Optics: Stenopaeic Slit

Question 1

What is stenopaeic slit is used as an alternative technique for what?

Answer 1

Determining cylinder

Question 2

What si likely the best option for determining axis when it is difficult with JCC?

Answer 2

Stenopaeic slit

Question 3

How is th pet involved in stenopaeic slit?

Answer 3

Pt will rotate the lens until its clear

Question 4

Look through procedure on slides 3 and 4

Answer 4

/…..

Question 5

Two line images are formed by what?

Answer 5

The two primary meridians

Question 6

Horizontal meridian forms a ______ line image

Answer 6

Vertical

Question 7

Vertical meridian forms a ______ line image

Answer 7

Horizontal

Question 8

A line image being clearest means that letters that contain more of that type of line are _______

Answer 8

Clearest

Question 9

If horizontal and vertical lines are equally close to the retina/equally clear, the clearest letter would be ____

Answer 9

O

Question 10

If horizontal line is closest to the retina/ clearest, the clearest letter would be ____

Answer 10

Z

Question 11

If vertical line is closest to the retina/ clearest, the clearest letter would be ____

Answer 11

N