what is astigmatism?



what is astigmatism?..

Answer / sandhya

It is the defect of the eyes.In this case eye cannot
distinguish the colours.All colours appears the same.This
is due to the defect in cones and due to the deficiency of
Iodopsin the pigment present in cones.

Is This Answer Correct ?    0 Yes 1 No

Post New Answer

More Physics Interview Questions

What is your definition of a quasar?

1 Answers  


what is Lambert's cosine law?

1 Answers  


what is floation?

1 Answers  


Einstein said that if something could travel at light speed its mass would duplicate. How could it be?

1 Answers  


What is the difference between Diffraction and Refraction?

3 Answers  






how to caluculate buoyant force in accelerating fluids?

3 Answers   NTPC,


How is time changed in a Blackhole?

1 Answers  


Is a new theory of light and matter needed to explain what happens at very high energies and temperatures?

0 Answers  


How to caluculate the coefficient of restitution?

1 Answers  


what is principle of superposition?

1 Answers  


Do neutrinos have mass?

1 Answers  


why do some stars end up as black holes but others don't?

1 Answers  


Categories