan S · Hoek JV · Green F · Atta HR

    Full-text · Article · Oct 2001 · British Journal of Ophthalmology

Publication Stats

66 Citations
7.14 Total Impact Points

Top Journals


  • 2005-2006
    • University of Aberdeen
      • Aberdeen Royal Infirmary
      Aberdeen, Scotland, United Kingdom