ABO Ncle Actual Exam

ABO Ncle Actual Exam With 680 Answered Questions

the type of bridge on a plastic frame which supports the weight entirely on the pads is the

A.)full saddle B.)semi-saddle C.)sculptured D.)keyhole - ✔️CORRECT ANSWER✅-D

when designing a corrected curve lens, attention must be given to avoid this type of aberration

A.)coma B.)chromatism C.)spherical aberration D.)marginal astigmatism - ✔️CORRECT ANSWER✅-D

multifocal height is usually determined by measuring form the

A.)lowest portion of the lens B.)lowest portion of the eyewire C.)upper edge of the lens D.)upper edge of the eyewire - ✔️CORRECT ANSWER✅-B

when fitting progressive addition lenses certain critical measurements are taken.One of the most important is the

A.)lens size B.)bridge size measurement C.)monocular pupillary measurement D.)temple length measurement - ✔️CORRECT ANSWER✅-C

the essential measurement required to fit progressive addition lenses properly are

A.)binocular PD, binocular segment height, ED B.)binocular PD, monocular segment height, ED C.)monocular PD, monocular segment height, ED D.)monocular PD, binocular segment height , ED - ✔️CORRECT ANSWER✅-C

when measuring the segment height for a progressive addition lens, you should

measure:

A.)vertically down the corridor to the eyewire from the lid margin B.)from the PRP and subtract the length of the particular progressive corridor C.)from the center of the pupil to the lowest portion of the eyewire D.)from the center of the progressive optical center to the center of the full reading segment - ✔️CORRECT ANSWER✅-C

all of the following are methods of determining the monocular segment height for a progressive addition lens except

A.)corneal reflex pupillometer B.)plastic mm ruler C.)marking fitting tape D.)corneal reflection fitting tape method - ✔️CORRECT ANSWER✅-A

in the boxing system of lens measurement, the B represents

A.)the pattern number

B.)lens width C.)lens depth D.)the difference - ✔️CORRECT ANSWER✅-C

which of the following is not related when calculating sagittal depth in an uncut lens

A.)lens tint B.)center thickness C.)lens diameter D.)radius of curvature - ✔️CORRECT ANSWER✅-A

the designation DBL when used in connection with a frame means

A.)the A (or horizontal) measurement of the lenses B.)the B (or vertical) measurement of the lenses C.)the least distance between lenses D.)the distance between the geometric centers of the lenses - ✔️CORRECT

ANSWER✅-C

when using the boxing method to measure a lens, the A dimension refers to