PubMed · 4052264
A microprocessor-driven one-operator forced-choice preferential looking apparatus.
Abstract
Forced-choice preferential looking (FPL) is a behavioural technique for the estimation of visual acuity in preverbal children. We have constructed an electromechanical FPL apparatus controlled by a microprocessor requiring just one operator. Sixty-three babies aged between six weeks and eleven months were evaluated with an overall success rate of 83% in obtaining an acuity measurement. FPL is a practical method for measurement of infant visual acuity in the ophthalmic clinic setting.
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G A Gole, D J Coster. 1985. A microprocessor-driven one-operator forced-choice preferential looking apparatus.. https://doi.org/10.1111/j.1442-9071.1985.tb00417.x
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