Optician Exam Review Questions and Answers

Optician Exam Review Questions and Answers If the center dot you have placed upon the uncut lens while spotting it does not lie directly upon the optical center of the lens: a) The lens is a progressive. b) The lens is a bifocal. c) There is prism in the lens. d) There is a lack of prism in the lens. e) You have spotted the lens wrong. c) There is prism in the lens. Which relationship would illustrate compound hyperopic astigmatism? a) - = + and + = - b) + = - and + = + c) + = - and + = - d) + = + and - = - e) - = + and + = + b) + = - and + = + Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Read More Which relationship goes with this illustration? (Both points of focus are behind the retina) a) + = + / - = - b) + = - / - = + c) + = + / + = + d) - = + / - = - e) + = - / + = + e) + = - / + = + 4) The Rx -1.00 +2.00 X 40 is an example of: a) compound hyperopic astigmatism b) compound myopic astigmatism c) Against-the-Rule astigmatism d) With-the-Rule astigmatism e) oblique astigmatism e) oblique astigmatism You are preparing to block a set of lenses for edging. The frame in the tray measures 55-16 with ED of 60 and B of 56. The work order specifies the Pd as 63/60 with a vertical height of 31. How do you move the lens on your protractor grid if the lens is an OS? a) 4mm right, 3mm up b) 3mm left, 4mm up c) 4mm left, 3mm up d) 2mm right, 4mm up e) 3mm right, 1mm up c) 4mm left, 3mm up Give the reading only Rx if the patients full prescription is: Plano -2.00 X 90-0.25 -2.25 X 180Add +1.75 a) -0.25 +2.00 X 180-0.75 +2.25 X 90 b) +1.75 +2.00 X 180+1.50 +2.25 X 90 c) +1.75 -2.00 X 180+1.50 -2.25 X 90 d) +0.25 +2.00 X 180+0.75 +2.25 X 90 e) -0.25 +2.00 X 90-0.75 +2.25 X 180 a) -0.25 +2.00 X 180-0.75 +2.25 X 90 Which of the following calculations would give you the minimum blank size? a) (A + DBL) - PPD + ED + 2 b) ED + 2(decentration per lens) + 2 c) FPD - PPD + ED + 2 d) 2[(A + DBL) - PPD ÷ 2] e) all of the above e) all of the above If one side of a patient's eyewire is higher on his face than the other one, what could be the cause? a) The earpiece is bent. b) The bridge is skewed. c) The temple shaft is bent. d) The patient's ear is higher on one side. e) all of the above e) all of the above Which is more likely to cause early accommodative problems? a) Head trauma b) Glaucoma c) Hyperopia d) Myopia e) Irregular astigmatism c) Hyperopia What is the purpose of transposition? a) to change the refractive power b) to put the cylinder on the same side as the bifocal seg c) to make the lens look better when beveled d) to make the Rx easier to read e) to change the curves of the lens for an Rx without changing the refractive power e) to change the curves of the lens for an Rx without changing the refractive power Abbe Value is most closely related to: a) curvature of field b) coma c) distortion d) marginal astigmatism e) chromatic aberration e) chromatic aberration As the patient ages what happens to their cornea? a) It becomes thicker. b) It becomes more sensitive. c) It becomes less sensitive. d) It becomes larger. e) It becomes smaller. c) It becomes less sensitive. What is the vertical distance between trough and crest of a light wave called? a) spectrum b) incidence c) wavelength d) amplitude e) index d) amplitude