Publications by authors named "Wan Abdul Halim Wan Haslina"

Allergic conjunctivitis (AC) comprises a group of conditions triggered by environmental allergens, substantially diminishing the quality of life, particularly among children and adolescents. The mechanical impact of eye rubbing in patients with AC is known to induce biomechanical alterations in the cornea. Modern instruments enable the detection and quantification of these corneal biomechanical changes.

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Background: Chronic kidney disease (CKD) is a significant global health concern, emphasizing the necessity of early detection to facilitate prompt clinical intervention. Leveraging the unique ability of the retina to offer insights into systemic vascular health, it emerges as an interesting, non-invasive option for early CKD detection. Integrating this approach with existing invasive methods could provide a comprehensive understanding of patient health, enhancing diagnostic accuracy and treatment effectiveness.

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Background and objective In corneal neovascularization, the peri-corneal vascular structure grows into a normally avascular cornea. This is due to an imbalance between the angiogenic and anti-angiogenic factors that sustain corneal transparency. There are various etiologies of this condition, and they can be divided into infective or non-infective causes, such as inflammation, trauma, or surgical causes.

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Significance: Determining the anatomic location of insult in cases of concurrent bilateral upgaze palsy with bilateral ptosis can be challenging because of the various overlapping pathways and shared functions. It is more commonly related to bilateral oculomotor nerve palsies and myasthenia gravis. However, the possibility of unilateral cerebrovascular events may be overlooked because of the lack of laterality of disease manifestations.

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Significance: Systemic thromboembolic complications are well documented to be associated with coronavirus disease 2019 (COVID-19); however, there have been a growing number of reports regarding ocular complications stemming from COVID-19 vaccinations. This case illustrates a clear temporal and possible causal relationship of COVID-19 vaccination with an ocular microvascular disorder, namely, retinal vein occlusion.

Purpose: This study aimed to report a case of inferotemporal branch retinal vein occlusion after messenger RNA Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccination.

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Background: Magnetic resonance imaging (MRI) has been used to investigate eye shapes; however, reports involving children are scarce. This study aimed to determine ocular dimensions, and their correlations with refractive error, using three-dimensional MRI in emmetropic versus myopic children.

Methods: Healthy school children aged < 10 years were invited to take part in this cross-sectional study.

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Convergence-retraction nystagmus alongside behavioral changes can be rare manifestations of a potentially life-threatening midbrain lesion. After experiencing headaches for three months, a 13-year-old boy was diagnosed with depression due to exhibiting reduced speech, hypersomnia, and psychomotor slowing for three weeks. It was preceded by headache for three months.

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Cerebral venous thrombosis (CVT) is a rare condition characterized by the obstruction of cerebral venous sinuses or cortical veins, leading to stroke-like symptoms. This case report presents a case of a 74-year-old male with isolated unilateral abducens nerve palsy as the sole sign of CVT, without accompanying symptoms or focal deficits. Neuroimaging, including CT and magnetic resonance venography, confirmed the diagnosis of CVT with a thrombus in the right transverse sinus.

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Background: Diabetic keratopathy (DK) occurs in 46%-64% of patients with diabetes and requires serious attention. In patients with diabetes, the healing of corneal epithelial defects or ulcers takes longer than in patients without diabetes. Insulin is an effective factor in wound healing.

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A 36-year-old man presented with an acute onset of a right eye monocular altitudinal defect associated with pain on eye movement upon waking up from sleep. His right eye subsequently developed outward deviation and a total loss of vision. Clinical examination of the right eye revealed a visual acuity of no light perception (NLP) with the presence of relative afferent pupillary defect (RAPD) and involvement of cranial nerves II, III, IV, and VI.

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Purpose: The aim of this study was to measure and compare the effect of topical insulin (0.5 units, 4 times per day) versus artificial tears (Vismed, sodium hyaluronate 0.18%, 4 times per day) for the healing of postoperative corneal epithelial defects induced during vitreoretinal surgery in diabetic patients.

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Differential diagnosis of vision loss in a space-occupying lesion can be exhaustive. Olfactory groove meningioma (OGM) is a rare, benign, slow-growing tumour originating from the anterior cranial base. OGM is one of the differential diagnoses of intracranial tumours.

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Background: This study aimed to report a case of outer lamellar macular hole and outer retinal detachment within myopic foveoschisis (MF) post-cataract surgery.

Case Presentation: An elderly female patient with bilateral high myopia and pre-existing myopic foveoschisis underwent uncomplicated sequential cataract surgeries 2 weeks apart. She was able to achieve a satisfactory visual outcome for her left eye with stable myopic foveoschisis and visual acuity of 6/7.

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Article Synopsis
  • Diabetic macular edema (DME) is a leading cause of blindness globally, significantly affecting patients' quality of life, and intravitreal (IVT) anti-VEGF therapy has been shown to effectively manage this condition, though many patients struggle with adherence to treatment.
  • This study aimed to identify factors influencing adherence to IVT anti-VEGF therapy among DME patients, considering socioeconomic factors and the Health Belief Model (HBM), using a cross-sectional approach with a self-administered questionnaire in Malaysia.
  • Results showed that out of 141 participants, 56.2% adhered to the treatment, highlighting the need to understand and address barriers to adherence in DME management.
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Purpose: There are limited reports available on the impact of wearing Orthokeratology (ortho-K) lenses on the quality of life of Asian children. This study evaluated and compared vision-related quality of life (VRQoL) between myopic children wearing ortho-K lenses and single-vision spectacles (SVSs), living in Kuala Lumpur, using Paediatric Refractive Error Profile (PREP) questionnaires.

Methods: This is a cross sectional study.

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Article Synopsis
  • Retinitis pigmentosa increases the risk of intraocular lens (IOL) dislocation after cataract surgery, leading to complications in patients.
  • A 64-year-old Chinese woman with retinitis pigmentosa experienced dislocation of her right eye's IOL in 2011, resulting in corneal issues that persisted despite surgical intervention.
  • By 2019, her left eye also faced complications due to IOL dislocation, leading to surgical removal of the IOL in both eyes, ultimately leaving her with very limited vision and requiring ongoing eye care.
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Purpose: Eyeball shape varies with refraction and body stature. Nevertheless, there are few reports on three-dimensional measurements of eyeball shape in children. The aim of this cross-sectional observational study was to investigate the associations between three-dimensional measurements of ocular dimensions, refractive error, and body stature in young Chinese children with myopia in Kuala Lumpur.

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Non-contact condensing lenses (NCLL) are a requirement in ophthalmology examinations. To date, there have been no studies on the types of bacteria found on handheld lenses used to examine patients in an ophthalmology clinic. The BD BACTEC Peds Plus broth (BACTEC-PP) culture method can isolate more organisms as compared to conventional culture plates (CCP) from NCLL.

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Salzmann nodular corneal degeneration (SNCD) is a rare, non-inflammatory, slowly progressive degenerative disease of the cornea. It is characterized by bluish-white nodules raised above the surface of the cornea. SNCD does not seem to consist of one clinical entity, which poses challenges to differentiate it from corneal dystrophies.

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We report a rare case of bilateral Idiopathic Retinitis, Vasculitis, Aneurysms, and Neuroretinitis (IRVAN) with occlusive vasculitis. A 28-year-old female presented with sudden decreased vision in her left eye for three days. Visual acuity in the right eye was 6/6, whereas it was 6/9 in the left eye.

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Article Synopsis
  • Cataracts are a leading cause of preventable blindness, and early identification is crucial to prevent complications like lens-induced glaucoma (LIG), which can damage the optic nerve.
  • A study from Hospital Sultanah Nur Zahirah in Malaysia analyzed data from 2011 to 2017, finding 81 cases of LIG out of 7,468 cataract surgeries, with an increasing trend in cases over the years.
  • The majority of LIG patients were elderly women aged 70-79, and the study suggests that more outreach and educational programs are needed to raise awareness and facilitate treatment for cataracts in the community.
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Background: Chronic kidney disease (CKD) is a major public health issue because of the rising number of patients with the risk of progression to end-stage renal disease. The retinal micro-vasculatures provide a unique window to assess systemic microcirculation. Optical Coherence Tomography Angiography (OCTA) parameters may provide a non-invasive method for systemic correlation.

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Interstitial interface keratitis (IIK) in lamellar keratoplasty is a term used to describe infectious keratitis that primarily involves the graft-host interface. It poses specific challenges due to impaired access for microbiological testing and poor penetration of antimicrobial drugs, as well as ease of deeper extension of the microorganism. A 33-year-old male with a medical history of left eye deep anterior lamellar keratoplasty (DALK) with keratoconus, subsequently complicated with steroid-induced glaucoma controlled with Xen tube insertion, presented with acute left eye pain and redness for two days due to one broken corneal graft suture at 5 o'clock position with infiltrate at the graft-host junction.

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Corneal nodular lesions are not uncommon in clinical practice. Diagnosing and managing this condition can be challenging due to its variable causes. This article highlights three cases of corneal nodular lesions.

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