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Ocular dimensions and refractive power in Malay and Melanesian children

Garner LF, Meng CK, Grosvenor TP, Mohidin N

Ophthalmic Physiol Opt, 1990 Jul;10(3):234-8.

A cross-sectional study of 753 Melanesian children in Vanuatu and 904 Malay children in Malaysia included measurement of refractive error and ocular dimensions. All children were between the ages of 6 and 17 years. The prevalence of myopia in Malay children was 4.3% at 7-8 years and 25.6% at 15-16 years with corresponding figures of 0.8% and 4.3% for Melanesian children. The range of refractive error was greater for Malay children at all ages. Mean refractive error for Malay children showed greater hypermetropia, together with a shorter axial length at 6 years, than Melanesian children, but at 17 years the situation reversed and Malay children had more myopia and longer axial lengths than their Melanesian counterparts.

Matched MeSH terms: Refractive Errors/ethnology*

Assessment of optic disc parameters among healthy adult Malays by Heidelberg Retinal Tomograph II

Jusoh S, Shaharuddin B, Wan Hitam WH

Clin Exp Ophthalmol, 2011 Jan;39(1):15-22.

PMID: 20659136 DOI: 10.1111/j.1442-9071.2010.02385.x

This study aims to assess the optic disc characteristics in healthy adult Malays and to correlate them with age, gender and refractive errors.

Matched MeSH terms: Refractive Errors/ethnology

Fulltext Status of visual impairment among indigenous (Orang Asli) school children in Malaysia

Omar R, Wan Abdul WMH, Knight VF

BMC Public Health, 2019 Jun 13;19(Suppl 4):543.

PMID: 31196018 DOI: 10.1186/s12889-019-6865-3

BACKGROUND: School children are considered a high-risk group for visual impairment because uncorrected refractive errors and problems such as amblyopia can seriously affect their learning abilities and their physical and mental development. There are many studies reporting the prevalence of refractive errors among school children of different ethnic groups in Malaysia, however, studies concerning the prevalence of refractive errors among indigenous or Orang Asli children are very limited. Therefore, the objective of this study was to determine the prevalence and causes of visual impairment among Orang Asli children.

METHODS: One hundred ten Orang Asli children aged 7 to 12 years old in Negeri Sembilan, Malaysia were selected. 51% of these children were boys while the remainders were girls. They underwent visual acuity test, cover test, Hirschberg's test, ocular external assessment and ophthalmoscopy. Children who failed the vision screening were then referred for further eye examination.

RESULTS: Of these 110 Orang Asli children, 46 failed the vision screening and subsequently 45 of them were confirmed to have visual problems (40.9% of the total subjects). The main cause of visual impairment in this study was refractive error (34.5% of the total subjects) where the main refractive error found was hyperopia (28.2%) followed by amblyopia (2.7%), strabismus (1.8%) and ocular abnormalities (1.8%).

CONCLUSION: Hence, vision screening and a comprehensive eye examination is very important and needs to be done on all Orang Asli children so that any visual problems can be detect at an early stage to avoid the development of learning difficulties among these already disadvantaged children.

Matched MeSH terms: Refractive Errors/ethnology

Ethnicity-specific prevalences of refractive errors vary in Asian children in neighbouring Malaysia and Singapore

Saw SM, Goh PP, Cheng A, Shankar A, Tan DT, Ellwein LB

Br J Ophthalmol, 2006 Oct;90(10):1230-5.

PMID: 16809384

To compare the prevalences of refractive errors in Malay, Chinese and Indian children in Malaysia and Singapore.

Matched MeSH terms: Refractive Errors/ethnology*

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