Martin

Question 1

What are the lower order aberrations

Answer 1

Defocus and astigmatism

Question 2

What are the main high order aberrations

Answer 2

Spherical, coma and trefoil

Question 3

Which wavelengths are more refracted, shorter or longer

Answer 3

Shorter

Question 4

What quantifies the amount of dispersion produced by an optical element

Answer 4

Dispersive power

Question 5

As the dispersive power increased, ,the dispersion of the optical element _____

Answer 5

Increases

Question 6

Each optical element is selected based on 2 important factors

Answer 6

Refractive index and abbe number

Question 7

As the abbe number increases, dispersion ____

Answer 7

Decreases

Question 8

The separation of white light into its component elements by an optical element is

Answer 8

Chromatic dispersion

Question 9

Dispersion of water varies how much across visual spectrum

Answer 9

1%

Question 10

Distance between image planes

Answer 10

LCA

Question 11

Variation of power with wavelength

Answer 11

Chromatic difference of power

Question 12

If measuring image space on the retina

Answer 12

Chromatic difference of power

Question 13

If measuring object space

Answer 13

Chromatic difference of refraction

Question 14

The vergences of source for which the source is focused at the retina for a range of wavelengths (different object distances)

Answer 14

Chromatic difference of refraction

Question 15

Variateion of position of image on retina

Answer 15

TCA

Question 16

TCA may be specified by the ____ between refracted rays for different wavelengths

Answer 16

Angle

Question 17

The variation of position with wavelength

Answer 17

Chromatic difference of position

Question 18

Variation of magnification with wavelength

Answer 18

Chromatic difference of magnification

Question 19

Which to “chromatic difference of ___” go with LCA

Answer 19

Power and refraction

Question 20

Which 2 “chromatic diff of ___” go with TCA

Answer 20

Position and magnification

Question 21

LCA range is about

Answer 21

2.1 D

Question 22

Does the LCA of our eye change over our life? Why?

Answer 22

No; bc the chromatic aberration is determined by dispersion of media (not refractive index)

Question 23

Mean magnitude of foveal TCA

Answer 23

.82 arcmin of visual angle

Question 24

Lower wavelength makes the eye more _____

Answer 24

Myopic

Question 25

Higher wavelength makes the eye more _____

Answer 25

Hyperopic

Question 26

The magnitude of the affect of magnification depends on

Answer 26

Axial distance (z)

Question 27

Chromatic difference of position (TCA) induces _____ which affect image contrast

Answer 27

Phase shift

Question 28

A point object emitting 2 wavelength of light will produce a double retinal image which gives rise to the perception of a double object

Answer 28

Chromatic Diplopia

Question 29

A stereoscopic illusion in which different colored objects located at same viewing distance appear the lie at different distances

Answer 29

Chromostereopsis

Question 30

What color appears closer f

Answer 30

Red

Question 31

An effect of TCA combined with bino vision

Answer 31

Chromostereopsis

Question 32

Which appears closer if pupils are displaced temporally

Answer 32

Red

Question 33

Which appears closer if pupils are displaced nasally

Answer 33

Blue