Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Drop the eyes to read
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| What is the MBS possible for a 50 mm round size frame if the lens must be decentered 3 mm | show 🗑
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| A frame has the dimensions 49/19 with ED of 52 millimeters. The PPD is 68 millimeters. What is the MBS required | show 🗑
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| Round segments should be fitted ____ then FT segs | show 🗑
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| If a person keeps his head back, his bifocal should be set slightly ______ than normal | show 🗑
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| show | The lower part of the eye wire is closer to the face than the upper part
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| A PPD is 63 /57. Fpd is 68. Seg height is 20. ED is 53. The B measurement is 50. What is the MBS for a bifocal | show 🗑
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| show | 50% of the reading add
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| show | 2.50 diopters
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| RX of a patient is OU -0.50 - 0.25 x 180 add + 2.00. The wearer wants a reading glass what power should be ordered? | show 🗑
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| RX OU + 2.00 - 0.50 x 90 add + 2.50 frame measurements are 48 / 20 B 44 Ed 54 PPD 75/ 71 say height 25 what are the horizontal decentration, vertical decentration, and MBS for a flat top 28 | show 🗑
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| A piano player at his optician for a pair of spectacles to see the notes that are in arm length away. What should the optician recommend | show 🗑
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| show | Quadrofocal lens
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| This trifocal is for a computer programmer | show 🗑
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| show | 15 millimeters
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| show | Largest vertical measurement of the frame
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| show | 52
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| A 50 year old Private Pilot with the RX of oh you + 2.00 - 0.50 x 180 add 2.00 wants a pair of spectacles to use when flying in his plane. Which of the following lens designs would you recommend | show 🗑
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| show | A flat top 28 bifocal
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| A patient has a round 22 and complains of image jump what would you recommend | show 🗑
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| In a flat top 28 the optical center of the segment is located | show 🗑
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| All of the following bifocals had image jumps except: A flat top 28, B round 22. C executive | show 🗑
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| show | ED 8 x 25
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| The usual depth of the intermediate segment of an executive trifocal is | show 🗑
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| What would you recommend to a golf player who wants a pair of glasses to play and to write the scores | show 🗑
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| The bifocal line should be | show 🗑
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| show | Presbyopes
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| show | Near PD
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| What is frame difference | show 🗑
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| show | OD +4.50-1.00Ã 80. OS +2.50-1.00Ã90
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| A flat top bifocal where complains of segments being too high. The optician examine the patient. The segment line seems to be on the lower eyelid margin. What can the optician do first to help his customer | show 🗑
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| If the patient's PD is larger than the fpd comma the PD decentration is | show 🗑
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| If the OC HT is lower then be divided by two comma the vertical decentration is | show 🗑
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| What is it called when the declining of accommodation occurs with age | show 🗑
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| What is the focusing organ of the eye | show 🗑
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Created by:
Tuxgirl