Keratometer parts

Question 1

Identify A, B, C

Answer 1

A Chin Rest Adjusting Knob
B Rotating Grip for Locating the Axis
C Chin Rest

Question 2

Identify D, E, F

Answer 2

D Locking Knob
E Elevating Knob

F Eyepiece

Question 3

Identify G, H, I

Answer 3

G Head Rest
H Occluding Shield
I Head Rest Adjusting Knob

Question 4

Identify J, K, L, M

Answer 4

J Vertical Meridan Marker (axis)

K Leveling Sight

L Horizontal Measuring Drum

M Focusing Knob