Displaying publications 1 - 20 of 96 in total

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  1. Abu Bakar NF, Chen AH, Md Noor AR, Goh PP
    Singapore Med J, 2012 Aug;53(8):541-4.
    PMID: 22941133
    The visual status of children with learning disabilities has not been extensively studied. This study aimed to compare vision disorders between children in mainstream classes and those with learning disabilities attending special education classes in government primary schools in Malaysia.
    Matched MeSH terms: Vision Disorders/epidemiology*
  2. Ali O, Rampal KG
    Med J Malaysia, 1988 Sep;43(3):232-6.
    PMID: 3266522
    Matched MeSH terms: Vision Disorders/epidemiology*
  3. Aniza, I., Azmawati, M.N., Jamsiah, M., Idayu, B.I., Mae Lynn, C.B.
    MyJurnal
    Prevalence of visual impairment among students is increasing in trends especially in rural area. A cross sectional study was conducted among secondary school students in Taman PKNS Beranang, Selangor in March 2008 with the objective of determining the prevalence of visual acuity impairment and its influencing factors. A total of 77 secondary school students were interviewed using guided questionnaire. The prevalence of visual acuity impairment among the respondents was 25.0% and study found that being female and have been watching television at a distance of less than two meters were significantly associated with visual acuity impairment. In conclusion, the problem occurred maybe due to the students sit nearer to the television (
    Matched MeSH terms: Vision Disorders
  4. Annamalai T, Fong KC, Choo MM
    J Ocul Pharmacol Ther, 2011 Feb;27(1):105-7.
    PMID: 21235384 DOI: 10.1089/jop.2010.0117
    To report a case of bilateral endogenous candida endophthalmitis treated with intravenous fluconazole.
    Matched MeSH terms: Vision Disorders/etiology
  5. Ayyamani UD
    Med J Malaysia, 1986 Mar;41(1):4-11.
    PMID: 3796347
    Selected students were subjected to a general health appraisal including vision and hearing tests by teachers, nurses and finally a medical officer. The findings of all three examiners were then compared taking the results of the medical officer as the indicator of accuracy. The findings of the survey indicated that the problems of school children were similar to those reported by other workers and by MCH Division of the Ministry of Health namely dental caries, head lice, malnutrition, skin infections and visual disability. Other problems like skeletal deformity and abnormalities of heart, lung, speech and behaviour were extremely uncommon and formed only 1.5% of the total. Teachers and nurses performed extremely well in relation to the doctor with 93% and 95.8% concurrence respectively in detecting these abnormalities. Teachers were also requested to give a feedback on their view of and role in the SHS as well as problems faced in following the school health card. The majority perceived the SHS as a joint effort between the Ministry of Health and Education and agreed that they had a role to play in the SHS. Many teachers also indicated a willingness to carry out the various tasks in the SHS. The main problem in filling the school health card seemed to be in getting relevant details from parents though over 50% of teachers complained that there were too many details to fill. The role of teachers in the SHS is discussed in the light of the findings of the study and recommendations are made.
    Matched MeSH terms: Vision Disorders
  6. Azhany Y, Nani D, Zunaina E
    Malays Fam Physician, 2012;7(1):43-4.
    PMID: 25606247 MyJurnal
    Matched MeSH terms: Vision Disorders
  7. Bakar NF, Chen AH, Noor AR, Goh PP
    Malays J Med Sci, 2012 Apr;19(2):48-55.
    PMID: 22973137 MyJurnal
    The epidemiological study of vision problems is important for developing national strategies for the prevention of visual impairment. There was a lack of information regarding vision problems among school children in East Malaysia. The purpose of this study was to compare the refractive errors and degrees of visual impairment between Native Iban and Malay school children who participated in a formal government vision loss prevention programme conducted in a rural area of Betong Division, Malaysia.
    Matched MeSH terms: Vision Disorders
  8. Bashkaran K, Shatriah I, Zunaina E, Bakiah S, Sakinah Z
    Orbit, 2009;28(6):377-9.
    PMID: 19929663 DOI: 10.3109/01676830903104678
    Sinusitis is a rare cause of optic neuritis in children. This case illustrates bilateral optic neuritis in a 9-year-old child caused by pansinusitis. It demands an accurate diagnosis with a prompt management. A proper treatment of sinusitis is essential to prevent this complication.
    Matched MeSH terms: Vision Disorders/diagnosis; Vision Disorders/drug therapy; Vision Disorders/etiology
  9. Byrne E, Horowitz M, Dunn DE
    Med J Aust, 1980 May 31;1(11):547-8.
    PMID: 6248745
    While a prisoner-of-war in Malaya from 1942-1945, a 29-year-old man developed a painful sensorimotor neuropathy, bilateral central scotomata and sensorineural deafness. Examination 34 years later, after a long period of adequate nutrition, revealed considerable residual deficit. Nerve conduction studies suggested axonal degeneration with prominent collateral reinnervation. This case of Strachan's syndrome is reported to draw attention to the limited functional recovery and to focus attention on this condition at a time when famine conditions are rife in Southeast Asia.
    Matched MeSH terms: Vision Disorders/etiology
  10. Che Hamzah J, Daka Q, Azuara-Blanco A
    Eye (Lond), 2020 01;34(1):155-160.
    PMID: 31772381 DOI: 10.1038/s41433-019-0669-7
    Glaucoma services are overwhelmed and struggling to accommodate current demand. Reducing the need for hospital based services would improve our ability to see those most at risk of vision loss, which could both reduce demand and improve patient outcomes. Digital technologies that provide opportunities for home monitoring of glaucoma progression have potential to contribute to solve these challenges and, potentially, improve glaucoma care. This article will review the literatures of well-established technologies that support home monitoring for glaucoma, specifically home tonometry (with rebound tonometry) and perimetry with Moorfields Motion Displacement Test and Melbourne Rapid Field.
    Matched MeSH terms: Vision Disorders
  11. Chendran P, Meng Hsien Y, Wan Abdul Halim WH
    Case Rep Ophthalmol Med, 2019;2019:6862487.
    PMID: 31885979 DOI: 10.1155/2019/6862487
    Incidence of cornea melting or perforation is commonly seen in variety of cornea conditions. It can cause debilitating vision loss and impair patient's daily activity. Several techniques have been described to surgically treat cornea perforation and melting. In this article, a series of corneal diseases treated with corneal patch graft are highlighted to relate different approach of cornea patch graft surgery. Post-operative management and complications are discussed.
    Matched MeSH terms: Vision Disorders
  12. Chew C, Wan Hitam WH, Ahmad Tajudin LS
    Cureus, 2021 Mar 31;13(3):e14200.
    PMID: 33936906 DOI: 10.7759/cureus.14200
    Leptomeningeal carcinomatosis (LC) and optic nerve metastasis are uncommon occurrences in breast cancer. We report a rare case of LC with optic nerve infiltration secondary to breast cancer. A 45-year-old lady who was a known case of treated right breast carcinoma six years ago presented with a blurring of vision in both eyes, floaters, and diplopia for one month. She also had recurrent attacks of seizure-like episodes, headache, and vomiting. Examination revealed high blood pressure with tachycardia. Her right eye visual acuity was counting fingers at two feet and 6/36 in the left eye. She had right abducens nerve palsy. Fundoscopy showed bilateral optic disc swelling with pre-retinal, flame-shaped haemorrhages and macular oedema. CT scan of brain and orbit was normal. She was admitted for further investigations. While in the ward, her vision deteriorated further. Her visual acuity in both eyes was at the level of no perception to light. She also developed bilateral abducens nerve palsy and right facial nerve palsy. Subsequently, she started having bilateral hearing loss. There were few episodes of fluctuations in conscious awareness. MRI brain showed mild hydrocephalus. Both optic nerves were thickened and enhanced on T1-weighted and post-gadolinium. Lumbar puncture was performed. There was high opening pressure. Cerebrospinal fluid cytology showed the presence of malignant cells. Family members opted for palliative care in view of poor prognosis. Unfortunately, she succumbed after a month's stay in hospital. Diagnosis of LC and optic nerve infiltration presents a formidable challenge to clinicians especially in the early stages where neuroimaging appears normal and lumbar puncture has high false negatives. Multiple high-volume taps are advised if clinical suspicion of LC is high.
    Matched MeSH terms: Vision Disorders
  13. Chew FL, Yong CK, Mas Ayu S, Tajunisah I
    Age Ageing, 2010 Mar;39(2):239-45.
    PMID: 20065356 DOI: 10.1093/ageing/afp259
    BACKGROUND: hip fractures are an increasing source of morbidity and mortality in older people. The role of visual function tests such as visual impairment, stereopsis, contrast sensitivity and visual field defects in low fragility hip fractures in Asian populations is not well understood.
    OBJECTIVE: to determine the association between various visual function tests and low fragility hip fractures in an Asian population.
    DESIGN: case-control study.
    SETTING: University Malaya Medical Centre, Kuala Lumpur, Malaysia.
    SUBJECTS: 108 cases aged > or = 55 years admitted with low fragility fractures and 108 controls (matched for age, gender and race).
    METHODS: both cases and controls underwent a detailed ophthalmological examination, which included visual acuity, stereopsis, contrast sensitivity and visual field testing.
    RESULTS: poorer visual acuity (odds ratio, OR = 4.08; 95% confidence interval, CI: 1.44, 11.51), stereopsis (OR = 3.60, 95% CI: 1.55, 8.38), contrast sensitivity (OR = 3.34, 95% CI: 1.48, 7.57) and visual field defects (OR = 11.60, 95% CI: 5.21, 25.81) increased the risk of fracture. Increased falls were associated with poorer visual acuity (OR = 2.30, 95% CI: 1.04, 5.13), stereopsis (OR = 2.11, 95% CI: 1.03, 4.32), contrast sensitivity (OR = 2.12, 95% CI: 1.05, 4.30) and visual field defects (OR = 3.40, 95% CI: 1.69, 6.86).
    CONCLUSION: impaired visual acuity, stereopsis, contrast sensitivity and visual field defects are associated with an increased risk of low fragility hip fractures. We recommend that all patients aged > or = 55 should have an annual ophthalmological examination that includes visual acuity, contrast sensitivity, stereopsis and visual field testing to assess the risks for falls and low fragility fractures.
    Matched MeSH terms: Vision Disorders/complications*
  14. Chew FLM, Thavaratnam LK, Shukor INC, Ramasamy S, Rahmat J, Reidpath DD, et al.
    Med J Malaysia, 2018 02;73(1):25-30.
    PMID: 29531199 MyJurnal
    INTRODUCTION: Little is known regarding the extent of visual impairment amongst pre-school children in Malaysia.

    OBJECTIVE: To determine the prevalence of visual impairment and amblyopia in Malaysian preschool children.

    METHODOLOGY: A cross-sectional, population-based study was conducted on children aged four to six years from 51 participating kindergartens in the district of Segamat, Johor, Malaysia from 20 March 2016 to 6 April 2016. All subjects had initial eye screening consisting of LogMar visual acuity, orthoptics examination and Spot vision screener assessment. Subjects who failed the initial eye screening were invited for a formal eye assessment consisting of cycloplegic refraction and a comprehensive ocular examination. Definitions of visual impairment and amblyopia were based on the Multi-Ethnic Pediatric Eye Disease Study criteria.

    RESULTS: A total of 1287 children were recruited. Mean subject age was 5.03 (SD:0.77) and males represented 52.3% of subjects. Subjects by ethnicity were Malay (54.8%), Chinese (27.7%), Indian (15.6%) and Orang Asli (1.9%). Formal eye assessment was required for 221 subjects and 88.8% required ophthalmic intervention. Refractive error, representing 95.4% of diagnosed ocular disorders, comprised of astigmatism (84%), myopia (9%) and hypermetropia (6.9%). With-the-rule astigmatism was present in 93.4% of the subjects with astigmatism. Visual impairment was present in 12.5% of our subjects, with 61% having bilateral visual impairment. Of the subjects with visual impairment, 59.1% had moderate visual impairment. The prevalence of amblyopia was 7.53%, and 66% of the amblyopic subjects had bilateral amblyopia.

    CONCLUSION: Our study highlights an urgent need for initiation of preschool vision screening in Malaysia.

    Matched MeSH terms: Vision Disorders
  15. Chew FLM, Salowi MA, Mustari Z, Husni MA, Hussein E, Adnan TH, et al.
    PLoS One, 2018;13(6):e0198799.
    PMID: 29944677 DOI: 10.1371/journal.pone.0198799
    BACKGROUND: Population-based data on prevalence, causes of blindness and extent of ophthalmological coverage is required for efficient implementation and evaluation of ocular health programs. In view of the scarcity of prevalence data for visual impairment and blindness in Malaysia, this study aims to estimate the prevalence and causes of visual impairment (VI) in the elderly, using Rapid Assessment of Avoidable Blindness (RAAB) survey technique.

    METHODS: Malaysia was divided into six regions, with each region consisting of 50 clusters. Multistage cluster sampling method was used and each cluster contained 50 residents aged 50 years and above. Eligible subjects were interviewed and pertinent demographic details, barriers to cataract surgery, medical and ocular history was noted. Subjects had visual acuity assessment with tumbling 'E' Snellen optotypes and ocular examination with direct ophthalmoscope. The primary cause of VI was documented. Results were calculated for individual zones and weighted average was used to obtain overall prevalence for the country. Inter-regional and overall prevalence for blindness, severe VI and moderate VI were determined. Causes of VI, cataract surgical coverage and barriers to cataract surgery were assessed.

    RESULTS: A total of 15,000 subjects were examined with a response rate of 95.3%. The age and gender-adjusted prevalence of blindness, severe visual impairment and moderate visual impairment were 1.2% (95% Confidence Interval: 1.0-1.4%), 1.0% (95%CI: 0.8-1.2%) and 5.9% (5.3-6.5%) respectively. Untreated cataract (58.6%), diabetic retinopathy (10.4%) and glaucoma (6.6%) were the commonest causes of blindness. Overall, 86.3% of the causes of blindness were avoidable. Cataract surgical coverage (CSC) in persons for blindness, severe visual impairment and moderate visual impairment was 90%, 86% and 66% respectively.

    CONCLUSION: Increased patient education and further expansion of ophthalmological services are required to reduce avoidable blindness even further in Malaysia.

    Matched MeSH terms: Vision Disorders/diagnosis; Vision Disorders/epidemiology*
  16. Chong AW, Prepageran N, Rahmat O, Subrayan V, Jalaludin MA
    Ear Nose Throat J, 2011 Feb;90(2):E13.
    PMID: 21328215
    We report the rare occurrence of bilateral asymmetrical mucoceles of the paranasal sinuses that resulted in a unilateral orbital complication. The patient was a 47-year-old woman who presented with complaints of diplopia, blurred vision, and protrusion of her right eye that had progressed over a period of several months following an upper respiratory tract infection. Computed tomography detected the presence of two large, asymmetrical mucoceles. The lesion on the right involved the frontal and ethmoid sinuses, and the one on the left involved the ethmoid sinus. The mucoceles were locally expansile and had eroded the surrounding bony structures on the right. The expansile nature of the right-sided mass had displaced the right orbit, which was the cause of the vision deterioration. Transnasal endoscopic surgery was performed to excise and marsupialize the mucoceles. This modality was preferred over conventional open surgery because it affords good visualization, it is safe, and it is a less morbid procedure. The patient's recovery was uneventful, and she was discharged home on the third postoperative day. On continuing follow-up, her vision had improved, her intraocular pressure had returned to normal, and her orbits were in their normal position. Based on our literature search, no case of bilateral frontal and ethmoid sinus mucoceles has been previously reported.
    Matched MeSH terms: Vision Disorders/etiology*
  17. Chong PK, Loo AV, Alagaratnam JV
    Med J Malaysia, 2007 Oct;62(4):343-4.
    PMID: 18551944 MyJurnal
    We report a three year follow up of a 35-year-old Indian gentleman who presented with sudden, painless blurring of left (L) eye vision with initial visual acuity (VA) of 6/60. Fundoscopy revealed (L) vitreous haemorrhage and subsequently confirmed a (L) inferotemporal capillary haemangioma. The adjacent area of capillary haemangioma was treated with barricade argon laser photocoagulation to prevent progression of exudative retinal detachment inferiorly. Subsequent follow up showed mild regression of capillary haemangioma with maintenance of (L) eye vision at 6/9.
    Matched MeSH terms: Vision Disorders/diagnosis*; Vision Disorders/physiopathology
  18. Chow SY, Draman N, Teh WM, Azhany Y
    Malays Fam Physician, 2017;12(3):42-46.
    PMID: 29527282 MyJurnal
    Visual loss is a common presenting complaint in primary care. We present a case of recurrent transient visual loss in a middle aged woman. Her funduscopy showed bilateral optic disc swelling. We have highlighted the differentiation of bilateral optic disc swelling at the primary care level as the management differs according to the diagnosis.
    Matched MeSH terms: Vision Disorders
  19. Chung KM, Mohidin N, Yeow PT, Tan LL, O'Leary D
    Optom Vis Sci, 1996 Nov;73(11):695-700.
    PMID: 8950751
    We performed a vision screening of 1883 Chinese schoolchildren from 4 schools around Kuala Lumpur in June 1990. The group contained 1083-males and 800 females. Visual acuity, refractive error, oculomotor balance, and axial length were measured. The prevalence of myopia in Chinese schoolchildren was found to be 37% in the 6- to 12-year age group and 50% in the 13- to 18-year age group. Approximately 63% of the sample had unaided visual acuity of 6/6 or better and 24% had unaided acuity of 6/12 or worse. Six hundred twenty-five students (33%) failed the vision screening test and were referred for further examinations. The group which failed the vision screening test and had the highest rate of referral (46%) was the 11- to 12-year-old age group. The most common visual disorder was uncorrected myopia, accounting for 38% of the referrals (235 students). Only 26% of the sample were wearing a spectacle correction.
    Matched MeSH terms: Vision Disorders/epidemiology*; Vision Disorders/physiopathology; Vision Disorders/prevention & control
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