ICSE Class 10 Answered
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Asked by prodyumna02 | 13 Mar, 2019, 12:57: PM
Expert Answer
The sparks of light that are seen while pressing on the closed eyelids are called phosphenes. They occur because mechanical pressure upon the eye energizes the optic nerve, and the mind interprets a signal from the optic nerve as a flash of light, even there is no light on the eyes.
Answered by Sivanand Patnaik | 13 Mar, 2019, 10:48: PM
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