Quiz 5 Flashcards
Which of the following is not a characteristic of an ideal contact lens care system?
Biocompatibility
Compatible with all contact lenses
Effective against all ocular pathogens contaminating CL
Sterilization of CL’s
Sterilization of CL’s
Which of the following is a hydrogen peroxide based lens care system? Biotrue Boston Advance Clear care Optifree Pure Moist
Clear care
What is the role of an enzymatic cleaner?
Coats the CL surface with a proteinaceous layer
Enzymatic rinsing
Improves lens wettability
Removes a proteinaceous layer from a CL surface
Removes a proteinaceous layer from a CL surface
Which of the following components is added to a CL material to improve oxygen permeability? Fluorine Methyl methacrylate Polyvinyl Alcohol Silicone
Silicone
Which of the following components is added to a GP lens material to improve wettability? Fluorine Methyl methacrylate Polyvinyl Alcohol Silicone
Fluorine
Which of the following is especially critical for MPS products made by B&L?
Andrasko Staining Grid
Note: This system had a short time examination compared to IER matrix, which was testing on months
Appropriate lens care instructions for your pt should not include the following.
Don’t rinse the lens with tap water
Rib the lens before storage
Use non-preserved saline for lens storage
Wash hands before handling lenses
Use non preserved saline for lens storage
Which of the following should be avoided in direct eye contact? Hydrogen peroxide MPS (multi purpose solution) Saline Wetting agent
Hydrogen peroxide
Which of the following is the most appropriate time for CL to be placed in hydrogen peroxide based lens care systems? 30 minutes 1 hour 4 hours 1 day
4 hours
Which of the following sequesters contaminants through formation of micelles? Hydrogen Peroxide Saline Surfactant Wetting agent
Surfactant
Which of the following components main role is the inhibition of microbial growth? Enzymatic cleaner Hydrogen Peroxide Perservative Tap Water
Perservative
