eLetters

66 e-Letters

published between 2008 and 2011

  • M. tuberculosis in donor corneal tissue
    Soumyava Basu
    Dear editor, I read with interest Catederal et alâ₉„¢s study on the use of polymerase chain reaction (PCR) for detection of Mycobacterium tuberculosis in donor corneal tissues.1 The authors report the presence of M. tuberculosis DNA in donor corneas of patients with no documented history of tuberculosis. However there are several methodological erro...
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  • Re:Conclusions of Clemson et al. concerning Valproic Acid are premature
    Shalesh Kaushal

    Dear Editor,

    We appreciate the interest of Van Schooneveld et al.1 in our recent BJO article.2 Our small, retrospective chart review of RP patients treated off-label with valproic acid is only the first step in the process of understanding the potential utility of the drug for patients with this sight-threatening condition, for which there are no current therapeutic options.

    The size and the scope of...

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  • Conclusions of Clemson et al. concerning Valproic Acid are premature
    Mary J. van Schooneveld

    Dear Sir, With great interest we read the article of Clemson et al. about a new treatment for retinitis pigmentosa (RP). However, the authors' claim that their data suggest that valproic acid (VPA) may be an effective treatment for RP is unfounded and also regrettably misleading for the many desperate RP-patients. In fact, we are surprised that the editors of the BJO have published this study in its present form. Firstly,...

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  • Response to distal enlargement of the optic nerve sheath in the hyperacute stage of intracerebral haemorrhage
    Riccardo Moretti

    Dear Editor, we have read with great interest the article of Skoloudik and coworkers on the use of optic nerve ultrasonography in patients with intracranial hemorrhage (ICH). The primary goal of this study was to investigate the variations of the optic nerve sheath diameter (ONSD) early after the onset of ICH. The authors should be commended for pointing out our interest towards a new parameter (the relative difference be...

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  • educational/motivational intervention and amblyopia treatment:
    professor viroj wiwanitkit

    Editor, I read the recent publication by Awan et al. with a great interest [1]. Awan et al. concluded that "As compliance has been identified as a major problem methods to improve amblyopia treatment are needed, possibly by using educational/motivational intervention [1]." Recently, Lee et al. proposed that "Poor compliance with occlusion therapy was less likely to achieve successful outcome [2]." Indeed, "how complianc...

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  • Response to Outcomes of orbital blowout fracture surgery in children and adolescents
    Stephanie K West

    Dear Editor, We thank Authors S.C. Carroll et al for their interesting paper on the Outcomes of orbital blowout fracture surgery in children and adolescents.1 We agree that autonomic symptoms of nausea and vomiting should alert the clinician to the high likelihood of significant orbital trauma. This study shows that the overall outcomes for all patients under the age of 20 were good despite delays. However, this is a hete...

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  • CUSUM for monitoring competency: Computer software is useful for bootstrapping and real time CUSUM plotting.
    Jacob M. Puliyel

    We congratulate Salowi and colleagues on their study of the use of CUSUM to monitor competency in cataract extraction (1). However there are two modifications that could make their system more responsive and reliable.

    Firstly the authors use a CUSUM chart that fluctuates on only one side of the zero line. Traditionally CUSUM charts fluctuate on both sides of the zero line (2,3). The consultant in their Figure 1...

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  • Re:The Primary Eyecare Acute Referral Scheme, PEARS was introduced in Wales in in 2003. We welcome the paper by Sheen et al since this presents an opportunity for the scheme to be appraised and costed.
    Nicholas JL Sheen

    Authors response

    Dear Sir,

    One concept of the PEARS/ WEHE schemes was to increase equity of access to eye care services across Wales. Any successful scheme which achieves an increase in access will increase cost, at least in the short- term, but can prove to be more cost-effective since more expensive downstream-treatments are avoided as a result of earlier intervention and patient outcomes are likely...

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  • The Primary Eyecare Acute Referral Scheme, PEARS was introduced in Wales in in 2003. We welcome the paper by Sheen et al since this presents an opportunity for the scheme to be appraised and costed.
    Simon Longstaff

    Sir,

    The Primary Eyecare Acute Referral Scheme, PEARS was introduced in Wales in in 2003. We welcome the paper by Sheen et al since this presents an opportunity for the scheme to be appraised and costed.

    The authors are open about the weaknesses of their study, such as the poor response rate to letters sent to GPs. However, there are still considerable uncertainties about the accuracy of the costings....

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  • Post-operative pain after phacoemulsification
    Mohammad A. Khan

    Dear Editor,

    Sub-Tenon block is a safe, efficient and effective technique for delivering local anaesthesia for phacoemulsification cataract surgery.[1] Several studies have compared sub-Tenon's block with topical anaesthesia for intra-operative pain complications and the technique is found to be favourable.[2] We are not aware of any published study that has assessed post-operative pain (beyond 30 minutes post-...

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