Question

write functions of following component of eye . Eye lens , retina , iris , optic nerve

Answer 1

Retina- is the light sensitive screen where image is formed.
Iris- Regulates the size of pupil.
Pupil- regulate the ammount of light entering in our eye.
Cornea- thin membrane from where the light enter.
Optic nerve- connect eye to brain it tkes the impulse from the retina and send it to brain.
lens- it changes the focal distance of eye so thet we can see objct at diff places.

Answer 2

HEYA!!!!


FOLLOWING ARE THE FUNCTION OF EYE COMPONENT.



1) EYE LENS:-

EYE LENS IS OF CONVEX LENS WHICH ALLOW REFRACTION THROUGH ITS LENS.




IT IS A CONVEX LENS OF ADJUSTING FOCAL LENGTH OF THE OBJECT PLACE AT DIFFERENT DISTANCE.






2) RETINA:-




IT IS A DELICATE MEMBRANE WHERE THE LIGHT ENTERING THE EYES FROM REAL AND INVERTED IMAGE OF OBJECT.






AT RETINA THE IMAGE IS FORMED.


WITH THE ADJUSTMENT OF DIFFERENT FOCAL LENGTH.





3) IRIS:-



IT IS A COLOURED MUSCULAR DIAPHRAGM THAT GIVES I THAT DISTINCTIVE COLOUR IT CONTROL THE AMOUNT OF LIGHT BY CHANGING THE SIZE OF PUPIL.








4) OPTIC NERVE:-



IT TRANSMIT INFORMATION ABOUT IMAGE TO THE BRAIN FOR FURTHER PROCESSING.




IT IS CONSIST OF ROAD AND CONS.






HOPE IT HELPES!!!!!!!!



THANKS