Phthiriasis palpebrarum is a rare cause of eyelid infestation. We report a case of unilateral phthiriasis palpebrarum. A 28-year-old man presented with moderate itching associated with lacrimation and irritation in the left eye. The initial evaluation of the patient revealed multiple white dots on the left upper eyelashes. Slit-lamp examination revealed multiple nits attached to the base and shaft of the cilia. There was no hyperaemia or discharge present in the conjunctiva and the cornea was clear and shiny. The right eye was perfectly normal. The patient was treated with moxifloxacin eye ointment and was completely cured in 1 week.
BackgroundTubercular vasculitis is an important manifestation of ocular tuberculosis and this report highlights the mimicking nature of the disease with frosted branch angiitis.ResultsA patient presented with a severe form of retinal vasculitis in both eyes and a branch retinal vein occlusion in the left eye. He had a positive tuberculin skin test (TST) and a raised erythrocyte sedimentation rate (ESR) and serum angiotensin-converting enzyme (ACE) levels. Radiological investigations revealed a sub-pleural nodule and mediastinal lymph nodes, which on histopathological evaluation confirmed a granulomatous etiology.ConclusionRetinal vasculitis secondary to tubercular etiology may mimic a viral vasculitis; however, a clinical suspicion with a timely diagnosis and management helps in preventing loss of vision and the eye.
A 23-year-old primigravida presented to the emergency department with reports of headache. On examination, her blood pressure was found to be 190/140 mm Hg. Her laboratory results were notable for proteinuria, deranged liver function and low platelets. She was diagnosed with HELLP syndrome and was delivered via caesarean section. She noticed diminution of vision 2 days after delivery. Fundus examination revealed bilateral serous retinal detachment involving the maculae. She was managed conservatively and had complete recovery of her vision by 3 weeks postpartum.
Background
Diabetic retinopathy (DR) is a common microvascular complication of diabetes. There is strong evidence suggesting that DR has an inheritable component. The interaction between advanced glycation end products (AGEs) and their receptor is integral in the pathogenesis of diabetic retinopathy and its various complications, retinopathy being one of them.
Overview and methodology
This review discusses the existing literature on the association between single nucleotide variants (SNV) of AGER gene and the risk of DR. It also discusses the current understanding of the AGE-AGER pathway in diabetic retinopathy. Through our article we have tried to consolidate all the available information about these SNVs associated with diabetic retinopathy in a succinct tabular form. Additionally, a current understanding of the AGE-AGER interaction and its deleterious effects on the cells of the retina has been discussed in detail to provide comprehensive information about the topic to the reader. A literature review was performed on PubMed, Cochrane Library, and Google Scholar for studies to find existing literature on the association between AGER gene SNVs and the risk, progression and severity of developing DR. This article will encourage scientific communication and discussion about possibly devising genetic markers for an important cause of blindness both in developed and developing countries, i.e., diabetic retinopathy.
Result
Based on genetic studies done in Indian and Chinese population G82S(rs2070600) was positively associated with Diabetic Retinopathy. Patients of diabetic retinopathy in Caucasian population had −T374A(rs1800624) polymorphism. + 20T/A was found to be associated with the disease in a study done in UK. Association with G1704T(rs184003) was seen in Chinese and Malaysian population. A Chinese study found its association with CYB242T. -T429C(rs1800625) SNV was not associated with DR in any of the studies. G2245A(rs55640627) was positively associated with the disease process in Malaysian population. It was not associated in Malaysian and Chinese population. Promoter variant rs1051993 has also been found to a susceptible SNV in the Chinese population.
Conclusion
While providing a comprehensive review of the existing information, we would like to emphasize on a large, multi-centric, trial with a much larger and varied population base to definitely determine these single nucleotide variants predisposing diabetic individuals.
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