We close our eyes when large amount of light falls on it . It is a reflex action , an involuntary action . The cells called red cells and cone cells in the eye control the passage of light through our eyes .
When a concentrated ray of light falls on our eyes , the red and cone cells in the eye can not handle it . The condition may lead to blindness . So these cells send a message to the spinal cord about the consequences . Spinal cord sends the command to the eyelids to close to prevent further damage .
Closing the eyes when large amount of light falls on it is the mechanism of self protection .
When a concentrated ray of light falls on our eyes , the red and cone cells in the eye can not handle it . The condition may lead to blindness . So these cells send a message to the spinal cord about the consequences . Spinal cord sends the command to the eyelids to close to prevent further damage .
Closing the eyes when large amount of light falls on it is the mechanism of self protection .
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