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Question

A new bifocal where should
A. drop the eyes to see the for the floor.
B. drop the chin to read
C. drop the ice 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
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QuestionAnswer
A new bifocal where should A. drop the eyes to see the for the floor. B. drop the chin to read C. drop the ice to read Drop the eyes to read
What is the MBS possible for a 50 mm round size frame if the lens must be decentered 3 mm 56 millimeters
A frame has the dimensions 49/19 with ED of 52 millimeters. The PPD is 68 millimeters. What is the MBS required 52 millimeters
Round segments should be fitted ____ then FT segs Higher
If a person keeps his head back, his bifocal should be set slightly ______ than normal Lower
Pantoscopic tilt is when The lower part of the eye wire is closer to the face than the upper part
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 64 millimeters
What is the standard intermediate add 50% of the reading add
The lensometer reads -1.00 - 1.00 x 80 in the distance portion. + 1.50 - 1.00 x 180 in the near Portion. What is the add 2.50 diopters
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? OU +1.50-0.25×180
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 1.5 millimeters out, three millimeters up, MBS 60
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 Single Vision intermediate lenses
A lens has a flat top trifocal segment in the lower part and an upside down flat top in the upper half this is a Quadrofocal lens
This trifocal is for a computer programmer CRT trifocal
A flat top 28 bifocal where begins a new RX and chooses a new frame. The audition measures the same height with the new frame on. He reads 20 millimeters. The patient wears a flat top 28 but the safe height is 14 and save line is 5 millimeters below the l 15 millimeters
B measurement is the Largest vertical measurement of the frame
A-frame is marked 52 18. The lens shape is round. What is the ED of a lens 52
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 Double D
7 x 28 means A flat top 28 bifocal
A patient has a round 22 and complains of image jump what would you recommend A flat top 28
In a flat top 28 the optical center of the segment is located 5 millimeters below the line
All of the following bifocals had image jumps except: A flat top 28, B round 22. C executive Executive
Which of the following multifocal lenses Style is not an occupational lens A) CRT 14×35, B) ED 8 x 25, C) ED 13 x 25 ED 8 x 25
The usual depth of the intermediate segment of an executive trifocal is 7 millimeters
What would you recommend to a golf player who wants a pair of glasses to play and to write the scores Round 22
The bifocal line should be Parallel to the lower eyelid margin
Bifocals are used for Presbyopes
Which PD do we use to calculate horizontal decentration for a bifocal Near PD
What is frame difference Difference between horizontal and vertical measurement
OD +2.00-1.00×80 OS Plano -1.00 × 90 ADD 2.50. What is the standard intermediate prescription OD +4.50-1.00× 80. OS +2.50-1.00×90
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 Decrease the vertex distance
If the patient's PD is larger than the fpd comma the PD decentration is Out
If the OC HT is lower then be divided by two comma the vertical decentration is Down
What is it called when the declining of accommodation occurs with age Presbyopia
What is the focusing organ of the eye Crystalline lens
Created by: Tuxgirl
 

 



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