Contact Test 5
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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| What type of instruction do we give our patients? | Verbal instruction, written instruction, and the patient must be able to demonstrate understanding.
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| What must we teach our patients first before teaching insertion? | Clean work area; towel over sink; clean lint free towel to dry hands;
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| What type of soap does the patient need to use? | Use Ivory, Neutrogena, Pure and Natural, Optical Soap.....Soaps with no perfumes, dyes, moisturizers, antibacterials, oils, etc.
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| Patients always start with which eye when inserting CLs? | right
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| How should patient remove the CL from the blister pack? | index finger touches to contact, or dump the CL and solution into hand....do not slide the CL, may tear it
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| How can the patient check to see if the CL is correct or inverted? | Examine edge profile; taco test; manufacturer's engraved name or code
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| When checking a CL using edge profile, how do you know if it's correct? | The edges should curve like a bowl, if it is inverted they will look like a pie plate.
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| Before inserting the CL you should make sure the lens is free of ______, and when inserting the lens should remain.....? | free of debris; remain wet
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| What two methods can be used for insertion of a CL? | one handed or two handed (study steps for both)
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| Can the steps of insertion be modified to fit the needs of the patient? | Yes
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| If teaching insertion takes longer than one hour, what should be done? | Reschedule the appointment
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| How do you recenter a soft CL? | Look opposite direction of where the CL is decentered and with the lid closed massage the lens back down to the cornea. If the lens is dry they can use rewetting drops.
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| When removing CL what should be done first? | Wash hands, start with the right eye, make sure both lenses are in (cover one eye and then the other to check vision); make sure that the lens is moving and not stuck on the cornea
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| What are the three methods for removal of a CL? | Pinch; Roll; Blink (study steps for all)
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| What is different about a GP CL when inserting? | Cannot be put in dry, must be wet with a conditioning or wetting solution; GP must be placed directly on the cornea
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| What should we know about recentering a GP CL? | Never use finger to recenter GP, can cause a tear on the cornea
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| What are the methods for removing a GP CL? | Blink, two handed; scissor; DMV (suction cup)....study steps for all
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| What are adaptive symptoms of wearing CL's? | Symptoms patient experiences when getting used to the lenses; symptoms should disappear when all day wear is achieved.
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| What are some examples of adaptive symptoms? | lacrimation (tearing); mild foreign body sensation; mild photophobia; slight headache; slight itching or redness; hazy foggy vision towards end of day (could be from not blinking)
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| If patient is having abnormal symptoms they should...? | Take the lenses out and call you or ECP.
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| What is RSVP | R - Redness that doesn't clear up; S - Sensitivity to light; V - Visual changes (hazy vision that doesn't clear up) P - Pain that persisits
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| What should the patient do if they fall asleep in their lenses? | use rewetting drops and make sure the contact is moving before taking it out (never use drops that aren't for CL)
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| What should the beginning wear schedule be for a planned replacement or conventional daily wear SCL? | 4 hours the first day; 1-2 added each day until all day (8-14 hrs is achieved)
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| Single use lenses can be worn how long to start with? | All day
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| What is the wear schedule for a new GP patient? | 3 hours the first day, add 1 hour each day
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| When should the follow up appointment be scheduled? | The day of the CL delivery; patient should be wearing CL when they come in for follow-up unless they are having a problem
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| What should the followups be for a SL DW patient? | one week; one month; three months; six months; every 6-12 months
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| When should the followups be for a soft EW/CW patient? | next morning after delivery within two hours of waking; 3 days from delivery in the afternoon; 1 week; 1 month; every three months
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| What is the followup schedule for a Rigid/GP DW? | one week; two weeks; 1 month; 2 months; 3 months; every 6-12 months
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| What is the followup schedule for a GP EW/CW? | First week patient wears as DW, then follow soft EW schedule
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| What are the disinfecting methods used or CL? | Thermal (heat); Chemical; Oxidative; Subsonic (UV)
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| What disinfecting methods are used only for soft CL? | Thermal and Subsonic
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| What oxidative system can be used for both soft and GP CL? | Clear care
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| Thermal disinfecting system included | Daily surfactant cleaner; Rinse w/saline; Disinfect with heat; enzyme used weekly to remove protein; gave patient lubricating drops and good CL case
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| Boston cleaner is always used for | GP lenses
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| The FDA stopped the sale of homemade saline due to...? | contamination
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| When is the lens cleaned with a surfactant cleaner? | immediately after removal from the eye
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| A traditional chemical system included?? | Surfactant cleaner; rinse w/saline; disinfect; enzyme cleaner once a week
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| What is a multipurpose chemical system? | One bottle is used to clean, rinse, and disinfect; not as strong; combine low concentration of cleaner and disinfectant; some also contain protein remover
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| What do we know about private label/generic brand cleaners? | We have no idea what is in them; instruct patient not to switch to private/generic brand, some of older formulas not compatible w/ newer lens materials such as silicone hydrogel
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| What is an oxidative system? | hydrogen peroxide disinfection
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| How long does an oxidative system take? | At lease 6 hours or overnight to disinfect
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| What percent of highly purified hydrogen peroxide is used for oxidative? | 3%
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| What patients is oxidative good for? | Patients with history of GPC or allergies or patients that experience dryness.
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| Oxidative systems must be neutralized using a....? | catalyst
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| What are some examples of catalyst used in oxidative systems? | Clear care - platinum coated disc; ultra care - tablet; used to be a liquid, no longer available
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| A catalyst changes hydrogen peroxide to...? | saline
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| Saline is isotonic which means...? | has the same tonicity as tears (.9% NaCL)
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| When should you change case? | After you get a new bottle of solution or every 3 months
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| Saline is only for...? | rinsing only (unless with heat or UV), never storing. If lenses are stored in neutralized peroxide solution may become contaminated, don not keep for longer than one week without disinfecting again
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| What is the name of the UV system? | Purilens by The Lifestyle Company
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| How long does the UV system take? | 15 minutes
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| The UV system is good for patient with...? | allergies
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| While some solution may say "no-rub", it is recommended to rub the lenses....if the lenses aren't rubbed they must be.... | rinsed for at least 5 second with the MPS.
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| Where is mascara used when wearing CL's? | only on outer half of lashes; and avoid mascara w/ small hairlike fibers
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| When should mascara be discarded? | after 3 months
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| What type of eye shadows should be avoided? | iridescent types, they contain glass or oyster shells
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| Hairspray is applied before or after CLs? | before
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| Cosmetics are applied before or after CL's? | after
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| What is removed first CL's or cosmetics? | Contact lenses
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| Soft contact lenses are only available in..? | 0.25 D steps
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| a soft CL conforms to the eye, and touches in the center and the periphery, this is called the...? | 3 point touch or draping effect
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| Soft CL's are easier to fit, we don't have to consider the...? | tear layer
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| Soft spherical lenses do/or do not correct astigmatism? | DO NOT; must use soft toric lens
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| As soft C/L fitters we have the control of what three factors? | Power, Base Curve, Diameter
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| Which K is looked at when determining BC? | the flat K
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| Steeper K's need a _______ radius? | shorter
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| Flatter K's need a ______ radius? | longer
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| What steps are used when selecting soft CL parameters? | Put Rx in minus cylinder; calculate the spherical equivalent; compensate for VD when 4.00 D or greater.
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| If the cylinder is more than 1.00 D...? | A soft toric lens must be used
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| When verifying a soft CL we trust the manufacturer, however before the patient is called verify that what is on the box.... | is what you ordered!
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| Look over other verification notes |
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