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Acorn (RISC OS) Sprite  |  1995-06-26  |  307KB  |  640x480  |  8-bit (121 colors)
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OCR: HELP Finding the blindspot of your eye This activity helps you to see where the blindspot of your eye is. You cannot see an image which appears on this part of your eye. You will need pencil some paper, ruler and some crayons 11 Make marks on the paper about cm apart Draw dog on the left hand mark and cat on the other. 3 Now close your left eye and cover itwith your hand. Stare atthe dog Bring the paper slowly towards you The cat will suddenly disappear 5 Now close your right eye and stare at the cat Move the paper towards you again The dog will disappear This trick works because your retina has spot on it which is not sensitive to light and the image of the cat or dog is faling on the blind spot. blincspot bindsno cravons suddenh mace falling