Chapter 4 CL: NCLE EXAM REVIEW (2024/2024) RATED A+

Chapter 4 CL: NCLE EXAM REVIEW (2024/2024) RATED A+ D. all of the above - Answer ️️ -The eyelids play an important role in the fitting and wear of contact lenses for which of the following reasons? A. they effect the wettability of the lens serface B. they effect the positioning of the lens C. they are sensitive and generally cause most of the discomfort when a lens is first placed on the eye. D. all of the above C. Loose lenses - Answer ️️ -Small puncuated stains on the corneal epithelium when seen under an ultraviolet light are most likely caused by: A. foreign bodies B. loose lenses C. tight lenses D. epical clearance lenses D. Too tight a lens - Answer ️️ -After about four hours of wear, your patient complains that his eyes feel "hot". This may be an indication of: A. too small a lens B. too large a lens C. too loose a lens D. too tight a lens B. Rigid PMMA Lenses - Answer ️️ -Three and nine O'clock staining is generally seen with: A. soft lenses B rigid PMMA lenses C. gas permeable lenses D. fluorocarbon lenses B. to reduce the lens diameter ASK - Answer ️️ -A rigid gas permeable contact lens is causing a slight stagnation of tears over the carneal apex. One possible lens modification might be: A. to reduce the base curve radius B. to reduce the lens diameter C. to increase the lens diameter D. to fenestrate the lens ask A. Return the patient to the prescribing practionier - Answer ️️ -When the fitter observes the occurrence of neovascularization, the first course of action chsould be: A. return the patient to the prescribing practitioner B. recommend a different lens material C. increase the lens diameter D. Truncate the lens C. Sclerotic scatter and the unaided eye - Answer ️️ -The slit lamp illumination most commonly used for detecting corneal edem