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The critical frequency of flicker fusion in the central and four peripheral points of the retina was investigated in 12 test subjects during and after one hour exposure to wide-band noise of 95 dBA. The subjects showed two types of response: three displayed an increase and nine a decrease of the flicker fusion critical frequency as compared to the control(More)
Light sensitivity of the central and peripheral parts of the human retina has been studied in an hour exposure to broadband noise of 95 dBA intensity and in an after-effect period. The indices of time threshold of dark adaptation and the visual acuity restoration time at reduced brightness were analysed. Four types of response to acoustic stimulus have been(More)
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