ODP: Contact Lens Final Exam
1. HEMA is:: A material that can soak up water
2. CAB contact lenses were approved in 1978 by :-
: The FDA
3. Who first conceptualized the premise of contact lenses?: DaVinci
4. Which company issues recalls on contact lens products?: FDA
5. The FDA recommends this for a SiHy lens:: Take a brief respite every 7 days
6. Which of the following would be a part of inventory management?: Checking expiration dates of contact lenses
7. What is true about a corneal contact lens?: It sits on the cornea only
8. Which entity works with the FDA, eye care providers, contact lens and product manufacturers, and
academic partners to develop messages about the healthy wear and care of contact lenses?: CDC
9. What mishap led to the invention of the corneal contact lens?: A portion of a haptic lens broke off when the
inventor was working with it
10.When the first experiments for a potential contact lens theory were per- formed with a glass tube, what
were the results?: The tube prevented blinking
11.According to ANSI standards, the tolerance for the overall diameter on a contact lens should be:: +/- 0.05
12.Soft lenses may be less advantageous for this patient:: A patient with keratoconus
13.CAB lenses proved to be impractical for many reasons, one of which is:: They chipped easily
14.What would be the soft lens chosen for this spectacle Rx? +3.25 -0.50 x090: +3.00 DS
15.A patient has a contact lens prescription of the following:
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, ODP: Contact Lens Final Exam
-2.00 -1.00 x 180
-2.00 -1.00 x 180
Which of the following statements is true?: This prescription is for a toric lens
16.A customer brings in a prescription with a private label brand of contact lenses not available in the seller's
dispensary. What should the seller first do?: Contact the prescriber's office to receive a revised prescription with the
trade name of the equivalent brand
17.Which of the following numbers would most likely represent a base curve on a written contact lens
prescription?: 8.4
18.What is a plastic polymer?: A blend of materials created by linking molecules of different chemical substances
19.Which of the following numbers would most likely represent a diameter on a written contact lens
prescription?: 14.0
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, ODP: Contact Lens Final Exam
20.Contact lens junctions are usually:: Blended
21.HEMA is a component of:: Hydrogel lenses
22.What is a governmental agency that approves contact lenses or materi- als?: FDA
23.Hydroxyethyl Methacrylate is commonly called:: HEMA
24.According to the contact lens rule regulated by the FTC, prescriptions must be verified by the prescribing
doctor within .: 8 business hours
25.An outside doctor prescription brought in by customer lists a base curve that is not available in the brand
prescribed. What should the seller do?: Con- tact the prescribing doctor's office to receive an updated prescription
before selling
26.Which patient might be most at risk of ocular infection?: A patient who swims in contact lenses
27.A patient wearing a soft hydrogel lens experiences a feeling of grittiness in the late afternoon. What might
help this patient?: Use rewetting drops throughout the day as prevention
28.During a follow up visit, the contact lens fitter notices that the retinoscopic reflex is not steady after the
patient blinks. What action can be taken to remedy this?: Order the same brand lens in a slightly larger diameter
29.The contact lens fitter has chosen RGP contact lenses for a patient using a PMMA fitting set. After placing
the order with the laboratory, what else should be done?: Disinfect the lens(es) used from the fitting set
30.Your patient complains of wavering vision when first putting on her soft lenses in the morning. The
condition improves later in the day, especially if she has been reading. What is a possible solution?: Order lenses
with less water content
31.Which inventor is associated with hydrogel lenses?: Wichterle
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1. HEMA is:: A material that can soak up water
2. CAB contact lenses were approved in 1978 by :-
: The FDA
3. Who first conceptualized the premise of contact lenses?: DaVinci
4. Which company issues recalls on contact lens products?: FDA
5. The FDA recommends this for a SiHy lens:: Take a brief respite every 7 days
6. Which of the following would be a part of inventory management?: Checking expiration dates of contact lenses
7. What is true about a corneal contact lens?: It sits on the cornea only
8. Which entity works with the FDA, eye care providers, contact lens and product manufacturers, and
academic partners to develop messages about the healthy wear and care of contact lenses?: CDC
9. What mishap led to the invention of the corneal contact lens?: A portion of a haptic lens broke off when the
inventor was working with it
10.When the first experiments for a potential contact lens theory were per- formed with a glass tube, what
were the results?: The tube prevented blinking
11.According to ANSI standards, the tolerance for the overall diameter on a contact lens should be:: +/- 0.05
12.Soft lenses may be less advantageous for this patient:: A patient with keratoconus
13.CAB lenses proved to be impractical for many reasons, one of which is:: They chipped easily
14.What would be the soft lens chosen for this spectacle Rx? +3.25 -0.50 x090: +3.00 DS
15.A patient has a contact lens prescription of the following:
1/
16
, ODP: Contact Lens Final Exam
-2.00 -1.00 x 180
-2.00 -1.00 x 180
Which of the following statements is true?: This prescription is for a toric lens
16.A customer brings in a prescription with a private label brand of contact lenses not available in the seller's
dispensary. What should the seller first do?: Contact the prescriber's office to receive a revised prescription with the
trade name of the equivalent brand
17.Which of the following numbers would most likely represent a base curve on a written contact lens
prescription?: 8.4
18.What is a plastic polymer?: A blend of materials created by linking molecules of different chemical substances
19.Which of the following numbers would most likely represent a diameter on a written contact lens
prescription?: 14.0
2/
16
, ODP: Contact Lens Final Exam
20.Contact lens junctions are usually:: Blended
21.HEMA is a component of:: Hydrogel lenses
22.What is a governmental agency that approves contact lenses or materi- als?: FDA
23.Hydroxyethyl Methacrylate is commonly called:: HEMA
24.According to the contact lens rule regulated by the FTC, prescriptions must be verified by the prescribing
doctor within .: 8 business hours
25.An outside doctor prescription brought in by customer lists a base curve that is not available in the brand
prescribed. What should the seller do?: Con- tact the prescribing doctor's office to receive an updated prescription
before selling
26.Which patient might be most at risk of ocular infection?: A patient who swims in contact lenses
27.A patient wearing a soft hydrogel lens experiences a feeling of grittiness in the late afternoon. What might
help this patient?: Use rewetting drops throughout the day as prevention
28.During a follow up visit, the contact lens fitter notices that the retinoscopic reflex is not steady after the
patient blinks. What action can be taken to remedy this?: Order the same brand lens in a slightly larger diameter
29.The contact lens fitter has chosen RGP contact lenses for a patient using a PMMA fitting set. After placing
the order with the laboratory, what else should be done?: Disinfect the lens(es) used from the fitting set
30.Your patient complains of wavering vision when first putting on her soft lenses in the morning. The
condition improves later in the day, especially if she has been reading. What is a possible solution?: Order lenses
with less water content
31.Which inventor is associated with hydrogel lenses?: Wichterle
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