Term
| Removing rivets from a frame with a damaged hinge: After filing off the end of the rivet what tools could be used to push them out of the frame just enough so that the end can be grabbed |
|
Definition
Center punch
Flat punch
Piercing tool
Attached to a staking tool |
|
|
Term
| Once the rivets are slightly pushed through the frame what tool works well to pull the rivets of shield out of the frame |
|
Definition
|
|
Term
| After the new rivets are inserted into the frame the excess must be cut off leaving about |
|
Definition
|
|
Term
| Which tool or tools works well for peening rivets |
|
Definition
|
|
Term
| To repeat a broken hidden hinge in a zyl frame what tool or tools can be used |
|
Definition
| Hot fingers (or soldering iron) |
|
|
Term
| An optyl frame with a broken hidden hinge can be repaired by using hot fingers tool to remove the damaged or loose hinge. To attach the new hidden hinge only a strong adhesive such as ________ can be used |
|
Definition
|
|
Term
| Using the existing screw what two methods can be used to correct a continually loosening eye wire screw |
|
Definition
| Clear nail polish & lock tight |
|
|
Term
| To remove a corroded or stuck screw from a frame one might support the screw tip on an anvil or vise and |
|
Definition
| Using liquid wrench or press down on screwdriver while turning |
|
|
Term
| If a screw is hopelessly stuck it might be necessary to punch it out or |
|
Definition
|
|
Term
| After performing the above screw removal it will be necessary to restore the threads of the hinge. What tool would be used |
|
Definition
|
|
Term
| A screw with a broken off head can often be removed using a __________ or reslotting the screw tip with a ________ file |
|
Definition
|
|
Term
| When the threads of a hinge or eyewire can't be restored one could either use ____________ or ___________ |
|
Definition
Nut & bolt
or
Self tapping screw |
|
|
Term
| When a metal temple with a plastic temple cover needs to be longer and a longer one is not made it is possible lengthen the temple you have by |
|
Definition
| Sliding it down or use temple extenders |
|
|
Term
| To attach silicon cable temples to a metal temple one must determine where to cute the metal temple. After determining where the new cable temple will end up an additional ______ must be added to the metal temple length to allow for the metal temple insertion into the silicon cable end |
|
Definition
|
|
Term
| To eliminate a gap between the lens and a metal eyewire, a strip of lens liner placed at a point _____________ the gap would be your best bet |
|
Definition
|
|
Term
| There are a number of ways to temporarily repair a broken zyl bridge. The best policy is never attempt to combine two different methods on the same frame |
|
Definition
|
|
Term
| Which type of nose pads allow the bridge to be widened or narrowed and the vertex distance increased or decreased just by taking off the nose pads and switching them around |
|
Definition
|
|
Term
| Before measuring for bifocal, multifocal, heights the best policy is to first _____________ when using a metal frame |
|
Definition
|
|
Term
| If a patient needs a 52-30 frame but the closest sample frame is 50-20 frame, the bifocal height is taken using the 50-20 frame is 15mm. If the lenses are to be cut when the 52-20 frame comes in what height should they be |
|
Definition
16mm
go up 1mm per 2mm eye size increase, or down 1mm if smaller |
|
|
Term
| The only sample frames available at the time of taking the patients seg heights are a 52-20 and a 54-18 and the patient actually needs a 54-20 size, which frame would be the most appropriate to use |
|
Definition
|
|
Term
| The actual point of the lens where the prism is equal to that which is called for by the Rx is called the |
|
Definition
|
|
Term
| If the patients mono PD is 32mm and the Rx is a -6.00 sph and the glasses are made with the mono PD at 35mm how much horizontal prism is being induced in that eye |
|
Definition
|
|
Term
| How much horizontal prism is allowed by NJ State tolerances per eye, both eyes |
|
Definition
|
|
Term
| If the patients binocular distance PD is 64 and the frame being used has a FPD of 71 mm what type of face form should be used |
|
Definition
|
|
Term
If the patients PD is 64 and the FPD is 62 what type of face form should be used
& is it cosmetically practical to adjust a frame in that way |
|
Definition
Negative face form (choose new frame)
No |
|
|
Term
| If the pupil center heigh is equal to 1/2 of the B measurement the frame should, by the book, have _______________ angle |
|
Definition
Zero panto
orthoscopic tilt = 0 face form |
|
|
Term
| For every 2 degrees of pantoscopic tilt a frame has how many mm should the OC be moved ____ and in which direction would the OC be moved |
|
Definition
|
|
Term
| In most cases the frame would be adjusted with 8-12 degrees of panto. This improves cosmetics but also _____________ especially with a bifocal of multifocal lens |
|
Definition
|
|
Term
| A ____ mm vertex distance is considered average |
|
Definition
|
|
Term
| To achieve optimum optical performance from a pair of glasses the frame should be fit |
|
Definition
|
|
Term
| The instrument used to measure vertex distance is called a |
|
Definition
|
|
Term
| The correct by the book height for a FT bifocal is |
|
Definition
| At the lower limbus/lower lid |
|
|
Term
| When the dispenser takes the patients FT bifocal height it is imperative that the dispenser be positioned _____________ as the patient |
|
Definition
|
|
Term
| The patient is instructed to look at ____ when FT bifocal heights are being taken |
|
Definition
|
|
Term
| The bifocal height is calculated to the eyewire directly even if an aviator shaped frame is being used |
|
Definition
False
The bifocal height is calculated to the eyewire directly even if an aviator shaped frame is being used |
|
|
Term
| It is not advisable to take seg heights with both the patient and dispenser standing |
|
Definition
True
It is not advisable to take seg heights with both the patient and dispenser standing |
|
|
Term
| By the test book, trifocal heights should be set at the patients |
|
Definition
|
|
Term
| If a patient comments that the bifocal line always gets in their way when they walk, and it is noted that the bifocal heights are are at their lower limbus level, it is best to keep them at this level and tell the patient that this is where they have to be |
|
Definition
False
If a patient comments that the bifocal line always gets in their way when they walk, and it is noted that the bifocal heights are are at their lower limbus level, it is best to keep them at this level and tell the patient that this is where they have to be |
|
|
Term
| When measuring heights for a double d bifocal it is reasonable to allow at least ____ area to view through the upper seg |
|
Definition
|
|
Term
| They typical amount of separation between upper and lower segment in a double d bifocal is |
|
Definition
|
|
Term
| The power of the add in the upper seg of a double d bifocal lens is typically ____ than the power of the lower seg |
|
Definition
Less
Because the upper seg is intermediate power |
|
|
Term
| A tall person who walks very erect would probably be better served by bifocal height set |
|
Definition
|
|
Term
| A little old lady who has stooped over posture would probably be better served with a bifocal height set |
|
Definition
|
|
Term
| Round segs are positioned ____ than a FT seg, because ______________________________ |
|
Definition
1mm
There is less height at the top |
|
|
Term
| A child being treated for a binocular visual problem would unless instructed by the doctor have the bifocal set at what height |
|
Definition
|
|
Term
| If the child above were prescribed a progressive lens, the fitting cross would be set at what height |
|
Definition
|
|
Term
| What are two ways to consistently fix a loose screw |
|
Definition
| Clear nail polish peening |
|
|
Term
| What can you do to remove a screw if the head has been stripped |
|
Definition
| Reslot head using slotting file drilling it out |
|
|
Term
| What are the two most common types of nose pads in terms of how they attach to the guard arm |
|
Definition
|
|
Term
| What would be an example of a hypo allergenic nose pad |
|
Definition
|
|
Term
| If the patient complains of the nose pads causing pain but you see they are contoured perfectly what might you try |
|
Definition
|
|
Term
| What tool would you use to replace a shield |
|
Definition
|
|
Term
| What would be a good method to repair a zyl frame broken in half at the bridge |
|
Definition
| Drill a hole staple epoxy twisted wire |
|
|
Term
| What is the proper practice using lens washer |
|
Definition
|
|
Term
| Bifocals must always fit the lower lid |
|
Definition
False
Bifocals must always fit the lower lid |
|
|
Term
| What are two methods to take a segment height |
|
Definition
| Ruler dot the lines seg measures |
|
|
Term
| How would you fit a round seg compared to a flat top |
|
Definition
|
|
Term
| What patients may you want to be skeptical about fitting progressives to |
|
Definition
|
|
Term
| Soft design progressives have a smoother more gradual progression while hard design lenses have a harsher progression |
|
Definition
True
Soft design progressives have a smoother more gradual progression while hard design lenses have a harsher progression |
|
|
Term
| A patient expresses that they see clearer at distance if they tilt their chin down in their new pair of progressives. What might be the cause of this issue |
|
Definition
|
|
Term
| A patient feels they to turn their head to the side to see clearly in their progressives. What may be the cause |
|
Definition
|
|
Term
| Why is panto so important for progressive wearers specifically |
|
Definition
|
|
Term
| What glasses might be a great idea for a patient who wants to wear them as an everyday pair but needs some extra magnification to see high butterfly collection |
|
Definition
| Clip ons with extra power |
|
|
Term
| A pair of glasses that has a metal bar pressing into the orbit to push the eyelid back are known as |
|
Definition
|
|
Term
| A patient that large sections of vision loss in their field of view may benefit from what glasses |
|
Definition
|
|
Term
| Patients with sjogrens may wear what glasses to help keep their eye moist |
|
Definition
|
|
Term
| A bedridden patient can't sit upright to watch TV. What glasses might be good for them |
|
Definition
|
|
Term
| A patient without a nose due to a pathology would benefit from what frame design |
|
Definition
|
|
Term
| What is the leading cause of blindness |
|
Definition
|
|
Term
| Low vision patients are 20/50 or worse BVA |
|
Definition
True
Low vision patients are 20/50 or worse BVA |
|
|
Term
| What is the goal of giving someone a low vision aid |
|
Definition
|
|
Term
| Lower power aids are easier to get used to |
|
Definition
True
Lower power aids are easier to get used to |
|
|
Term
| What is the dioptric value of a 4x magnifier |
|
Definition
|
|
Term
| What are examples of two NON-optical visual aids |
|
Definition
|
|
Term
| A little old lady who has a stooped over posture would probably be better served with a bifocal height set _________ than normal |
|
Definition
|
|
Term
| For every diopter increase in base curve the vertex distance will increase |
|
Definition
|
|
Term
| PAL - Progressive addition lenses can also be called invisible bifocals |
|
Definition
False
PAL - Progressive addition lenses can also be called invisible bifocals |
|
|
Term
| If a person complained that their bifocal seemed too high, a possible solution might be to ______ vertex distance through nosepad adjustments |
|
Definition
|
|
Term
| A firt time bifocal wearer should be instructed that to see the floor in front of them they should |
|
Definition
|
|
Term
| The textbook formular for MBS = |
|
Definition
|
|
Term
| Hard design PAL's usually have a ________ of stable optics (FOV) in both the distance and the near |
|
Definition
|
|
Term
| Soft design PAL's usually have a _______ intermediate |
|
Definition
|
|
Term
| Soft design PAL's have a _________ distance down to the near viewing area |
|
Definition
|
|
Term
| PAL's are supposed to have a wider field of view in the near than a FT 28 bifocal |
|
Definition
False
PAL's are supposed to have a wider field of view in the near than a FT 28 bifocal |
|
|
Term
| To speed up the adaptation time for a first time PAL wearer it should be emphasized that the glasses should be |
|
Definition
|
|
Term
| First time PAL wearer. If the patient notices some distortion while looking in a peripheral gaze it is OK to tell them |
|
Definition
|
|
Term
| A ___________ held slightly below and pointed at the patients pupil gives the dispenser a precise target from which to measure a progressive height |
|
Definition
|
|
Term
| The only way to verify the add power of a PAL is by looking at the laser markings on the front of the lens |
|
Definition
False
The only way to verify the add power of a PAL is by looking at the laser markings on the front of the lens |
|
|
Term
| To verify the distance RX on a PAL, it is placed in the lensometer and viewed through which area of the lens |
|
Definition
| Distance verification circle |
|
|
Term
| To verify prism in a PAL you would look through which part of the lens |
|
Definition
|
|
Term
| The laser markings depicting the add power of a PAL is always on the __________ side of the lens |
|
Definition
|
|
Term
| Yolked base down prism is used to reduce lens thickness in many PALs. Varilux suggest adding prism power _________ the power of the add |
|
Definition
|
|
Term
| A few major advantages of wearing PAL's instead of FT bifocals or trifocals would be |
|
Definition
Cosmetics
Intermediate power
Smooth progression
&
Adaptation |
|
|
Term
| How many degrees can the cyl be off axis |
|
Definition
|
|
Term
| The refractive power of an add is allowed to be off by ______ of a diopter in power |
|
Definition
|
|
Term
| There is such a thing as a +2.12 add power |
|
Definition
False
There is such a thing as a +2.12 add power |
|
|
