eLetters

597 e-Letters

  • Analysis of astigmatism correction: Authors' reply
    Nigel Morlet

    Dear Editor

    Thank you for the opportunity to reply to the letter from Dr Alpins concerning our recent article "Astigmatism and the analysis of its surgical correction".[1] Noel Alpins is a widely respected contributor to many international meetings, having written comprehensively on the use of astigmatism vector analysis. His software program ASSORT TM is widely used for the planning of refractive surgery a...

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  • Cell death assays for endothelial viability in corneal donor tissue
    Jonathan Guy Crowston

    Dear Editor

    We read with interest the paper by Gain et al. [1] which assessed two distinct techniques to quantify corneal endothelial cell death in donor corneas. A significantly higher rate of cell death was observed with the TUNEL assay which labels nuclei with fragmented DNA, compared to the trypan blue exclusion method, which detects cells with disrupted cell membranes. The authors conclude that...

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  • A perspective on bovine pericardium for orbital implants
    Mandeep S Bajaj

    Dear Editor

    We have read with avid interest the article by Gupta et al. on the use of bovine pericardium as a wrapping material for hydroxyapatite orbital implants.[1] We are highly impressed by their results as none of the patients had implant extrusion. This is really commendable since implant extrusion rate has ranged from 9 % to 21 % in previous studies,[2] and it indicates meticulous technique and follow up....

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  • Axial length in silicone oil filled eyes
    Lalit Verma

    Dear Editor

    We read with great interest the article by Takei et al..[1] We agree with the authors that axial length (AL) measurement in silicone oil-filled eyes is a difficult situation. The need for accurate estimation of AL has increased following advances in vitreoretinal surgical techniques and improved visual results. We complement Takei and colleagues for an excellent report on the matter. CT scanning for...

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  • Corneal opacification following keratoplasty in the rat model
    Ilse Claerhout
    Dear Editor,

    I read with great interest the excellent perspective by Plsková et al1 in which they raise the issue of transient corneal opacification following corneal transplantation in the mouse model and argue that it might be due to a sufficient number of endothelia[l] cells regaining function.

    What the authors describe for the mouse model, also occurs in the rat model. In fact most researchers in the rat model pr...

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  • Re: Treatment keratitis by penetrating keratoplasty
    Lixin Xie

    Dear Editor,

    We thank Dr. Panda for her comments on our recent paper entitled "Treatment of fungal keratitis by penetrating keratoplasty". Dr. Panda noted correctly that treatment modalities differ on different types of keratitis. About 20% of the cases in our study were mixed infections, that is, fungal infection combined with bacterial or herpes simplex virus infection. However, the focus of our study was to s...

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  • Critical appraisal of Epilation for trichiasis
    Mandeep Singh Bajaj

    Dear Editor,

    We have read with keen interest the article on trachomatous trichiasis by Bowman et al. We fully endorse the authors' observations that Trachoma and its sequelae are on the decline even in developing countries as we are witnessing similar trends in south-east Asia,particlarly India. However,we would like to raise a few pertinent issues.

    It is our considered opinion that self-epilation of tri...

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  • "No-needle" sub-tenon's anesthesia
    Roger Gray
    Dear Editor

    We read with interest the letter from Amin et al [1], suggesting a modification of the sub-tenon local anaesthetic injection procedure. They advocate the use of a venflon needle to penetrate the conjunctiva, with subsequent advancement of the cannula prior to anaesthetic injection. We are concerned that the use of a sharp needle should be recommended so close to the eye. Amin et al point out that the needle ti...

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  • Management of Giant Cell Arteritis
    G Arunagiri
    Dear Editor

    I congratulate Riordan-Eva et al for the article on temporal artery biopsy in the management of giant cell arteritis with neuro-ophthalmic complications.[1] This is an excellent article for residents, ER physicians, Family Practice physicians and Ophthalmologists.

    The 3 cases discussed clearly show that patients over the age of 50 presenting with temporary or permanent visual loss or binocular dipl...

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  • Trachoma and recurrent trichiasis
    Hugh R Taylor
    Dear Editor

    It was with great interest that I read the recent article by Dr. al Arab and co-workers entitled "The Burden of Trachoma and the Royal Nile Delta of Egypt; the Survey of Menofiya Governerate".[1] This work clearly shows that endemic blinding trachoma continues to be a major health problem in this area of the Nile Delta, quite close to Cairo.

    My attention was particularly drawn to the high rate of recurren...

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