The New Encyclopaedia Britannica, Volume 7Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 96
... Retina organi tion Secre and of ac hum Blinking Voluntary full closure of lids Tear reflexes Centring images. B Figure 6 : The retinal cells directly involved in the visual process . ( A ) Rod and ( B ) cone cells , the photoreceptors ...
... Retina organi tion Secre and of ac hum Blinking Voluntary full closure of lids Tear reflexes Centring images. B Figure 6 : The retinal cells directly involved in the visual process . ( A ) Rod and ( B ) cone cells , the photoreceptors ...
Page 112
... retina . Objects are perceived in defi- nite positions in space - positions definite in relation to each other and to the percipient . The first problem is to analyze the physiological basis for this spatial perception or , as it is ...
... retina . Objects are perceived in defi- nite positions in space - positions definite in relation to each other and to the percipient . The first problem is to analyze the physiological basis for this spatial perception or , as it is ...
Page 121
... retina creates a sensation of light no- ticed by the person affected as flashes that occur on move- ment of the eye . When an actual tear has developed , the retina starts to become detached and the person has the sensation of a shadow ...
... retina creates a sensation of light no- ticed by the person affected as flashes that occur on move- ment of the eye . When an actual tear has developed , the retina starts to become detached and the person has the sensation of a shadow ...
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