International Journal of Ophthalmology Research

International Journal of Ophthalmology Research


International Journal of Ophthalmology Research
International Journal of Ophthalmology Research
Vol. 1, Issue 1 (2019)

Explaining refractive errors by formula in practice for optician


Duong Dieu

Globally, 19 million children are living with vision impairment and approximately 12 million children have a significant, uncorrected refractive error [1]. Children in China are affected about 78% of myopia [2]. In Vietnam, the percentage of children with refractive errors is from 15-40 %, and about 3 million children needed glasses [3]. The ratio of Ophthalmologist/Optician /1000 people in Vietnam are low. In training refractive errors for optician some considerations are necessary. This paper introduces some formula for explaining in diagnosis refractive errors for optician in practice.
Pages : 36-38 | 470 Views | 195 Downloads