3 Correction Of Myopia And Hyperopia

Question 1

(TP) Chuck’s far point is… .(-10.00 myope)

Answer 1

10cm in front of the eye!!

Question 2

(TP) Bill’s far point is… (+10.00 hyperope)

Answer 2

10cm behind the eye

Question 3

The anterior focal distance is from _ to _.

The posterior focal distance is from __ to ___.

Answer 3

F to P

P’ to F’

Question 4

(TP) EYE: EMMETROPIC TRIAL FRAME LENS: +1.00 D THIS ‘EYE+LENS’ SYSTEM IS…
A. Emmetropic
B. Myopic -1.00
C. Hyperopic +1.00

Answer 4

MYOPIC -1.00!

Eye more powerful…myopia!!

Question 5

(TP) EYE: EMMETROPIC trial frame lens: -1.00D this system is..

A. Emmetropic
B. Myopic -1.00
C. Hyperopic +1.00

Answer 5

Hyperopic +1.00

Question 6

(TP) EYE: MYOPIC -1.00 trial frame lens: +1.00D this system is..

Myopic -1.00
Myopic -2.00
Hyperopic +1.00
Emmetropic

Answer 6

Myopic -2.00!!

Question 7

(TP) EYE: MYOPIC -1.00 TRIAL FRAME LENS: -1 00D THIS ‘EYE +LENS’ SYSTEM IS…
A. Myopic -1.00 
B. Myopic -2.00 
C. Hyperopic +1.00 
D. Emmetropic

Answer 7

D. Emmetropic!!

Question 8

EYE: HYPEROPIC +1.00 TRIAL FRAME LENS: +1 .00D THIS ‘EYE + LENS’ SYSTEM IS…
A. Myopic -1.00 
B. Myopic -2.00 
C. Hyperopic +1.00 
D. Emmetropic

Answer 8

C. Hyperopic +1.00D

Question 9

When you decrease optical power, you’re diverging using a minus lens. What are you correcting?

Answer 9

Myopia

Question 10

When you increase optical power, you use a converging positive lens. What are you correcting?

Answer 10

Hyperopia