3 prism diopters means 61- 3cm displaced at distance of 1m 0 b- 1.5 cm displaced at distance of 0.5 m C) c. a and b are correct. QUESTION 13 The angle of deviation of a CR39 prism with an apical angle of 6.5 degrees is 6- 3.19 degrees 0 b- 9.69 degrees 0 c. 3.19 prism diopter QUESTION 14 Select all that applies for prism diopter is C] lateral displacement is measured in centimeter D the ratio between lateral displacement the distance C] lateral displacement is measured in meters [3 3 prism diopter means the lateral displacement is 3m at a distance of 1m [:1 3 prism diopter means the lateral displacement is 3 cm at a distance of 1m the ratio between the distance and the lateral displacement QUESTION 9 Vertical prisms having the base in the opposite direction will create conjunctive movement of the eyes and the prismatic effect is produced by the sum of the two prisms. O True False QUESTION 10 The prismatic effect of vertical prisms is adding if the prisms have the same direction. True 0 False QUESTION 11 A patient has a nasal right eye turn of 6 degrees from the straight ahead direction. What prismatice power is used to compensate for this condition? 0 a. 10.5A , Base Out @ b- 10.5 A , Base [N O C- 3.0A , Base Out