Computerised eye testing is only a "screening test". It provides an estimation of the eye power. Usually it over-estimates the power. A Manual test is the most Ideal. For children, a dilated eye test is the best. An autorefractor or automated refractor is a computer-controlled machine used during an eye examination to provide an objective measurement of a person's refractive error and prescription for glasses or contact lenses. This is achieved by measuring how light is changed as it enters a person's eye.If you want to know more please contact us at 9711858962
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