eLetters

572 e-Letters

  • Cause of vitamin A deficiency in coeliac disease

    Editor,
    With great interest we read the case report by Dr. Alwitry on "Vitamin A deficiency in coeliac disease", which raises the question whether a deficiency of vitamin A with subsequent keratomalacia may be caused by this disorder. However, although coeliac disease cannot be excluded as a cause of reduced vitamin A absorption,[1] Alwitry's report does not convincingly show that the vitamin A deficie...

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  • Tonometry and central corneal thickness

    Editor,
    I read the article by Bechmann et al with interest, and I congratulate the authors on their work. In the discussion, they cover the entire subject of tonometry on the basis of the central corneal thickness (CCT). With the increasing number of corneal refractive procedures performed every year, this point will be associated with much uncertainty for diagnosing glaucoma in the near future. Appare...

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  • Capsularrhexis with dye

    Dear Sir,
    In India, we very commonly see mature cataracts. Doing capsulorhexis with injection of dye is done very routinely by many of us. Forunately no untoward reaction has been reported so far. This helps us to carry out the phaco procedure with ease.

  • Mooren's ulcer in Cameroun

    Dear Sir,
    I was fascinated by Cheng and colleagues' article on Mooren's ulcer in China. During the past 6 years I have worked for 3 years as an ophthalmologist in rural Cameroun. I submit to you my experiences of Mooren's ulcer there :

    Patients: 5 (4 male, 1 female).
    Age: 1 patient aged 48 years, the rest all late teens and twenties.

    Out of 3 patients we tested (foll...

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  • Perception of pain during anaesthesia

    Editor,
    We read with interest the paper by Minasian et al. They quote that pain experienced during an injection is related to the temperature of the injection and the speed of delivery of the solution.[1] [2]

    In their article, they have used all anaesthetics at room temperature. We have been pre-warming our anaesthetic solutions routinely for cataract surgery. We use a heat pad (Dreamland appliance...

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  • Visual field defects after vitrectomy with fluid-air exchange

    Editor,
    The paper by Cullinane and Cleary presents an excellent prospective study of peripheral visual field loss in patients undergoing macular hole surgery. The authors compared vitrectomy with complete posterior cortical vitreous peeling to limited vitrectomy with removal of cortical vitreous off the macula, but not off the optic nerve head or the peripheral retina. The authors showed a statistically...

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  • Mitomyucin C augmented trabeculectomy for post-keratoplasty glaucoma

    Editor,
    We read with interest the article by Ishioka and coworkers, in which the authors studied the effect of trabeculectomy with and without mitomycin C in post-keratoplasty glaucoma. The authors conclude that trabeculectomy with mitomycin C showed better results for glaucoma following penetrating keratoplasty. We congratulate the authors for an excellent study. We have published similar observations on...

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  • Corneal transplantation

    Editor,
    The commentary by Waldock and Cook on the survival rates of corneal grafts highlights a number of issues. In particular, they focus on the lack of long-term follow-up data in the UK. The value of such data is clearly evident from the Australian Corneal Graft Register.[1] Moreover, in the present climate of clinical audit and evidence-based medicine, the collection of such data has surely become a...

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  • Sequelae of diabetic vitrectomy

    Editor,
    The work of West and Gregor again points out the importance of sclerotomy complications following pars plana vitrectomy. They demonstrate that, even in the hands of a skillful and experienced surgeon, vitreous hemorrhage after vitrectomy for diabetic retinopathy is common and requires vitreous cavity washout (VCWO) in 12% of cases. In their series, over half of the eyes had detectable fibrovascular...

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  • Beta irradiation in pterygium surgery

    Editor
    We read with interest the study that compared intraoperative mitomycin C to beta irradiation in primary pterygium surgery.

    The authors rightly commented that long term complications of beta-irradiation, such as scleral necrosis, may arise more than 10 years after the irradiation. Longer follow-ups are necessary to reveal such complications.

    We performed primary pterygium excision...

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