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

How to caluculate the luminous efficiency?

1 Answers   Matrix,


What is your definition of a quasar?

1 Answers  


what is the difference between monochromatic and chromatic aberrations?

1 Answers  


How can you change the colors of the lasers and is one color stronger that the other?

1 Answers  


What is dark matter?

1 Answers  






What is Hawking Radiation?

1 Answers  


what is the use of photometre?

1 Answers  


Do neutrinos have mass?

1 Answers  


What is the difference between Diffraction and Refraction?

3 Answers  


Are there new states of matter at ultrahigh temperatures and densities?

1 Answers  


What is gravity?

1 Answers  


what are black holes?

1 Answers   NTPC,


Categories