OPT-2501-Cntct Lns Theory II Unit 1

Question 0

NAME AN ADJUSTMENT THAT USUALLY REQUIRES A NEW LENS.

Answer 0

CHANGING THE BASE CURVE

Question 1

A MARCO RADIUSCOPE MEASURES THE BASE CURVE OF A LENS IN INCREMENTS OF:

Answer 1

0.01mm

Question 2

WHICH OF THE FOLLOWING POLISHING COMPOUNDS SHOULD NOT BE USED WITH GAS PERMEABLE LENSES?

Answer 2

SILVO

Question 3

THE DIAMETER OF A RIGID CONTACT LENS CAN BE REDUCED BY ALL OF THE FOLLOWING EXCEPT:

Answer 3

PITCH TECHNIQUE

Question 4

WHICH OF THE FOLLOWING MODIFICATIONS CANNOT BE PERFORMED ON A RIGID CONTACT LENS?

Answer 4

STEEPEN PERIPHERAL CURVES

Question 5

ALL CONTACT LENS MODIFICATIONS TEND TO _____ THE LENS FIT.

Answer 5

LOOSEN

Question 6

IN ORDER TO EFFECT A SMOOTH BLEND ON A CONTACT LENS WHICH HAS A 10.50mm PPC,AND A 7.50mm CPC, ONE WOULD USE WHICH OF THE FOLLOWING TOOLS(WITH .4MM SOFT PAD)?

Answer 6

8.60mm

Question 7

THE ANSI TOLERANCE FOR CONTACT LENS THICKNESS IS:

Answer 7

.02mm

Question 8

THE DIOPTRIC POWER OF A LENS IS MEASURED BY A________.

Answer 8

LENSMETER

Question 9

IF THE MIRES OF A RADIUSCOPE ARE NOT IN FOCUS IN ALL MERIDIANS IT INDICATES:

Answer 9

WARPAGE